Sandvik Intellectual Property AB Patent applications |
Patent application number | Title | Published |
20160129448 | GYRATORY CRUSHER OUTER CRUSHING SHELL AND SEALING RING ASSEMBLY - A gyratory crusher outer crushing shell and a crushing shell assembly. The crushing shell includes a radially inward facing crushing surface and a radially outward facing mount surface provided with radially outward projecting contact regions to contact the topshell or an intermediate spacer ring. A ledge or groove providing an abutment face is positioned at or axially above the upper contact region to positionally support a sealing ring for positioning between the crushing shell and the topshell or intermediate spacer ring. | 05-12-2016 |
20160115750 | DRILL ROD GRIPPING APPARATUS - A drill rod gripping apparatus to grip and impart rotational motion to a drill rod including a sled axially mounted at a frame and having first and second jaws moveably mounted at the sled to allow a substantially linear lateral movement across the sled to and from one another. A plurality of rod engagers are mounted at each jaw with at least one of the engagers including an abrasive surface formed from a coating to increase the frictional force between the drill rod and the gripping apparatus. | 04-28-2016 |
20160114356 | SCREENING MEDIA - A screening media of a vibrating screen screens fractions of stone or gravel. The screening media is formed of ribs extending from one end of the screening media to the opposite end thereof. Pins projecting perpendicularly from the ribs are placed on opposite sides of the ribs. Each pin ends at a distance from an adjacent rib. The dimension and placement of the pins are such that a continuous aperture is formed between two adjacent ribs. Each aperture is formed of a number of rectangular screening areas of identical size. Each screening area is placed perpendicular to each adjacent screening area and end areas of adjacent screening areas coincide. | 04-28-2016 |
20160090791 | PERCUSSIVE ROCK DRILL BIT - A percussive rock drill bit includes a head provided at one end of a rearwardly projecting skirt. The head has an outer collar that defines, in part, a rearwardly projecting recess formed in the forwardmost region of the head. Peripheral gauge buttons are provided at the collar to surround side and front facing buttons formed at the head recess. The drill bit is effective to provide stabilised cutting to minimise lateral deflection. | 03-31-2016 |
20160083822 | AUSTENITIC FE-CR-NI ALLOY FOR HIGH TEMPERATURE - An austenitic alloy for high temperature use, particularly for use in resistance heating elements. The alloy includes primarily the elements Fe, Ni, and Cr, and it has the following main composition, given in weight %, Ni 38-48, Cr 18-24, Si 1.0-1.9, C <0.1, and the balance Fe. The alloy provides good hot form stability, good oxidation resistance, and a relatively high electrical resistance coupled with a low change in resistance as a function of temperature. | 03-24-2016 |
20160067712 | GYRATORY CRUSHER TOPSHELL - A gyratory crusher topshell and topshell assembly including an outer crushing shell and optional intermediate spacer ring. The topshell has a radially inward facing surface that is divided into a plurality of regions including an upper and lower mount region axially separated by an intermediate annular rib. The rib enables the topshell to be compatible with a variety of different sized and shaped concaves optionally using an intermediate spacer ring without the need for a backing compound. | 03-10-2016 |
20160017677 | RELEASE VALVE USED IN AN INNER TUBE ASSEMBLY FOR USE WITH A CORE BARREL - An inner tube assembly releasably latchable with a core barrel of a core drilling apparatus. The inner tube assembly includes a valve housing having a fluid flow port and a position guide to control a position of the valve body within the valve housing to open and close the port in response to a fluid pressure acting on the valve body. | 01-21-2016 |
20150336176 | COATED CUTTING TOOL AND METHOD FOR MANUFACTURING THE SAME - A coated cutting tool includes a substrate with a rake side, a clearance side and a cutting edge, and a coating including a first layer and a second layer. The second layer includes an inner layer and an outer layer, wherein the first layer is exposed through an opening in the inner layer and the opening extends over at least a portion of the width of the cutting edge. Thereby, a double layer is provided in critical areas, whereas a single layer is provided in other areas. Preferably, the double oxide layer includes aluminum oxide layers. A method for manufacturing the coated cutting tool is also provided. | 11-26-2015 |
20150275334 | Aluminium Oxide Forming Nickel Based Alloy - Nickel based alloy intended for use at high temperatures wherein it comprises in percent by weight (wt-%) C 0.05-0.2, Si max 1.5, Mn max 0.5, Cr 15-20, Al 4-6, Fe 15-25, Co max 10, N 0.03-0.15, O max 0.5, one or more elements selected from the group consisting of Ta, Zr, Hf, Ti and Nb 0.25-2.2, one or more elements selected from the group consisting of REM max 0.5, balance Ni, and normally occurring impurities. | 10-01-2015 |
20150231706 | VIBRATION-DAMPED TOOL - A tool for machining work pieces is disclosed. In order to provide a tool which exhibits only very small vibrations during operation, the tool body of the tool has a cavity in which a multiplicity of hollow structural elements having an outer closed shell, within which at least one solid particle or a hollow body is arranged in a freely movable manner, are accommodated. | 08-20-2015 |
20150196922 | CRUSHER FEED HOPPER HATCH - A crusher feed hopper hatch includes a door and a frame. The frame has a suitable hinge and lock mounts into which pivoting bodies are mounted and capable of functioning as either hinge or lock bodies. The door is configurable for alternate attachment to either side of the frame to be either right or left-hand opening. | 07-16-2015 |
20150107232 | HYDRAULIC SYSTEM FOR CONTROLLING A JAW CRUSHER - A hydraulic system for controlling the position of a movable jaw of a jaw crusher includes a hydraulic cylinder having a piston with a piston rod for positioning the movable jaw. The hydraulic cylinder has a bore side space for containing a hydraulic fluid taking up crushing forces exerted by the movable jaw on the piston rod, and an annular side space containing a hydraulic fluid pressing the piston against hydraulic fluid of the bore side space. The hydraulic system further includes an annular side space accumulator having a fluid compartment, which is in fluid contact with the annular side space, and a gas compartment containing a pressurized gas applying a pressure on the hydraulic fluid in the annular side space. | 04-23-2015 |
20150079498 | Strip Product Forming a Surface Coating of Perovskite or Spinel for Electrical Contacts - A strip product consists of a metallic substrate, such as stainless steel, and a coating, which in turn comprises at least one metallic layer and one reactive layer. The coated strip product is produced by providing the different layers, preferably by coating, and thereafter oxidizing the coating to accomplish a conductive surface layer comprising perovskite and/or spinel structure. | 03-19-2015 |
20150060584 | GYRATORY CRUSHER FRAME - A gyratory crusher frame part and a gyratory crusher include a topshell and spider assembly configured to minimize stress concentrations. An annular flange is formed at the junction between a lower region of each spider arm and an upper region of the topshell. Optimization of loading force transfer and a reduction in stress concentration is achieved by positioning the spider arms radially inward relative to an outer circumferential perimeter of the flange. | 03-05-2015 |
20150056402 | WEAR ELEMENT SYSTEM - A wear element system, primarily for rock, stone and gravel handling equipment. includes a plurality of wear elements received in support rails. The support rails being fastened to surfaces of the equipment. Side edges of two adjacent wear elements are received in one of the support rails. The wear elements and support rails are shaped to fasten the wear elements in the support rails by means of wedge elements. The wedge elements are pushed down between the wear elements inside the support rails. | 02-26-2015 |
20150041575 | GYRATORY CRUSHER BEARING - A gyratory crusher bearing includes a bearing surface to support rotational movement of a crushing head, wherein a shape profile of the bearing surface at a cross section of the bearing perpendicular to a longitudinal axis of the bearing is substantially circular. A mounting surface is positioned against a bearing support and is orientated to be outward facing relative to the longitudinal axis. A bearing wall is defined between the mounting surface and the bearing surface, the bearing surface defining a central bore extending between a first edge end and a second edge end of the wall. At least one region of the mounting surface in combination with the bearing surface defines the wall between the first edge end and the second edge end and includes a shape profile at a cross section of the bearing perpendicular to the longitudinal axis that is non-circular to define an anchorage region to inhibit rotation of the bearing about the longitudinal axis relative to the bearing support. | 02-12-2015 |
20150034515 | Underground Mining Tool Packaging with Increased Visibility Feature - Container for tools for excavating and cutting geological formations has a base structure with an interior volume accessible via an opening and a lid connected to the base structure to close the opening. A visibility enhancing feature is incorporated into one or more of the lid and the base structure, the visibility enhancing feature based on luminescence or reflectance. A kit including the container and methods of illuminating a portion of an underground mine and of identifying a tool located in an underground mine are also disclosed. When placed in an underground mine and irradiated or illuminated, visible electromagnetic radiation associated with the visibility enhancing feature can illuminate a structure of the underground mine, illuminate a content of the container and/or be an indicia of the tool stored in the container. | 02-05-2015 |
20150018185 | ROLL FOR HOT ROLLING - A roll for hot-rolling includes a body, wherein at least a part of an envelope surface of the body is made of a high speed steel that with reference to its chemical composition consists of the following elements, in weight %: 1-3 Carbon (C), 3-6 Chromium (Cr), 0-7 Molybdenum (Mo), 0-15 Tungsten (W), 3-14 Vanadium (V), 0-10 Cobalt (Co), 0-3 Niobium (Nb), 0-0.5 Nitrogen (N), 0.2-1 Yttrium (Y), and remainder iron (Fe) and unavoidable impurities. | 01-15-2015 |
20140369846 | EROSION RESISTANT IMPELLER VANE MADE OF METALLIC LAMINATE - An impeller vane includes at least a first metallic core material and at least a first wear resistant material, wherein the hardness of the at least first wear resistant material exceeds the hardness of the at least first metallic core material. The impeller vane consists of a plurality of layers of the at least first metallic core material and the at least first wear resistant material, wherein the layers extend from a leading edge of the impeller vane to the trailing edge of the impeller vane and are arranged alternatingly throughout the cross section of the impeller vane. An impeller includes at least one of the above impeller vanes. The invention also relates to methods for manufacturing an impeller vane and an impeller having such. | 12-18-2014 |
20140356218 | METHOD FOR PRODUCING HIGH SPEED STEEL - A method for producing a high speed steel that with reference to its chemical composition consists of the following elements: 1-3 wt-% carbon (C), 3-6 wt-% chromium (Cr), 0-7 wt-% molybdenum (Mo), 0-15 wt-% tungsten (W), 3-14 wt-% vanadium (V), 0-10 wt-% cobalt (Co), 0-3 wt-% niobium (Nb), 0-0.5 wt-% nitrogen (N), 0.2-1 wt-% yttrium (Y), and remainder iron (Fe) and unavoidable impurities, and wherein Mo+0.5W=2-10 weight %, characterized in that the method comprises the steps of: providing a powder comprising the elements of the high speed steel, forming a body of the powder, and subjecting the body to elevated heat and pressure such that a consolidation of the powder thereof is achieved. | 12-04-2014 |
20140356214 | Method and arrangement for manufacturing a cutting insert - A method for manufacturing a cutting insert having a through-hole that extends in a direction that is non-parallel to the main pressing direction. The method includes the steps of moving first and second punches within a die cavity toward each other along a first pressing axis and compacting a powder around a core rod into a cutting insert green body, wherein, during at least a portion of the compaction step, the core rod is turned a predetermined angle in alternating direction around its longitudinal axis. | 12-04-2014 |
20140345953 | A DRILL BIT FOR A PERCUSSIVE HAMMER AND SHANK THEREFORE - A bit for a percussive hammer includes an elongated shank, a head at a first end of the shank, and an array of lengthwise extending spline portions defining outwardly extending retention lugs at or toward a further end of the shank. At least a side face of at least one lug is blended into the shank of the bit. | 11-27-2014 |
20140339347 | CONE CRUSHER HAVING AN ARRANGEMENT FOR MEASURING A POSITION OF A CRUSHING SHELL - A cone crusher includes an outer crushing shell and an inner crushing shell forming a crushing gap there between. The outer crushing shell is supported on an upper frame member in vertically adjustable engagement with a lower frame member. A sensor arrangement having a sensor element is provided for measuring the vertical position of the outer crushing shell. The cone crusher further includes a target means arranged to be detectable by the sensor element, wherein one of the target means and the sensor element are arranged to follow vertical movement of the upper frame member and to move in relation to the other one of the target means and the sensor element. The sensor element includes a vertical sensing array which extends in a vertical direction along at least a portion of a range within which the target means may be moved upon adjusting the vertical position of the upper frame member. | 11-20-2014 |
20140328715 | TWIP AND NANO-TWINNED AUSTENITIC STAINLESS STEEL AND METHOD OF PRODUCING THE SAME - The invention relates to a method of producing a TWIP and nano twinned austenitic stainless steel. The austenitic steel should not contain more than 0.018 wt % C, 0.25-0.75 wt % Si, 1.5-2 wt % Mn, 17.80-19.60 wt % Cr, 24.00-25.25 wt % Ni, 3.75-4.85 wt % Mo, 1.26-2.78 wt % Cu, 0.04-0.15 wt % N, and the balance of Fe. In order to form nano twins in the material the austenitic stainless steel should be brought to a temperature below 0° C., and imparted a plastic deformation to such a degree that the desired nano twins are formed, e.g. to a plastic deformation of around 30%. The invention also relates to the thus produced austenitic stainless steel. | 11-06-2014 |
20140308083 | COATED CUTTING TOOL AND METHOD OF MANUFACTURING THE SAME - A coated cutting tool includes a substrate and a surface coating, wherein the coating is a Ti(C,N,O) layer comprising at least one columnar fine-grained MTCVD Ti(C,N) layer with an average grain width of 0.05-0.4 μm and an atomic ratio of carbon to the sum of carbon and nitrogen (C/(C+N)) contained in the MTCVD Ti(C,N) layer being on average 0.50-0.65. A method for manufacturing the coated cutting tool includes depositing the MTCVD Ti(C,N) layer. | 10-16-2014 |
20140306041 | METHOD OF CONTROLLING THE OPERATION OF A CONE CRUSHER - A cone crusher includes a crushing chamber formed between inner and outer crushing shells, a drive shaft that gyrates the crushing head to crush material in the crushing chamber, and a feeding hopper for feeding material to the crushing chamber. A measurement device measures an amount of material present in the feeding hopper. A control system controls, based on the measured amount of material present in the feeding hopper, at least one crusher operating parameter which is chosen from i) an rpm of the drive shaft, and ii) a width of a discharge opening formed between the inner crushing shell and the outer crushing shell. | 10-16-2014 |
20140305268 | First coupling part and tool coupling - A first coupling part interacts with a second coupling part of a tool coupling. The first coupling part has a first body and a conical pin, which extends from the first body along a center axis (x) to an end surface. The conical pin is insertable into a conical seat. The conical pin comprises a cavity, which extends from the end surface and comprises a number of first protuberances, which are separated and arranged at a distance from each other along a circumferential direction in respect to the center axis so that there are formed a corresponding number of first recesses. The first protuberances form a respective first contact surface and interact with a corresponding number of separated, second contact surfaces of a pull member of the second coupling part. The first contact surfaces form an acute angle with the center axis. | 10-16-2014 |
20140299388 | DRILL BIT FOR ROCK DRILLING TOOL, AND ROCK DRILLING TOOL - A drill bit for rock drilling tools includes a drill bit head having a front surface including a face surface defining a forward-most end of the drill bit head. The face surface has an outer edge, a gauge surrounding the face surface, the gauge having an inner edge, and a transition region that extends in a direction of a longitudinal axis of the drill bit between the outer edge of the face surface and the inner edge of the gauge. An entirety of the face surface from which the cutting surfaces extend is non-flat so that a center of the face surface is axially forward of the outer edge of the face surface. The gauge includes a first gauge surface defining a first angle with the longitudinal axis over a first portion of a circumference of the gauge and a second gauge surface defining a second angle with the longitudinal axis over a second portion of the circumference of the gauge. | 10-09-2014 |
20140286718 | Double-sided, indexable turning insert - A double-sided, indexable, polygonal turning insert includes a plurality of corners, a peripheral clearance surface, and identical upper and under sides. Along the upper side and underside, primary cutting edges, which individually include a nose edge situated in a corner and two main edges, converge toward the same and transform into auxiliary cutting edges, which separate each pair of primary cutting edges along one and the same side. Chip-directing guide surfaces are placed inside the chip surfaces of the cutting edges. The primary cutting edge has a generally positive cutting geometry such that a wedge angle of the cutting edge between the chip surface and the clearance surface is acute in arbitrary sections along the nose edge, as well as along the two main edges. In such a way, the primary cutting edge produces chips that can be guided in a careful, although distinct, way by the guide surfaces. | 09-25-2014 |
20140286717 | Polygonal turning insert - The present disclosure relates to a polygonal turning insert having primary cutting edges, which individually include a nose edge and two main edges, which converge toward the same. Behind the nose edge, chip-directing guide surfaces are formed, on one hand, with a breast surface included in a knob situated behind the nose edge along a bisector between the main edges, and, on the other hand, with a pair of flank surfaces included in a land there behind. At a distance behind the knob, there is formed a second breast surface, the upper part of which is situated on a higher level than the upper part of the first breast surface. In such a way, it is guaranteed that thin chips, which tend to pass or jump over the first breast surface without being affected by the same, will impinge on the second, higher breast surface and be subjected to guiding by the same. | 09-25-2014 |
20140284410 | Gyratory Crusher Outer Crushing Shell - A gyratory crusher outer crushing shell. The outer crushing shell comprises an upper contact surface region that is divided into a plurality of elongate circumferentially extending shoulders. The shoulders are separated by recessed gap regions adapted to accommodate a suitable backing material to structurally reinforce the shell. A channel extends circumferentially around the shell in the outward facing surface to axially separate the upper contact surface region from a lower contact surface region. The channel is also adapted to accommodate the backing material. | 09-25-2014 |
20140271321 | METHOD OF MAKING A CEMENTED CARBIDE OR CERMET BODY - The present invention relates to a method of making a cemented carbide or a cermet body comprising the steps of first forming a powder blend comprising powders forming hard constituents and metal binder. The powder blend is then subjected to a mixing operation using a non-contact mixer wherein acoustic waves achieving resonance conditions to form a mixed powder blend and then subjecting said mixed powder blend to a pressing and sintering operation. The method makes it possible to maintain the grain size, the grain size distribution and the morphology of the WC grains. | 09-18-2014 |
20140271008 | METHOD OF JOINING SINTERED PARTS OF DIFFERENT SIZES AND SHAPES - A method of joining a plurality of parts to form a unitary body includes providing at least two sintered parts. Each of the parts is formed of a hard metal composition of material. The sintered parts are assembled into the shape of a unitary body. Each of the sintered parts has a joining surface and when each joining surface is brought into contact the surfaces form a bonding interface therebetween. The assembled sintered parts are subjected to a temperature sufficient to fuse the sintered parts together at the bonding interface to form the unitary body. A wear resistant tool includes a plurality of sintered parts, each of the sintered parts is formed of a hard metal composition of material, wherein the plurality of sintered parts can be assembled into a unitary body, wherein the assembled parts are fused together at a respective bonding interface to form the unitary body. | 09-18-2014 |
20140271003 | METHOD OF JOINING SINTERED PARTS OF DIFFERENT SIZES AND SHAPES - A method of joining a plurality of parts to form a unitary body. At least two sintered parts are provided. At least one of the sintered parts has at least one internal channel. Each of the parts is formed of a hard metal composition of material. The at least two sintered parts are assembled into the shape of a unitary body. Each of the at least two sintered parts has a joining surface and when each joining surface is brought into contact the surfaces form a bonding interface therebetween. The assembled parts are subjected to a vacuum or gas atmosphere, without the application of external pressure, and to a temperature sufficient to fuse the at least two sintered parts together at the bonding interface to form the unitary body. | 09-18-2014 |
20140260808 | METHOD OF JOINING SINTERED PARTS OF DIFFERENT SIZES AND SHAPES - A method of joining a plurality of parts to form a unitary body. At least two sintered parts are provided. At least one of the sintered parts has at least one internal cavity. Each of the parts is formed of a hard metal composition of material. The at least two sintered parts are assembled into the shape of a unitary body. Each of the at least two sintered parts has a joining surface and when each joining surface is brought into contact the surfaces form a bonding interface therebetween. The assembled parts are subjected to a vacuum or gas atmosphere, without the application of external pressure, and to a temperature sufficient to fuse the at least two sintered parts together at the bonding interface to form the unitary body. | 09-18-2014 |
20140252151 | GYRATORY CRUSHER OUTER CRUSHING SHELL - A gyratory crusher outer crushing shell has three regions along its axial length including: an inlet region that tapers radially inward from an uppermost first end; a crushing region that extends radially inward from a second lowermost end; and a radially innermost shoulder region that is positioned axially between the inlet and crushing regions. An angle of inclination of a radially inward facing surface at the inlet and shoulder regions and the axial length of the crushing surface are designed to optimise crushing capacity in addition maximising reduction. | 09-11-2014 |
20140252144 | WEAR TIP HOLDER FOR A VSI CRUSHER, A KIT COMPRISING A WEAR TIP HOLDER, AND A METHOD OF REDUCING THE WEAR RATE OF A WEAR TIP HOLDER - A wear tip holder for holding a wear tip adjacent to an outflow opening of a vertical rotor wall of a rotor of a VSI crusher includes a mounting plate for mounting the wear tip holder to the rotor wall. The mounting plate has a mounting face for facing the rotor wall to which it is to be mounted and a wear face for facing the interior of the rotor. The wear face is provided with at least one material retention hole for retaining, at the wear face, at least one of a wear-resistant insert and material to be crushed. | 09-11-2014 |
20140239101 | JAW CRUSHER - A jaw crusher includes s a toggle beam having a piston rod arrangement seat, a toggle plate, a first toggle plate seat arranged between the toggle plate and a movable jaw, a second toggle plate seat arranged between the toggle plate and the toggle beam, and a positioning device having a movable piston rod arrangement received by the piston rod arrangement seat of the toggle beam. The jaw crusher further has a toggle plate squeezing device including a contraction member. The squeezing device has a first mounting member connected to the movable jaw, and a second mounting member connected to the piston rod arrangement, to exert a pressing force on the first toggle plate seat, the second toggle plate seat and the piston rod arrangement seat. | 08-28-2014 |
20140219733 | DEVICE FOR CHIP REMOVING MACHINING - A device for the chip removing machining of a work piece includes a body connectable to a holder or rotatable spindle. The body has at least one first seat to receive a cutting insert having a main cutting edge. The first seat has an active part including at least one first seat surface. The body receives the cutting insert in the first seat, the first seat including at least one location surface. The at least one location surface forms an angle with the first seat surface and positions the cutting insert axially and radially in the active part. The body has a second seat to receive a shim member such that the cutting insert adjoins the at least one first seat surface and the shim member. The cutting insert covers an area defined by the shim member and the at least one first seat surface. | 08-07-2014 |
20140217210 | WEAR TIP HOLDER FOR VSI CRUSHER, AND METHOD OF REDUCING WEAR OF VSI CRUSHER ROTOR - A wear tip holder for holding a wear tip adjacent to an outflow opening of a vertical rotor wall of a rotor of a VSI crusher includes a mounting plate for mounting the wear tip holder to the rotor wall. The mounting plate has a mounting face for facing a segment of the rotor wall to which it is to be mounted and a wear face, opposite the mounting face, for facing the interior of the rotor. A side wall extends between the mounting face and the wear face. The side wall includes a material retention surface facing, when in use, the rotor wall segment, thereby allowing material to be trapped under the material retention face. | 08-07-2014 |
20140217207 | WEAR TIP HOLDER FOR VSI CRUSHER, AND METHOD OF REDUCING WEAR OF VSI CRUSHER ROTOR - A wear tip holder for holding a wear tip adjacent to an outflow opening of a vertical rotor wall of a rotor of a VSI crusher includes a mounting plate for mounting the wear tip holder to the rotor wall. The mounting plate has a mounting face for facing the rotor wall to which it is to be mounted, and opposite the mounting face, a wear face for facing the interior of the rotor. A wear body is connected to the mounting plate and is provided with an elongate wear tip recess for holding the wear tip. At least one material retention groove extends along the wear tip recess at a position upstream, as seen in a direction of an intended flow of material to be crushed, of the wear tip recess. The material retention groove has an upstream groove wall and a downstream groove wall, the downstream groove wall forming an acute angle with the wear face for retaining material to be crushed. | 08-07-2014 |
20140208564 | SET OF JAW CRUSHER SHIMS - A set of jaw crusher shims for positioning a movable jaw of a jaw crusher, the shims having at least a first and a second shim. Each of the first and second shims including loosening means arranged to aid with loosening of the shims from each other. The first shim includes a first loosening means and the second shim include a second loosening means. The first and second loosening means are located at different locations along respective front edges of the first and second shims. | 07-31-2014 |
20140205387 | MILLING TOOL FOR CHIP REMOVING MACHINING - A milling tool is equipped with milling inserts, below which there are disposed shim plates, the primary function of which is to protect the basic body of the tool in the event of insert breakdowns. The shim plate is formed with a protuberance, in which an auxiliary cutting edge is included, which, in the assembled state of the tool, is located along an inactive cutting edge, which is situated radially inside an active chip removing cutting edge. By means of the auxiliary cutting edge, the milling tool can be utilized for ramping operations without risk of the inactive cutting edge of the milling insert being damaged. | 07-24-2014 |
20140175199 | CONE CRUSHER AND METHOD OF PREPARING CONE CRUSHER FOR OPERATION - A cone crusher has an outer crushing shell and an inner crushing shell with a crushing gap formed therebetween. The outer crushing shell is supported on an upper frame member in threaded engagement with a lower frame member. The threaded engagement is configured for adjusting the vertical position of the outer crushing shell relative to the lower frame member so as to permit adjustment of the width of the crushing gap. The upper frame member is provided with a circumferential gear ring for turning the upper frame member in the threaded engagement. The gear ring is connected to the upper frame member in a rotationally locked and vertically slidable manner. The cone crusher includes a clamping arrangement for vertically clamping the gear ring between an upper clamping member and a lower clamping member. | 06-26-2014 |
20140169900 | Vibration damper for hole machining apparatus - A vibration damper for a drill tube of a hole machining apparatus includes a closed loop bi-directional adjustment mechanism, which operates from a single side of the damper. The closed loop mechanism ensures that the position of the clamping sleeve has a one-to-one relationship with the adjustment mechanism, which enables controlled adjustment of the clamping force to be performed. Locating the adjustment mechanism at one side of the clamping sleeve facilitates re-tooling, e.g. replacing the clamping sleeve if a larger diameter drill tube is to be used. | 06-19-2014 |
20140169898 | TWIST DRILL AND METHOD OF DRILLING COMPOSITE MATERIALS, USE AND METHOD REGRINDING AND MANUFACTURING THEREOF - A twist drill for drilling composite materials includes a shank; a drill body; a drill tip having a cutting edge, a chisel edge, and a secondary chisel edge, wherein the secondary chisel angle of the drill tip is 145° to 165 and the point angle is 70° to 100°; and a flute extending from the drill tip to the drill body. The flute has a constant helix, and the helix angle of the flute being selected from the range 45° to 55°. A method of drilling a composite material comprising fibres uses the twist drill of the present embodiment. Suitably, the composite material is carbon fibre reinforced plastic or glass fibre reinforced plastic, and optionally being a laminate material such that the method comprises stack drilling. Embodiments achieve a combination of good hole quality, good tool life and good hole size spread. | 06-19-2014 |
20140166791 | A METHOD AND A DEVICE FOR SENSING THE PROPERTIES OF A MATERIAL TO BE CRUSHED - A method of crushing material between a first crushing surface and a second crushing surface of a crusher, including the steps of measuring a crushing parameter, and analyzing, based on the measured crushing parameter, which type of material that is being crushed in the crusher. | 06-19-2014 |
20140144758 | CONVEYOR - A conveyor, comprising; two opposite rolls ( | 05-29-2014 |
20140140781 | Aarrangement for controlling the process of rotary chip removing machining of a workpiece, and a cutting tool for rotary chip removing machining - An arrangement for controlling the process of rotary chip removing machining of a work piece includes a monitoring system for monitoring the rotary chip removing machining. The monitoring system has at least one surface acoustic wave sensor and at least one first antenna mounted to a cutting tool. At least one second antenna is arranged for wireless communication with the second antenna. Each sensor detects at least one parameter of a group of parameters consisting of strain, temperature and pressure. The sensor and the first antenna transmit the detected at least one parameter to the second antenna in response to an interrogation signal received by the first antenna. A processing unit is connected to the second antenna and transmits the interrogation signal and transmission energy to the first antenna and to the sensor via the second antenna. A control system communicates with the monitoring system to control the machining of the work piece at least partially based on the detected parameter. A cutting tool is provided with the at least one sensor and the at least one first antenna. | 05-22-2014 |
20140126969 | Cutting tool as well as a holder blade therefor - A cutting tool for tube cutting machines includes a tool holder and a dismountable holder blade having replaceable cutting inserts. The tool holder includes a basic body, as well as a support body for the holder blade. There is arranged between the basic body and the support body a set-up body, by means of which the support body, and thereby the holder blade, can be set and fixed in the exact, desired spatial positions in the machine without time-consuming measuring and fine adjustment operations. In addition, the holder blade is fixed in the support body by means of a single simple screw, which allows a flexible mounting and dismounting of the same. | 05-08-2014 |
20140117740 | Cutting tip and cutting bit having increased strength and penetration capability - A profile of a cutting tip includes a convex portion extending from a cutting end to an inflection point located at an axial and radial distance from the cutting end. A concave portion extends from the inflection point to a point at a greater radial and axial distance from the cutting end. The profiles of the generally concave portion and the generally convex portion have a first linear portion defined by a portion of a first line extending from a first point at a first radial position to a second point at a second radial position and axially spaced from the first point. A second linear portion is defined by a portion of a second line extending from a third point to a fourth point at the second radial position and at an axial distance from the second point corresponding to about half a length of the first line. | 05-01-2014 |
20140117127 | TRAMP MATERIAL INDICATION - A method for detecting tramp material in an inertia cone crusher having an outer crushing shell and an inner crushing shell is provided. The inner crushing shell is supported on a crushing head. The crushing head is rotatably connected to an unbalance bushing. The unbalance bushing has an unbalance weight for tilting the unbalance bushing when it is rotated, such that the crushing head will gyrate about a gyration axis, the inner crushing shell thereby approaching the outer crushing shell for crushing material in the crushing chamber formed therebetween. The method includes the steps of measuring at least one of a position and a motion of the crushing head; obtaining, based on the measurement, a gyration value; comparing the gyration value with a gyration reference value; and determining, based on the comparison, whether to issue a tramp material warning signal indicating the presence of tramp material in the crusher. | 05-01-2014 |
20140116926 | METHOD FOR HANDLING HARD METAL - A method for sorting hard metal including the steps of subjecting one or more bodies of hard metal to a heat treatment at a temperature of 500° C. or higher in an atmosphere including at least one reactive gas component prone to form a reaction product with an element that may or may not be present in the one or more bodies. A sorting operation of the one or more bodies is performed based on a presence or absence of the reaction product in a surface portion of the heat treated one or more bodies. | 05-01-2014 |
20140110514 | CRUSHER, CRUSHING SHELL, AND METHOD OF ATTACHING CRUSHING SHELL - A cone crusher includes an inner crushing shell supported on a crushing head and clamped thereon by a retaining arrangement, the crushing head being arranged for rotating about a crushing head axis. The retaining arrangement includes a first portion of a threaded joint for self-tightening the retaining arrangement. The first portion is concentric with the crushing head axis and rigidly joined with the crushing head. A first portion of a form-fitting engagement arrangement is rigidly joined with the inner crushing shell. A crushing shell tightener is provided with a second portion of the threaded joint and a second portion of the form-fitting engagement arrangement. The form-fitting engagement arrangement rotationally locks the crushing shell tightener to the inner crushing shell. | 04-24-2014 |
20140103156 | DISTRIBUTOR PLATE LOCKING MECHANISM FOR A VERTICAL SHAFT IMPACT CRUSHER - A replaceable distributor plate, adapted for protecting a lower horizontal disc of a rotor of a vertical shaft impact crusher, includes a first portion of a bayonet joint, the first portion being adapted for cooperating with a second portion of the bayonet joint, the second portion being associated with the lower horizontal disc. | 04-17-2014 |
20140103154 | FRAME FOR A GYRATORY CRUSHER - A gyratory crusher includes a frame and a crushing head which is arranged rotatably about a substantially vertical shaft. The frame has an upper frame portion and a lower frame portion. The lower frame portion includes a hub. The hub has a centralized arranged through hole with a center axis extending through the hole and the hub. The hole is arranged to cooperate with the shaft being rotatably arranged in the hole. The hub is connected by arms to the lower frame portion and includes a drive ring pocket. | 04-17-2014 |
20140103150 | METHOD FOR EMPTYING AN INERTIA CONE CRUSHER - A method for at least partly emptying a crushing chamber formed between an inner crushing shell and an outer crushing shell of an inertia cone crusher is provided. The inner crushing shell is supported on a crushing head. A central axis of the crushing head gyrates about a gyration axis with an rpm, for crushing material in the crushing chamber. The method includes the steps of interrupting the feeding of material to the crusher; measuring, directly or indirectly, at least one of a position and a motion of the crushing head during an amplitude control period; comparing the measured position and/or motion with at least one set point value; determining, based on the comparison, the measured position and/or motion to at least one set point value, whether the rpm should be adjusted; and adjusting the rpm when necessary. | 04-17-2014 |
20140097282 | GYRATORY CRUSHER WITH PISTON - A cylindrical, hollow piston for a gyratory crusher includes a piston wall, a piston top and a piston bottom. The piston wall includes at least one opening leading into an inner chamber of the hollow piston. The piston wall has an outer sliding surface and an inner chamber surface. | 04-10-2014 |
20140072377 | Milling tool as well as a milling insert therefor - A milling tool has single sided and indexable milling inserts having a round basic shape. Each milling insert has a plurality of tangentially spaced-apart and alternately usable cutting edges, which individually fall archedly from a first end, situated closest to an upper reference plane, to a lowest point, from which it again rises toward a second end. A reinforcing chamfer surface included in the cutting edge is formed with an increasing width in a direction from the first end of the cutting edge toward the second end. | 03-13-2014 |
20140072376 | Milling tool - The invention relates to a milling tool for gear milling. The tool body is equipped with tangentially mounted milling inserts having four cutting edges and two holes, only one of which is utilized for a fixing screw in two of totally four index positions. By locating a screw hole in the seat of the milling insert at a distance from the radial support surface of the seat that is greater than the distance between an individual hole and a distal end of the milling insert, a clamping force is provided by means of the inherent elasticity of the fixing screw. In such a way, the milling insert is pressed against the radial support surface. By means of a transversal eccentricity, the milling insert is also pressed against a tangential support surface in the seat. By means of this construction, the two holes in differently long milling inserts can be formed with equally large distances from distal ends. Thereby, one and the same tool body can be equipped with differently long milling inserts. | 03-13-2014 |
20140064862 | Holder assembly for a cutting tool insert and a cutting tool - A holder assembly for a cutting tool insert for machining operations. The holder assembly has first and second spaced apart clamping members, each having respective inner seating surfaces facing one another and defining an intermediate gap to receive the cutting tool. The clamping members are movable towards each other by a clamping mechanism to clamp and secure the cutting tool insert between the seating surfaces. The clamping mechanism includes a drawbar that is received in a cavity formed in each of the clamping members and are aligned with each other and extends in a transverse direction in relation to the intermediate gap. The clamping mechanism also includes a compression spring member, which presses the clamping members towards each other to secure clamping of the cutting tool insert. The clamping mechanism is released by a releasing member that overcomes the spring force acting to move the clamping members towards each other. | 03-06-2014 |
20140056661 | Support pad for a drill head and method for designing and manufacturing a support pad - A deep hole drill head support pad whose edge chamfers are formed in a continuous grinding operation so that there are no discontinuities in the angled side surface leading up to the outer surface thereof. A method of manufacturing the support pad includes generating a virtual guide metric including a curved travel path for a grinding surface around a support pad blank, and a plurality of control surfaces intersecting with the curved path at separate locations along its length, each control surface defining an angle of orientation of the grinding surface. A CNC grinding machine can interpret the virtual guide metric to change the angle of orientation of a grinding surface relative to a support pad blank as it moves between adjacent control surfaces in a continuous manner. | 02-27-2014 |
20140056657 | Face hobbing cutter system and indexable milling inserts for use in the same - A face hobbing cutter system for face hobbing spiral bevel gears. The system includes at least one set of detachable cartridge assemblies having a plurality of respective cartridge assemblies. Each cartridge assembly includes a plurality of cartridges and indexable milling inserts. A part of the inserts of each set of cartridge assemblies are rhombic, tangential-mounted inserts for milling flanks of spiral bevel gear teeth, while the other inserts are grooving inserts, which are arranged transversely to the tangential-mounted inserts, for milling roots of spiral bevel gear teeth. The tangential-mounted inserts of each set of cartridge assemblies are provided in pairs, one being provided with its front facing the central axis, and the other being provided with its front facing away the central axis, to respectively mill concave curved flanks and convex curved flanks of the spiral bevel gear teeth. | 02-27-2014 |
20140030038 | HOLE-MAKING TOOL - A hole-making tool includes a body having a seat, which is delimited by a tangential support surface, an axial support surface, and a radial support surface. A cutting insert is fixed in the seat. A pair of female- and male-like securing means is arranged in the interface between the tangential support surface of the seat and the underside of the cutting insert. The female-like securing means includes a guide surface. The male-like securing means is spaced from the guide surface to form a gap between the securing means when the cutting insert is pressed against the axial and radial support surfaces. If the feeding direction of the tool is reversed, the cutting insert may become detached from the seat and the securing means is activated to direct the cutting insert inward toward the radial support surface to prevent the peripheral portion of the cutting insert from scratching the generated hole. | 01-30-2014 |
20140030034 | MILLING TOOL AS WELL AS A MILLING INSERT - A double-sided, indexable milling insert has a round basic shape defined by an imaginary cylinder, which is concentric with a center axis and extends between two reference planes that extend perpendicular to the center axis and are equidistantly separated from a neutral plane. The milling insert includes a pair of opposite chip faces located in the reference planes between which an envelope surface concentric with the center axis extends, a plurality of identical and alternately usable cutting edges along the peripheries of the chip faces, and lock means for rotationally securing the milling insert in one of several predetermined index positions. The individual cutting edge has the shape of a wave trough and includes two edge segments that meet at a bottom point. | 01-30-2014 |
20140008475 | CONE CRUSHER, BEARING PLATE, AND KIT OF BEARING PLATES - A gyratory cone crusher includes a first and a second crushing shell defining a crushing gap. The first crushing shell is arranged to gyrate around a vertical axis, in order to crush material entering the crushing gap, and is vertically supported by a thrust bearing including first and second bearing plates defining a spherical sliding interface. One of the bearing plates has one or more cooling and/or lubricating grooves at the sliding interface, each groove defining a channel, extending from the center of the sliding interface to the periphery thereof. In order to obtain a uniform distribution of grooves, the cooling/ | 01-09-2014 |
20140008273 | SUPPORT STRUCTURE HAVING FIXATION MEANS FOR SCREENING MEDIA - A support structure for supporting screening media in a vibrating screen. The support structure is received on longitudinal beams of the vibrating screen. The support structure is formed of fixation strips having fixation parts, on which fixation parts carriers are received. The fixation strips and carriers are placed perpendicular to each other. | 01-09-2014 |
20130322974 | Tooth Milling Cutter and Method for Milling the Teeth of Toothed Gear Elements - Method for milling a series of teeth of a toothed gear element with teeth in a straight line with a milling cutter rotatable about a milling cutter axis and having at its periphery interchangeable cutting inserts arranged such that, when the milling cutter is brought to the toothed gear element, they reach into gaps between adjacent teeth or generate these gaps, and a corresponding milling cutter. Cutting edges of mounted cutting inserts extend radially and perpendicularly relative to the milling cutter axis. During milling of the tooth profile, the milling cutter axis is aligned in a plane perpendicular to the longitudinal extent of the tooth back and, during entering of the cutting inserts, rotated about the milling cutter axis, into the surface or gaps between the teeth, and pivoted in this plane over an angular range covering all normals to the profile surface of the tooth to be produced. | 12-05-2013 |
20130303356 | METHOD FOR PRODUCING A SINTERED COMPOSITE BODY - The present invention relates to a method of producing a sintered composite body comprising cubic boron nitride particles dispersed in a cemented carbide matrix by sintering a mixture comprising cubic boron nitride particles and a cemented carbide powder at a sintering temperature below 1350° C. without applying a pressure. | 11-14-2013 |
20130302102 | Bore Cutting Tool and Method of Making the Same - A bore cutting tool, particularly for cutting metal workpieces, includes a tool substrate and a tool coating on a surface of the tool substrate. The bore cutting tool comprises a plurality of pits in the surface of the tool substrate and wherein the tool coating extends over the pits such that the pit surface comprises the tool coating. In this way, the pit dimensions can be retained over prolonged tool life and the pits, with their coated surface, are particularly effective at retaining lubricant so that the thickness of a lubricant film can be increased as compared to a tool without the coated pits. In embodiments the pits are formed by laser etching and are present only on the cylindrical land. Average pit depth is suitably in the range 8 μm to 25 μm, average pit width and pit length is independently selected from 40 μm to 250 μm and average pit density is 20 to 30 pits/mm | 11-14-2013 |
20130302098 | Milling Tool - A milling tool for hobbing a workpiece. The milling tool includes a cylindrical tool body having a rotation axis and a plurality of disc-shaped segments. Each of the segments including a hub part and a peripheral cam having a plurality of tangentially spaced-apart milling inserts. Each segment has a through hole situated on the rotation axis. Each of the holes is directed in relation to each other such that a central duct is formed in the cylindrical tool body. Bordering segments are detachably torsionally rigidly interconnected The milling tool also includes a first end piece, which on one side is detachably and torsionally rigidly interconnected with a first one of the segments and which on the other side has coupling members for torsionally rigid coupling to a source of torque, such that all torque from the source is supplied to the cylindrical tool body via the first end piece. | 11-14-2013 |
20130298474 | CUTTING TOOL MADE OF SIALON BASED MATERIAL - The present invention relates to a ceramic material for cutting tool inserts, wherein the ceramic material is based on sialon comprising β-sialon (Si | 11-14-2013 |
20130294851 | Milling tool as well as set of milling inserts of a milling tool - A milling tool for slot milling includes a tool body and a plurality of separated first seats, which form root insert seats for root inserts arranged one after the other along a first line and a plurality of separated flank insert seats that includes a plurality of second seats for flank inserts . The plurality of second seats is arranged one after the other along a second line on a primary side of the root insert seats. A plurality of third seats for flank inserts is arranged one after the other along a third line on a secondary side of the root insert seats. Each flank insert seat includes a bottom surface, an inner side surface, and an outer side surface. Each flank insert includes an under side, an opposite upper side, and a circumferential edge side that forms a rake face connecting the upper side and the underside. | 11-07-2013 |
20130292282 | Package - A package has two panels, one of which is a base part having at least one bubble that is intended for storage purposes. The bubble projects from an underside of the panel of the base part and opens into an opening in the upper side thereof. The other panel is a cover that is connected with the base part via a hinge in order to be rotatable between a raised position, in which the interior of the bubble is accessible, and a lowered position in which the panel of the cover covers the opening of the bubble. The panels of the base part and cover are each formed with two seats that in the lowered position of the cover are laterally and equidistantly separated from the bubble. The package allows exposure of information of one or two storage objects, while being stacked together with other packages in a compact pile. | 11-07-2013 |
20130283987 | Cutting Unit - A cutting unit includes a stationary frame, a cutting drum, and an anvil drum. The cutting drum and the anvil drum are arranged one over the other for cutting web material fed therebetween. The upper drum is centred on a rotatable arbour and rotatably supported in the stationary frame. The lower drum is rotatable and movable towards and away from the upper drum. A rotatable carrier, movable towards and away from the upper drum, includes at least two contact rollers. The lower drum is shaftless and rests on the contact rollers. At least one contact roller is situated on either side of a central vertical plane of the lower drum for providing support of the lower drum by the contact rollers only. A pressing device moves the carrier and the lower drum towards and against the upper drum for providing cutting pressure between the upper drum and the lower drum. | 10-31-2013 |
20130279996 | Indexable cutting insert and a tool for chip removing machining, as well as a basic body for the tool - An indexable cutting insert for chip removing machining includes a plurality of cutting tips that protrude from a central core. Each of the individual tips include a cutting edge, which is formed in a transition between an upper side serving as chip surface and a clearance surface, which extends between the upper side and an under side. The cutting insert has six equally long cutting tips that are located in pairs along the co-ordinate axes of a three-dimensional, orthogonal system of co-ordinates, the origin of which is situated in the core. By arranging the cutting tips in this way, the inactive cutting tips, which are situated behind an active cutting tip, can be contained within a limited volume and therefore be installed in tool basic bodies having tapering parts. A tool equipped with the cutting insert according to the invention, as well as, a tool basic body is disclosed. | 10-24-2013 |
20130247641 | CEMENTED CARBIDE PUNCH - The present invention relates to a punch for manufacturing of metal beverage cans of a cemented carbide comprising a hard phase comprising WC and a binder phase the cemented carbide composition comprises, in wt-%, from 50 to less than 70WC, from 15 to 30TiC, and from 12 to 20Co+Ni. | 09-26-2013 |
20130224058 | METHOD FOR MANUFACTURING A COMPONENT WITH INTERNAL CAVITIES - A method for manufacturing a component having at least one internal cavity includes the step of providing a core element of metallic material that includes at least one cavity having a first opening covered by a cover element with a first and second side. A form partially surrounds the core element and cover element. The form is filled with metallic filling material and heated in a heating chamber that is pressurized with gas for a predetermined time period at a predetermined temperature and a predetermined isostatic pressure, so that a metallurgical bond is achieved between the core element, cover element and metallic filling material. The core element is arranged such that, after filling the form with metallic filling material, the second side of the cover element is covered with metallic filling material so that the cavity during heating is pressurized to the predetermined isostatic pressure. | 08-29-2013 |
20130213718 | DRILL BIT FOR PERCUSSIVE ROCK DRILLING - The invention relates to a drill bit ( | 08-22-2013 |
20130207445 | Metal Matrix Composite Mining Pick and Method of Making - A mining pick is disclosed. The pick has a body, at least part of the body being formed of a metal matrix composite comprising particles dispersed in a metal, a cutting element mounted to body, and a shank extending from the body. The at least part of the body formed of the metal matrix composite is configured to provide a barrier during an excavation operation. | 08-15-2013 |
20130207388 | Pipe Coupling - A pipe coupling includes a first and second connected tubular element forming an elongated tube and being connected by a connection arrangement that biases the first tubular element against the second tubular. An annular sealing element is provided between and overlapping opposed end portions of the elements. The annular sealing element has a generally T-shaped cross-section and includes a first portion that forms a stem of the T-shaped cross section and extends in a radial direction and defines the outer periphery thereof, and a second portion formed by two opposing flanges that form the cross-bar of the T-shaped cross section and define the inner periphery thereof. At least one of the flanges presents a rounded bulge forming an outer peripheral surface of one flange. The bulge is sealed with an inner periphery of one of the tubular elements and extends continuously around the circumference of the annular sealing element. | 08-15-2013 |
20130202896 | COATED CUTTING TOOL - The present invention relates to a coated cutting tool comprising a PVD coating and a cemented carbide substrate comprising Co in an amount of 12.5-17 wt %, Cr in an amount such that the Cr/Co weight ratio is 0.05-0.15, a Ti of between 50 to 300 ppm by weight and a CW Cr value between 0.8-0.97. | 08-08-2013 |
20130199411 | CEMENTED CARBIDE - The present invention relates to a cemented carbide for oil and gas applications comprising a hard phase comprising WC and a binder phase wherein the cemented carbide composition comprises WC and, in wt-%, 3-11 Ni, 0.5-7 Cr, 0.3-1.5 Mo, 0-1 Nb, and 0-0.2 Co, and a method of making thereof. | 08-08-2013 |
20130197659 | JOINT PROSTHESIS - A joint prosthesis comprises a first component having a bearing surface and a second component having a bearing surface arranged to articulate with the bearing surface of the first component, said bearing surfaces of the first and the second component thus forming a bearing couple. The bearing surfaces consist of a silicon carbide whisker reinforced alumina. Thus, a bearing couple with low wear, low friction and high hardness is provided. | 08-01-2013 |
20130195567 | MILLING TOOL AS WELL AS A MILLING INSERT - In one aspect, the invention relates to a double-sided, indexable milling insert comprising two rake faces, between which there extends a circumferential clearance face that, in transition to the rake faces, together with the same, forms peripheral cutting edges. Each rake face including lock means for rotationally securing the milling insert in one of several index positions. Along the periphery of the individual rake face, a plurality of tangentially spaced-apart cutting edges are formed, which individually rise at an acute pitch angle from a first end toward a second one. A rake surface is positioned radially inside the individual cutting edge following the cutting edge by rising from a lower boundary line to a crest, via which the same transforms into a declining shoulder surface, which serves as a rotationally securing lock means. In addition, each rake face comprises individual bearing surfaces, which are situated between pairs of adjacent rake surfaces and on a different level from the same. In a further aspect, the invention also relates to a milling tool that is equipped with one or more milling inserts. | 08-01-2013 |
20130192902 | Drill Bit - A drill bit features a head portion and a connecting portion for attachment to a drilling device. The head portion includes at least two insert pockets, which can contain inserts, with cutting edges that extend from an inner position offset radially from the rotational axis of the bit to an outer cutting edge. The cutting edge is formed by the intersection of a top surface and a wear surface of the insert pocket or insert. The top surface is linear, but may be planar or non-planar. | 08-01-2013 |
20130180785 | ROCK DRILL BIT FOR PERCUSSIVE DRILLING AND A ROCK DRILL BIT BUTTON - A button and a rock drill bit for percussive drilling including a bit head attached at an end of a drill element of a drilling assembly. The bit head has at a front end, as seen in the intended drilling direction, a plurality of buttons distributed over the bit head to engage material to be crushed. At least one of the buttons has a shank portion made of a substrate material of particles of a first material embedded in a binder phase. The first material is harder than the binder phase. The shank portion at least partially forms a bearing portion, the material of which is harder than the binder phase. At least one of the buttons is allowed to rotate about its own respective symmetry axis. | 07-18-2013 |
20130180784 | ROCK DRILL BIT AND A DRILLING ASSEMBLY FOR PERCUSSIVE ROCK DRILLING - A rock drill bit for percussive drilling includes a bit head attached at an end of a drill element of a drilling assembly. The bit head has a diameter larger than that of the drill element. The bit head has at a front end as seen in the intended drilling direction a plurality of buttons distributed thereon to engage material to be crushed. At least one of the buttons is allowed to rotate about its own symmetry axis. | 07-18-2013 |
20130169023 | Bit Sleeve with Compression Band Retainers - A bit sleeve for holding a tool bit in a block having a bore that is at least partially tapered, including a collar having a front face for supporting a flange on the tool bit, a flange located rearward of the collar and having a diameter larger than that of the collar, a shank located rearward of the flange and having a diameter smaller than that of the flange, a body adapted to be received into the bore of the block and having a front spherically-shaped portion joined to a rear straight cylindrical portion, a front compression band mounted in a groove in the front portion, and a rear compression band mounted in a groove in the rear portion, wherein when the bit sleeve is installed in the bore, the first and second compression bands are compressed between the body and the bore to secure the sleeve within the bore. | 07-04-2013 |
20130169022 | RADIAL AND CONICAL TOOLS WITH COMPRESSION BAND RETAINER - Tool bit for non-rotatable mounting in a bore of a holder has a cutting head, a shoulder and a shank arranged axially along an axis of the tool bit. A groove is disposed circumferentially about a portion of the shank, and a compression band seated therein. Two or more grooves on the shank can include a non-metallic compression band and an optional o-ring. The compression bands/o-ring protrude past the outermost surface of the shank and, when the tool bit is positioned in a bore of a holder or sleeve, cause an outermost surface of the shank to be in non-contact with an inner diameter surface of the mounting bore and seal the space between the shank and the inner diameter surface of the bore to help prevent moisture and dust encountered during operation from getting between the tool and the holder. | 07-04-2013 |
20130146692 | Horizontal Shaft Impact Crusher - A horizontal shaft impact crusher comprises a crusher housing having an inlet for material to be crushed, an outlet for material that has been crushed, an impeller being mounted on a horizontal shaft in the crusher housing and being operative for rotating around a horizontal axis, a curtain against which material accelerated by the impeller may be crushed, and an adjustment bar for adjusting the position of said curtain relative to the impeller. The crusher is further provided with a cross beam to which said adjustment bar is connected, said crossbeam being adjustable relative to the impeller, and a curtain position indicator device indicating the position of the cross beam relative to the impeller, thereby indicating the position of the curtain relative to the impeller. | 06-13-2013 |
20130140873 | Reduced Volume Cutting Tip and Cutting Bit Incorporating Same - A cutting bit includes a tool pick having a head and a shank, and a cutting tip having a body, a cap extending frontwardly from the body, and a base extending rearwardly from the body. The base defines an outer diameter of the cutting tip and a substantially flat rear surface at the rear of the cutting tip. A post extends axially frontwardly from a front surface of the head of the tool pick. A cavity extends axially frontwardly into the base from the rear surface of the cutting tip, the cavity having a diameter equal to or less than about 40% of the outer diameter of the cutting tip. When the cutting tip is mounted to the tool pick, the post is received into the cavity and a portion of the front surface of the tool pick mates with a portion of the rear surface of the cutting tip. | 06-06-2013 |
20130136550 | ROUND TOOL BLANK AND METHOD AND DEVICE FOR MAKING THE SAME - The present invention relates to a method and a device for manufacturing a blank for a round tool and to a blank for a round tool, and eventually to a method for manufacturing a round tool and to a round tool obtained. The device comprises a die for extrusion and a sleeve arrangement comprising a sleeve, and an end member for closing the sleeve in one end. Extrusion through the die continuously forms an extruded material comprising chip flutes and optionally internal coolant channels, which is received by the sleeve arrangement. The extruded material received by the sleeve arrangement is reworked and shaped to a shank portion after the interior shape of the sleeve arrangement. A projection of the end member protruding into the sleeve forms a bore in the blank. When the shank portion is finished the end member is released and moved forward as extrusion continues to form a fluted portion to complete the blank. The material waste is minimal in this process and since the internal coolant channels are formed simultaneously with the chip flutes in the fluted portion there is no risk of deforming the internal coolant channels. Moreover, a bore in the round tool removes unnecessary material and provides improved design of internal coolant channels. | 05-30-2013 |
20130129435 | EXCHANGEABLE INSERT SEAT MEMBER FOR CUTTING TOOL - The present invention relates to an exchangeable insert seat member for a metal cutting tool comprising a tool body and a cutting insert, wherein the exchangeable insert seat member is arranged to be placed between the tool body and the cutting insert wherein said exchangeable insert seat member is contacting said tool body and said cutting insert at contact areas arranged such that there is no direct contact between the tool body and the cutting insert and wherein said exchangeable insert seat member is produced by powder injection molding. The present invention also relates to a metal cutting tool comprising such an exchangeable insert seat member. | 05-23-2013 |
20130129432 | CUTTING INSERT AND A MILLING TOOL - A cutting insert for face milling and ramping includes an upper side defining an upper extension plane, a lower side defining a lower extension plane parallel with the upper extension plane, and an edge side extending around the cutting insert. A centre axis extends perpendicularly through the upper and lower extension planes. An upper cutting edge forms four upper cutting edge portions having an identical length corresponding to a determined angle with respect to the centre axis. A lower cutting edge forms four lower cutting edge portions ( | 05-23-2013 |
20130129425 | Rock Bolt and an Anchoring Device - A rock bolt including an elongate shaft, and an anchoring device attached to the shaft having an expansion mechanism. The anchoring device is operable to expand radially relative to the lengthwise extent of the shaft to anchor the rock bolt within a bore drilled into a rock body. The anchoring device includes an annular band, which extends about the expansion mechanism to resist expansion of the mechanism. The band is arranged so it can enter the bore in which the bolt is to be anchored in position about the expansion mechanism and to maintain a resistance to expansion of the expansion mechanism at least until the expansion mechanism has substantially fully entered the bore. The band can be a polymeric material such as a heat shrink polymeric material in tight fitting engagement about the expansion mechanism so as to conform to the external shape of the expansion mechanism. | 05-23-2013 |
20130125725 | STEEL PUNCH KNIFE - The steel punch knife according to the invention is suitable for punching out parts of any shape from paper, cardboard, paperboard, corrugated board, plastics sheets, leather rubber and the like, and comprises a knife body ( | 05-23-2013 |
20130071193 | FLEXIBLE CARTRIDGE WITH PRECISION ADJUSTMENT - A tool cartridge for a material removal tool has a cartridge body with, among other things, a recess extending through at least a portion of the cartridge body from a first side toward a second side, a long axis of the recess non-parallel to a long axis of the cartridge body and at least a portion of the recess open to a bottom side of the cartridge body, and a threaded opening for a differential screw proximate a second end of the tool body and positioned longitudinally between an opening for a clamping screw and at least a portion of a seat for a cutting tool insert. A thread axis of the threaded opening is at an angle G relative to a long axis of the tool cartridge. A material removal tool, a tool, and a method of adjusting a cutting tool insert are also disclosed. | 03-21-2013 |
20130068486 | Fire Suppression Valve Improvements - Disclosed is a fire suppression system, a valve for the system, and a movable valve member for the valve. The system includes a reservoir for a fire suppressant material. The reservoir has an outlet, at least one nozzle from which the suppressant is delivered, and a valve governing passage of the suppressant to the nozzles. The valve includes a movable valve member and first and second valve seats cooperating therewith. The valve member is movable from a first position seated with respect to the first valve seat preventing communication between the reservoir and the nozzles, to a second position seated with respect to the second valve seat permitting suppressant flow from the reservoir to the nozzles and preventing suppressant flow to an actuator operatively associated with the valve to selectively cause movement of the valve member from the first position to the second position. | 03-21-2013 |
20130057046 | Polygonal Shield Washer - A polygonal shaped shield washer for mounting on a pick holder having a mating polygonal shaped barrel, the washer including a top having an interior opening and outer periphery defined by plurality of edges, each pair of adjacent edges being joined at a corner, and a skirt extending rearwardly from the outer periphery of the top, the skirt having a plurality of edges and corners aligned with the edges and corners of the top. | 03-07-2013 |
20130039709 | TWIST DRILL FOR ADVANCED MATERIALS - The present invention is concerned with twist drills for drilling of composite materials such as carbon fibre reinforced plastic (CFRP) and glass fibre reinforced plastic (GFRP). The present invention proposes that a twist drill ( | 02-14-2013 |
20130030361 | COATED MEDICAL IMPLANT - The present invention relates to a coated medical implant wherein the coating comprises an amorphous Me oxide layer or an (Al, Me) oxide layer deposited by physical vapor deposition, and wherein Me can be one or more of the elements of Ti, Si, Cr, Hf, Zr, Ta or Nb. The PVD layer does not have any bioactive/osseointegrating properties at temperatures below 45° C. This makes it easy to remove the implant after it has being inserted in an animal or human body, e.g. when used for fixating fractures. The coating may further comprise a calcium phosphate layer, preferably a hydroxyapatite layer, which is grown on the PVD layer using a biomimetic process. The coating may be loaded with a releasable agent such as a pharmaceutical agent, an ion or a bio molecule. The present invention also relates to a method for forming the coated medical implant. | 01-31-2013 |
20120324972 | METHOD OF MANUFACTURING A STAINLESS STEEL PRODUCT - The present invention relates to a method of manufacturing a duplex stainless steel wire product starting from wire rod, the method comprising the following steps: roughening the wire rod surface; applying a carrier coating on the wire rod surface; peeling the wire rod using a shaving die comprising cemented carbide; roughening the wire rod surface; applying a carrier coating on the wire rod surface; and drawing to final wire dimension. In the peeling step, the shaving die used has a rake face land angle η which is 10-30°, a rake angle γ which is 10-25°, a clearance angle α which is 3-10°, a rake face land width w which is 0.1-0.5 mm, and an edge radius which is 0.02-0.08 mm. The duplex stainless steel wire product manufactured according to the method exhibits excellent fatigue resistance. | 12-27-2012 |
20120321397 | Milling Tool as well as Segment Therefor - Milling tool formed for hobbing of workpieces having cogs has a cylindrical tool body defining a rotation axis and a plurality of disc-shaped segments. Each segment includes a hub part having two opposite plane-parallel end surfaces extending perpendicular to the rotation axis, and a peripheral cam having a plurality of tangentially spaced-apart milling inserts. Bordering segments are detachably interconnected by male and female members co-operating in pairs and situated with the rotation axis extending through the members, each of which include a contact surface converging from a big end toward a small end and, in a cross-section across the rotation axis, form an out-of-round curve. Contact surfaces are dimensioned so that, when members are brought together, they direct their two bordering segments toward an end position centred and mutually angularly determined by the out-of-round cross-section curve and where plane-parallel end surfaces abut against each other. An individual segment is disclosed. | 12-20-2012 |
20120315827 | Method and an apparatus for treating at least one workpiece - Apparatus for treating a workpiece has first and second regions at least partially enclosed by a casing and in communication via a passage, and support means for a carrier holding the workpiece in the first region for treatment. Pressure difference between the regions forces the workpiece toward the carrier and guides a flow of media from the first to the second region through the passage, at least partly, to create said pressure difference. Method for treating at least one workpiece holds the workpiece by forcing it toward the carrier with a created pressure difference between two regions. Holding also guides a flow of media from the first region to the second region through the passage in order to, at least partly, create said pressure difference. The treatment may comprise blasting, rinsing or drying. The workpiece may comprise cutting inserts, electronic components, small sized machined or formed components or parts. | 12-13-2012 |
20120315180 | MUSIC STRING - A stainless steel music string having a composition in percent by weight (wt %) of, 0.01≦C≦0.04; 0.01≦N≦0.06; 0.1≦Si≦1.0; 0.2≦Mn≦2.0; 5.0≦Ni≦10; 16≦Cr≦20; 0.2≦Cu≦3.0; 0≦Mo≦2.0; 0≦W≦0.5; 0≦V≦0.5; 0≦Ti≦1.0; 0≦Al≦1.0; 0≦Nb≦1.0; 0≦Co≦1.0, and the balance being Fe and normally occurring impurities The music string also includes at least 90% martensite phase by volume. | 12-13-2012 |
20120292057 | Fire Suppression Valve Improvements - Disclosed is a fire suppression system, a valve for the system, and a movable valve member for the valve. The system includes a reservoir for a fire suppressant material. The reservoir has an outlet, at least one nozzle from which the suppressant is delivered, and a valve governing passage of the suppressant to the nozzles. The valve includes a movable valve member and first and second valve seats cooperating therewith. The valve member is movable from a first position seated with respect to the first valve seat preventing communication between the reservoir and the nozzles, to a second position seated with respect to the second valve seat permitting suppressant flow from the reservoir to the nozzles and preventing suppressant flow to an actuator operatively associated with the valve to selectively cause movement of the valve member from the first position to the second position. | 11-22-2012 |
20120275876 | Milling Tool - A milling tool is disclosed having a front head and a rear holder, which are detachably connected by means of a male/female coupling as well as a screw and a washer. Via a main duct, cooling liquid is fed to a chamber, from which it is fed out via branch ducts to individual milling inserts. The front chamber is closed by means of a cover that is held applied against a ring surface surrounding the chamber. The cover is tightenable by means of a threaded joint that is operative independently of a threaded joint between the screw and a front section of the main duct. | 11-01-2012 |
20120255412 | Rotary Cutting Apparatus with Vibration Attenuation Means - Rotary cutting apparatus has a frame, a first rotary device and a second rotary device. Each of the first and second rotary devices has a shaft concentrically arranged about a rotational axis and a drum and are arranged in the frame in such a way that said first and second axes are substantially horizontal and substantially in the same vertical plane. A pair of bearing housings is arranged on either side of each of the drums. A first pair of bearing housings is movable relative to the frame in a transverse direction to the first rotational axis by means of a force means. Means is provided for passive vibration attenuation of at least the first shaft that includes a mass damper having a housing and a damping body movably arranged inside the housing, wherein the mass damper is associated with the first pair of bearing housings. | 10-11-2012 |
20120255411 | Rotary Cutting Apparatus with Vibration Attenuation Means - Rotary cutting apparatus has a frame, a first rotary device and a second rotary device. Each of the first and second rotary devices has a shaft concentrically arranged about a rotational axis and a drum and are arranged in the frame in such a way that said first and second axes are substantially horizontal and substantially in the same vertical plane. A pair of bearing housings is arranged on either side of each of the drums. A first pair of bearing housings is movable relative to the frame in a transverse direction to the first rotational axis by means of a force means. Means is provided for passive vibration attenuation of at least the first shaft, the means being able to reduce vibrations due to impacts of the first drum in relation to the second drum. | 10-11-2012 |
20120230784 | CUTTING INSERT AND SHIM FOR MILLING CUTTERS - A cutting tool includes a polygonal cutter body and an end cutting insert for chipforming machining mounted in a serrated seat disposed at an axial end of the cutter body. A bottom surface of the insert has a plurality of parallel serrations meshing with corresponding serrations of the seat. The serrations extend transversely relative to the longitudinal axis for resisting axially rearward cutting forces applied to the insert. The seat is formed directly by the cutter body, or by a shim disposed beneath the insert. The shim is provided with a downward lip to transfer axial forces to the cutter body. The insert can be square or triangular, wherein the serrations are in the form of a plurality of sets of parallel serrations disposed adjacent respective cutting edges. | 09-13-2012 |
20120207555 | Cutting Insert for a Milling Tool - A cutting insert for a gear milling tool comprises an under side, an opposite upper side that forms a chip surface and is parallel to an extension plane (p), a circumferential edge side that connects the upper side and the under side. A centre axis (A) extends through the under side. A symmetry line (S) is perpendicular to the centre axis. A first cutting edge comprises a primary main cutting edge, a secondary main cutting edge—which are symmetrical in respect of the symmetry line—and a transverse end cutting edge between the primary and the secondary main cutting edge. A normal to the extension plane (p) forms an acute clearance angle with the edge side at least along the first cutting edge so that the cutting insert obtains a positive cutting geometry. | 08-16-2012 |
20120207553 | Milling Tool for Gear Milling - Milling tool has a tool body with a fixing end, an opposite outer end, and a peripheral surface. The tool body comprises a large number of separated seats arranged at the peripheral surface one after the other along a helix line having a constant pitch. Corresponding large number of replaceable milling inserts comprise an under side, an opposite upper side forming a chip surface, a circumferential edge side, and two pairs of main cutting edges. The chip surface extends in an extension plane that comprises the main cutting edges. Each seat receives one of the milling inserts and comprises a support surface allowing support to the milling insert projecting from the tool body for cutting engagement with a gash of the workpiece. The chip surface extension plane of each milling insert has a normal parallel to the tangent of the helix line where the same intersects the extension plane. | 08-16-2012 |
20120168431 | HEATING ELEMENT - A heating element for use in industrial furnaces, which enables the use of a higher voltage over the element. The heating element includes a heating zone made of a molybdenum disilicide based material including 48-75% by volume of a non-conducting compound and two terminals made of a molybdenum disilicide based material including up to 25% by volume of a non-conducting compound. | 07-05-2012 |
20120167420 | POLYGON-SHAPED CARBIDE TOOL PICK - A polygonal tool pick formed entirely of a single hard material, including a head, a shoulder extending rearwardly from the head and having an outer dimension at least as large as a largest outer dimension of the head, a shank extending rearwardly from the shoulder and having an outer dimension smaller than the outside dimension of the shoulder, and a tail extending rearwardly from the shank and having an outer dimension larger than the outer dimension of the shank, wherein the head, the shoulder, the shank, and the tail each have a plurality of faces with at least one pair of opposed faces being parallel to each other. | 07-05-2012 |
20120163924 | FRICTION BOLT - A friction bolt, for frictionally engaging the internal surface of a bore drilled into a rock face. The friction bolt comprises an elongate, generally circular tube which is expandable radially. The tube has a leading end and a trailing end. An expander mechanism is disposed within the tube for applying a load tending to expand at least a section of the tube radially. An elongate tendon is disposed longitudinally within the tube and in connection at or towards one end of the tendon with the expander mechanism and in connection at or towards an opposite end of the tendon with an anchor arrangement. The tendon is actuatable to expand the expander mechanism and to remain connected between the expander mechanism and the anchor arrangement while the expander mechanism is expanded. The expander mechanism comprises a pair of expander elements, a first of which is secured relative to the tube and a second of which is secured to the elongate tendon, actuation of the tendon being operable to cause relative movement between the first and second expander elements to cause the expander mechanism to expand. | 06-28-2012 |
20120114442 | COATED CUTTING TOOL FOR METAL CUTTING APPLICATIONS GENERATING HIGH TEMPERATURES - The present invention relates to a cutting tool insert comprising a body of cemented carbide, cermet, ceramics, high speed steel (HSS), polycrystalline diamond (PCD) or polycrystalline cubic boron nitride (PCBN), a hard and wear resistant coating is applied, grown by physical vapour deposition (PVD) such as cathodic arc evaporation or magnetron sputtering. Said coating comprises at least one layer of (Zr | 05-10-2012 |
20120114426 | ROCK BOLT WITH MECHANICAL ANCHOR - A rock bolt comprising a shaft having first and second ends, and an anchoring device operative to retain the bolt when located in a drilled hole and comprising a mandrel mounted to, or integrally formed with, the shaft and at least one expansion element overlaying the mandrel, at least one of the mandrel or the at least one expansion element being a movable member and being able to rotate relative to, and move axially along, the shaft, the at least one expansion element being arranged to be displaced radially outwardly on a predetermined relative movement between the mandrel and the at least one expansion element, wherein when disposed on a first portion of the shaft, rotation of the movable member relative to the shaft causes axial movement of that member along the shaft, and when disposed on a second portion of the shaft, the movable member is able to rotate on the shaft without being biased to move axially along the shaft. | 05-10-2012 |
20120104830 | Grading Pick With Extended Fins - A tool pick including a head portion, a larger diameter shoulder positioned rearwardly adjacent to the head portion and joined to the head portion at a junction, and a shank extending rearwardly with respect to the shoulder. Two or more fins extend generally radially outward from the head portion and the shoulder, each fin having an outer surface sloping outwardly and rearwardly from the head portion and a pair of side surfaces, a rear end of each fin being located rearward of the junction between the head portion and the shoulder, the fins defining a maximum diameter of at least about 105% of the diameter of the shoulder such that the outer surface of the fin at an axial position aligned with the junction is located radially outward with respect to the junction. | 05-03-2012 |
20120103471 | Shaped Carbide Tips, Carbide-Tipped Teeth, And Tools With Same - A carbide cutting tip including a rear surface and a bottom surface for mounting the tip to a cutting tool tooth, a top surface having a pair of peaks separated by a trough, the top surface including a frontward facet and a rearward facet sloped downwardly and rearwardly at a non-zero angle α with respect to the frontward facet, and a front surface having a substantially flat lower portion and a concave upper portion having a shape defined by a segment of an ellipse, the lower portion being disposed substantially perpendicularly to the frontward facet of the top surface, the lower portion and the upper portion joining at a break point located at the apex of the major axis of the ellipse, the major axis of the ellipse being canted frontwardly from the break point at a non-zero angle β with respect to the lower portion of the front surface. | 05-03-2012 |
20120098326 | Reduced Volume Cutting Tip and Cutting Bit Incorporating Same - A cutting bit includes a tool pick having a head and a shank, and a cutting tip having a body, a cap extending frontwardly from the body, and a base extending rearwardly from the body. The base defines an outer diameter of the cutting tip and a substantially flat rear surface at the rear of the cutting tip. A post extends axially frontwardly from a front surface of the head of the tool pick. A cavity extends axially frontwardly into the base from the rear surface of the cutting tip, the cavity having a diameter equal to or less than about 40% of the outer diameter of the cutting tip. When the cutting tip is mounted to the tool pick, the post is received into the cavity and a portion of the front surface of the tool pick mates with a portion of the rear surface of the cutting tip. | 04-26-2012 |
20120056751 | METHOD AND SYSTEM FOR INTEGRATING SENSORS ON AN AUTONOMOUS MINING DRILLING RIG - An autonomous drilling rig ( | 03-08-2012 |
20120035739 | DESIGNED SURFACES FOR USE IN MEDICAL IMPLANTS OR INSTRUMENTS - A medical implant device or component thereof comprising a metal substrate and a coating layer structure provided on the substrate. The coating layer structure comprises an outermost layer of a ceramic material. A bonding structure is deposited between the metal substrate and the coating layer structure. The bonding structure comprises a chromium rich layer, which is deposited onto the metal substrate surface and has a higher concentration of chromium than the metal substrate, as well as a gradient layer having a composition gradient from the chromium rich layer towards the surface of the device providing increasing proportions of a gradient material which has structural correspondence with the layer of the coating layer structure that is most adjacent to the bonding structure. | 02-09-2012 |
20120034126 | STAINLESS AUSTENITIC LOW Ni STEEL ALLOY - An austenitic stainless steel alloy having the following composition in percent of weight (wt %): 0.02≦C≦0.06; Si<1.0; 2.0≦Mn≦6.0; 2.0≦Ni≦4.5; 17≦Cr≦19; 2.0≦Cu≦4.0; 0.15≦N≦0.25; 0≦Mo≦1.0; 0≦W≦0.3; 0≦V≦0.3; 0≦Ti≦0.5; 0≦Al≦1.0; 0≦Nb≦0.5; 0≦Co≦1.0; the balance Fe and normally occurring impurities, wherein the contents of the alloying elements are balanced so that the following conditions are fulfilled: | 02-09-2012 |
20120028772 | ROLLER COMPRISING A DRIVE SHAFT AND A ROLLER RING, AS WELL AS A METHOD FOR ASSEMBLING SUCH A ROLLER - The invention relates to a roller of the type that comprises, on one hand, a drive shaft, which has a cylindrical envelope surface having a certain outer diameter and a certain length, and, on the other hand, a shorter roller ring, which includes an outer ring of a hard material and an inner ring concentric with the same and of a more ductile material, which includes a cylindrical inside having a certain inner diameter and is, on one hand, permanently united to the outer ring in a metallurgical way, and, on the other hand, rotationally rigidly connected with the drive shaft in order to, from the same, transfer torque to the outer ring. According to the invention, the rotationally rigid joint between the drive shaft and the roller ring solely consists of a shrink-fit joint that is established between the envelope surface of the drive shaft and the inside of the inner ring and has an interference of at least 0.01% of the outer diameter of the drive shaft. | 02-02-2012 |
20120025591 | ROTATABLE GRADING PICK WITH DEBRIS CLEARING FEATURE - A rotatable grading pick has a head portion, a shank portion extending rearwardly from the head portion, and a polygonal portion on the rotatable grading pick. At least a portion of the outer perimeter of the polygonal portion can be engaged by a tool so that the polygonal portion can be rotated, and the shank portion can be rotated to clear debris between the shank portion and a retainer placed around a part of the shank portion. | 02-02-2012 |
20120019044 | Holder Block for Both Radial and Conical Tool Picks - A holder block and pick assembly including a pick, a washer, and a block body. The pick includes a shoulder and a shank extending rearwardly from the shoulder and having a diameter smaller than the diameter of the shoulder. The washer has a central opening adapted to fit about the shank adjacent to the shoulder and a substantially flat edge disposed substantially perpendicular to a radius of the central opening. The block body includes a bore for receiving the shank, a base surface at a lower end of the body for mounting the body to a rotatable element of a rotary cutting machine, and a stop extending frontwardly from the front face of the body and having a surface located substantially perpendicularly to a radius of the bore such that when the pick shank is inserted into the bore with the washer disposed about the shank adjacent to the shoulder, the flat edge of the washer engages the surface of the stop to substantially prevent the washer from rotating with respect to the block. | 01-26-2012 |
20120013123 | THREADED THIN-WALLED DRILL TUBE JOINT - A member of a joint for a thin-walled drill tube presents a central axis and comprises a thread for forming a screw joint. The thread presents a thread bottom, a thread top, a pressure flank and a clearance flank. The pressure flank presents a portion having a negative angle less than 7.5°, but at least 0°, relative to a direction perpendicular to the central axis. | 01-19-2012 |
20120006923 | CONE CRUSHER - An inertia cone crusher, including an outer crushing shell and an inner crushing shell forming between them a crushing chamber, the inner crushing shell being supported on a crushing head which is attached on a crushing shaft which is rotatable in a sleeve, an unbalance weight being attached to the sleeve, a vertical drive shaft being connected to the sleeve for rotating the sleeve, the drive shaft being supported by a drive shaft bearing, and a first counterbalance weight and a second counterbalance weight, the first counterbalance weight being attached to the drive shaft in a position located below the drive shaft bearing, the second counterbalance weight being attached to the drive shaft in a position located above the drive shaft bearing. | 01-12-2012 |
20120006918 | GYRATORY CRUSHER HAVING A SEAL ARRANGEMENT - A gyratory crusher, including an outer crushing shell and an inner crushing shell forming between them a crushing chamber, the crushing chamber communicating with a discharge zone that forwards crushed material from the crushing chamber and out of the crusher. The inner crushing shell is supported on a crushing head. The outer crushing shell is supported on a crusher frame. At least one sealing arrangement is between the discharge zone and a working part zone in which at least one bearing for the crushing head to perform a gyratory movement relative to the crusher frame is arranged. The sealing arrangement includes a sealing surface, and a sealing member arranged to seal against the sealing surface and including an inner circumferential flexible sealing lip, an outer circumferential flexible sealing lip and at least one inlet for pressurized fluid to be supplied to an overpressure zone arranged between the inner and outer sealing lips and the sealing surface. One of the sealing member and the sealing surface is arranged in connection to the crushing head, and the other of the sealing member and the sealing surface is arranged in connection to the crusher frame. | 01-12-2012 |
20110311326 | SHIM PLATE FOR TOOLS FOR CUTTING MACHINING AS WELL AS A TOOL - A shim plate for mounting in a cutting tool for rotary chip removing machining, the cutting tool including a basic body having a rotational axis, a peripheral envelope surface concentric with the rotational axis, a front end surface, and at least one insert seat including a seat surface, the basic body being rotatable in a direction of rotation and arranged to, in each insert seat against the seat surface, receive the shim plate and a mountable cutting insert adjacent to the shim plate. The shim plate includes a bottom surface adapted to adjoin to the seat surface of the basic body, a contact surface opposite to the bottom surface and adapted to adjoin to the cutting insert, and at least one side surface that extends between the bottom surface and the contact surface. In a radial cross-section orthogonal to the rotational axis and traversing the shim plate, an imaginary straight line (a) associated with the bottom surface, intersecting a point (a | 12-22-2011 |
20110299948 | CEMENTED CARBIDE INSERT AS WELL AS A CEMENTED CARBIDE BLANK FOR THE MANUFACTURE OF SUCH CUTTING INSERTS - A cemented carbide insert, including an upper side, an under side, a plurality of side surfaces extending between the upper side and the underside, and an inset including a cutting edge. The cutting edge includes a nose edge and two main edges converging toward the nose edge. The inset is formed of a material that is harder than the cemented carbide, and is countersunk in the surrounding cemented carbide and co-ground with the surrounding cemented carbide. The inset is arranged in a front, wedge-shaped head delimited by one chip surface and two clearance surfaces running along the main edges. The inset transforms into an adjacent body part via limiting surfaces situated inside imaginary planes in the extension of the chip surface and the clearance surfaces. | 12-08-2011 |
20110290925 | DUST SEAL FOR GYRATORY CRUSHER - A gyratory crusher including a crusher head on which a first crushing shell is mounted, a frame on which a second crushing shell is mounted, the first and second crushing shells forming a crushing aperture. A drive device is adapted to rotate an eccentric to which the crusher head is so connected as to be caused, during rotation of the eccentric, to perform a gyratory movement for crushing of material which is introduced into the crushing aperture. A dust seal is adapted to seal a gap between the frame and a fastening portion situated close to the crusher head. The dust seal includes a seal bellows and a seal slide ring. The seal slide ring is connected sealingly to a lower portion of the seal bellows and has a lower slide surface adapted to slide along, and to sealingly abut, with a substantially vertical abutment pressure determined by the inherent weight of the seal slide ring and by the influence of the seal bellows, against an upper slide surface provided on the frame. An upper portion of the seal bellows is sealingly connected to the fastening portion so that rotation of the crusher head causes rotation of the seal slide ring about a substantially vertical axis of rotation. | 12-01-2011 |
20110286861 | AIR COMPRESSOR SYSTEM AND METHOD OF OPERATION - Air compressor systems, upgrade kits, computer readable medium, and methods for controlling an air compressor for improved performance. The methods may include receiving a working air requirement; determining an estimated air pressure of the air compressor to deliver the working air requirement; measuring a pressure of the air compressor; comparing the measured pressure with the calculated estimated air pressure; if the measured pressure of the air compressor is greater than the determined estimated air pressure by a predetermined greater amount, then decreasing an output control of the air compressor; and if the measured pressure of the air compressor is less than the calculated estimated air pressure by a predetermined lesser amount then increasing the output control of the air compressor. The air compressor may be controlled based on a measured pressure of delivered working air. An oil control system may shut off oil to parts of the air compressor. | 11-24-2011 |
20110274506 | INDEXABLE MILLING INSERT FOR MILLING TOOLS - An indexable milling insert for milling tools, including a bottom surface, an opposite chip surface, and a plurality of side surfaces extending between the bottom surface and the opposite chip surface, two of the side surfaces being primary clearance surfaces and two of the side surfaces being secondary clearance surfaces. A plurality of cutting edges are formed between the opposite chip surface and the primary and secondary clearance surfaces. Two of the cutting edges that connect to the primary clearance surfaces are primarily parallel and constitute main cutting edges. At least one lock structure is provided and includes a locking surface arranged on one of the secondary clearance surfaces so that the locking surface and the primary clearance surface form an acute angle, α, in a section that is parallel to the bottom surface and intersects the locking surface. A coupling structure is arranged on the opposite chip surface and at least partly projects from a plane that is parallel to the bottom surface and passes through points of the main cutting edges situated closest to the bottom surface. The coupling structure comprises at least one flank surface, which is arranged in such a way that the flank surface, in a section that is parallel to the primary clearance surface and intersects the flank surface, forms an acute angle, β, with the bottom surface so that the flank surface slopes in the direction from the secondary clearance surface on which the locking surface is arranged. | 11-10-2011 |
20110259875 | NI-CR-FE ALLOY FOR HIGH-TEMPERATURE USE - The present application relates to an alloy for use at high temperature. The invention is characterized in that the alloy consists principally of Ni, Cr and Fe and in that the alloy has a principal composition such that the levels of the elements Fe, Si, C, Nb and Mo lie within the following intervals, given in percentage by weight: Fe 5-13 Si 1-3 C <0.1 Nb <0.2 Mo <1.0 and in that Ni comprises the balance, while its level does not exceed 69% and in that the level of Cr is greater than Cr=15% and in that it is less than the lower of the two values Cr=5*Si−2.5*Fe+42.5 and Cr=25 | 10-27-2011 |
20110255995 | AIR COMPRESSOR SYSTEM AND METHOD OF OPERATION - Air compressor systems, upgrade kits, computer readable medium, and methods for controlling an air compressor for improved performance. The methods may include receiving a working air requirement; determining an estimated air pressure of the air compressor to deliver the working air requirement; measuring a pressure of the air compressor; comparing the measured pressure with the calculated estimated air pressure; if the measured pressure of the air compressor is greater than the determined estimated air pressure by a predetermined greater amount, then decreasing an output control of the air compressor; and if the measured pressure of the air compressor is less than the calculated estimated air pressure by a predetermined lesser amount then increasing the output control of the air compressor. The air compressor may be controlled based on a measured pressure of delivered working air. An oil control system may shut off oil to parts of the air compressor. | 10-20-2011 |
20110255994 | AIR COMPRESSOR SYSTEM AND METHOD OF OPERATION - Air compressor systems, upgrade kits, computer readable medium, and methods for controlling an air compressor for improved performance. The methods may include receiving a working air requirement; determining an estimated air pressure of the air compressor to deliver the working air requirement; measuring a pressure of the air compressor; comparing the measured pressure with the calculated estimated air pressure; if the measured pressure of the air compressor is greater than the determined estimated air pressure by a predetermined greater amount, then decreasing an output control of the air compressor; and if the measured pressure of the air compressor is less than the calculated estimated air pressure by a predetermined lesser amount then increasing the output control of the air compressor. The air compressor may be controlled based on a measured pressure of delivered working air. An oil control system may shut off oil to parts of the air compressor. | 10-20-2011 |
20110253822 | HORIZONTAL SHAFT IMPACT CRUSHER - A horizontal shaft impact crusher, including a crusher housing having an inlet for material to be crushed and an outlet for material that has been crushed. An impeller is mounted on a horizontal shaft in the crusher housing and is operative for rotating around a horizontal axis. Material to be crushed is accelerated by the impeller against a curtain. An adjustment device is provided for adjusting the position of the curtain relative to the impeller. The crusher housing includes at least two guide rails to which the adjustment device is slidably connected. A retaining device is arranged to hold, with a predetermined holding force, the adjustment device in a crusher operation position relative to the guide rails. The adjustment device is movable along the guide rails from the crusher operation position and away from the impeller in response to an excessive force being transferred from the curtain to the adjustment device and exceeding the predetermined holding force. | 10-20-2011 |
20110253821 | HORIZONTAL SHAFT IMPACT CRUSHER - A horizontal shaft impact crusher includes a crusher housing having an inlet for material to be crushed and an outlet for material that has been crushed. An impeller is mounted in the crusher housing for rotation about a horizontal axis. A curtain disposed in the crusher housing is arranged so material accelerated by the impeller is crushed thereagainst. An adjustment device, which adjusts the position of the curtain relative to the impeller, is slidable connected to guide rods. The adjustment device includes a locking device positionable selectively in either a holding state in which the locking device is de-energized and arranged to apply a holding force for holding the adjustment device in a crusher operation position relative to the guide rods, or an adjustment state in which the locking device is energized and arranged to release the holding force, thereby enabling displacement of the adjustment device relative to the guide rods. | 10-20-2011 |
20110250463 | ALUMINIUM OXIDE FORMING NICKEL BASED ALLOY - Nickel based alloy intended for use at high temperatures wherein it comprises in percent by weight (wt-%)
| 10-13-2011 |
20110241407 | CARBIDE BLOCK AND SLEEVE WEAR SURFACE - An assembly is disclosed including a holder block, a cutting pick, and an optional hollow sleeve, wherein the shank of the cutting pick is inserted into the holder block or, where present, into the hollow sleeve. When assembled, surfaces of the components meet at an interface. At least one of the first interface and the second interface includes one or more sets of wear elements including cemented carbide bodies press fit into recesses in the forwardly oriented surfaces meeting at the interfaces. The wear elements mitigate direct contact between the opposing surfaces of the components at the interfaces and prevents excessive wear from repetitive impact because the harder wear elements, e.g., cemented carbide, are contact points between the opposing surfaces of the components at the interfaces. A machine incorporating the assembly and a method of manufacturing the assembly are also disclosed, particularly a machine for mining, excavating, tunneling, road planing and/or construction. | 10-06-2011 |
20110240911 | MOLYBDENUM SILICIDE COMPOSITE MATERIAL - A composite material based on a disilicide including molybdenum and zirconium dioxide, ZrO | 10-06-2011 |
20110236145 | ROTATABLE TOOL FOR CHIP REMOVING MACHINING AS WELL AS A LOOSE TOP AND A BASIC BODY THEREFOR - A rotatable tool for chip removing machining, including a basic body having front and rear ends between which there extends a first geometrical center axis (C | 09-29-2011 |
20110236142 | MILLING CUTTER AS WELL AS A MILLING INSERT THEREFOR - A milling cutter for chip removing machining, including a basic body rotatable in a predetermined direction around a center axis and having a front end surface and an envelope surface that extends axially backward from the front end surface and is concentric with the center axis. A number of indexable milling inserts are mounted in respective peripherally spaced-apart seats having a mutually fixed pitch, each milling insert including an upper side, an under side and at least one clearance surface, the clearance surface together with the upper side delimiting at least two alternately active cutting edges that are uniform in their extension between first and second end points. The cutting edges of each milling insert are situated on different levels in relation to the under side of the milling insert to alter the effective pitch between the active cutting edges of the milling inserts by indexing of at least one of the milling inserts. | 09-29-2011 |
20110229278 | MILLING TOOL FOR CUTTING MACHINING - A milling tool for rotary cutting machining, including a tool body having a rotation axis, a plurality of insert seats adapted to receive respective milling inserts arranged in one end of the tool body, and a plurality of damping members arranged inside the tool body which suppress operation-induced vibrations in the tool. The damping members being arranged radially displaced from the rotation axis, displaced from the insert seats, and adjacent to the one end of the tool body. | 09-22-2011 |
20110220556 | SUPPORT CARRIER FOR A VIBRATING SCREEN DEVICE - A vibrating screen device includes a support structure, which supports apertured screening elements. The support structure includes a plurality of support carriers, each having a straight portion and a spacer part fixed to at least one end of the straight portion. The spacer part of each support carrier engages a spacer part of an adjacent support carrier to space the straight portions apart by a predetermined distance. | 09-15-2011 |
20110215033 | SCREENING MAT FOR VIBRATING SCREEN DEVICES - A screening media for use in vibrating screen devices that fractionize crushed stones or gravel. The screening media is made by extruding a fiber-reinforced rubber or polymeric material to form a strip in a length longer than that needed to make individual screening mats for use in the vibrating screen devices. Screening apertures are then punched in the strip, and the apertured strip is cut into individual mats. The extruded strip includes side portions configured to connect to support structures of the vibrating device. Prior to the cutting step, the apertured strip can be maintained in the form of a coil or a long-length element. | 09-08-2011 |
20110215032 | VIBRATING SCREEN DEVICE HAVING MODULAR SCREENING MEDIA - A vibrating screen device for fractionizing stones and gravel includes a support structure, a plurality of carriers mounted on the support structure, and a plurality of screening mats removably mounted on the carriers in side-by-side relationship. Each carrier includes two upright beams forming a slot therebetween. Each screening mat has opposite end parts, wherein respective end parts of two adjacent screening mats are received in each slot. The beams and end parts include protrusions and grooves which are interconnected, and maintained in connection, by a wedge inserted into the slot between the end parts. | 09-08-2011 |
20110204701 | SLEEVE WITH WIDENING TAPER AT REARWARD END OF BORE - A block and sleeve assembly and a sleeve per se are disclosed. The sleeve has a central bore with a rearwardly opening taper. The holder block has a side-to-side opening with a bridge. An angle of the rearwardly opening taper and/or the distance from the beginning of the taper of the central bore of the sleeve to the surface of the side-to-side opening are sized to allow rearward removal of a shank of a sheared cutting pick from the sleeve. Optionally, an outer circumferential surface of at least a portion of the sleeve shank is forwardly tapered and the opening in the holder block is complementarily tapered to receive the sleeve shank. A rearward biasing retainer clip can also optionally be included. | 08-25-2011 |
20110197723 | TURNING INSERT, A TOOL PART, A METHOD AS WELL AS A MACHINE TOOL FOR CHIP-CUTTING METAL MACHINING - A turning insert formed for chip-cutting metal machining of a workpiece that rotates in a direction of rotation at a first speed of rotation around a workpiece axis, the turning insert including a front surface, an envelope surface, and a circular cutting edge located where the front surface meets the envelope surface. The cutting edge extends around the front surface and lays in a plane that forms an angle α with the envelope surface. A tool axis extends through the turning insert in a normal direction in respect of the plane, and the turning insert, during the chip-cutting metal machining, is formed to rotate around the tool axis at a second speed of rotation. The envelope surface forms a chip surface and is arranged to meet chips formed in the chip-cutting metal machining, and the chip surface includes chip breaking means. | 08-18-2011 |
20110193399 | FULL SLEEVE RETAINER FOR STEP-SHANK OF TOOL - A tool pick assembly and a tool and block assembly are disclosed. A sleeve is positioned about the shank to allow rotation of the tool pick and also friction fit with the block. The sleeve is stepped in complement to the shape of the surface of the shank of the tool pick and the shape of the surface of the bore in the tool holder and extends substantially all of the length, optionally all of the length, of the stepped bore in the block to reduce or prevent dust and fines from entering and wearing the bore surface. When assembled, the stepped sleeve and complementarily shaped shank of the tool pick each do not extend past the rear surface of the bore to mitigate or prevent shank deformation from impact during use. | 08-11-2011 |
20110188954 | BORING TOOL - The present invention concerns a boring-out tool comprising a main tool body having an interface for a drive, and a cutting insert holder which can be fastened to the main tool body and has a seat for a cutting insert, wherein the cutting insert holder can be moved in the radial direction relative to the main tool body between two positions. To provide a boring-out tool of the kind set forth in the opening part of this specification, which can be easily adapted to different boring diameters so that only few different boring-out tools have to be stocked to be able to cover all usual boring diameters, it is proposed in accordance with the invention that there is provided an extension arm which on the one hand is fastened to the main tool body and which on the other hand carries the cutting insert holder, wherein the cutting insert holder can be fastened to the extension arm at least two positions which are spaced from each other in the radial direction. | 08-04-2011 |
20110188950 | COATED CUTTING TOOL AND A METHOD OF MAKING THEREOF - The present invention relates to a cutting tool for metal machining with improved wear properties, comprising a cutting tool substrate of cemented carbide, cermet, ceramics or a super hard material, and a wear resistant coating, wherein the wear resistant coating comprises a PVD Ti—Si—C—N layer with a compositional gradient, and a method of making thereof. | 08-04-2011 |
20110183832 | FINE GRAINED CEMENTED CARBIDE WITH REFINED STRUCTURE - The present invention relates to a fine grained WC-Co cemented carbide. By adding an extremely small amount of Ti, V, Zr, Ta or Nb alone or in combinations, a grain refined cemented carbide structure with less abnormal WC-grains has been obtained. | 07-28-2011 |
20110182677 | TOOL COMPRISING A FASTENING UNIT - The present invention concerns a milling or boring tool comprising a main tool body rotatable about a tool axis and a cutting element which can be fastened to the main tool body and which has a cutting portion or a cutting insert seat for receiving a cutting insert. To provide a fastening system for fastening the cutting element to the main tool body, which is to be easily implemented at low cost, which allows highly accurate positioning of the cutting element on the main tool body and which in addition permits very rapid exchange of the cutting element, it is proposed according to the invention that a centering pin which is arranged parallel to the boring axis and the axis of which does not coincide with the tool axis is connected on one part, the main tool body or the cutting element, and a corresponding centering opening is provided on the other part, the cutting element or the main tool body. | 07-28-2011 |
20110182676 | TOOL WHICH CAN BE AXIALLY ADJUSTED - The present invention concerns a tool for cutting machining for boring or milling comprising a main tool body rotatable about a tool axis and a holding element which can be fastened to the main tool body and has a cutting insert seat. To provide a tool which is simple and inexpensive to produce and which permits axial adjustment of the cutting insert in relation to the main tool body to a large extent in comparison with the state of the art it is proposed in accordance with the invention that there is provided an adjusting device for axially adjusting the holding element in relation to the main tool body. | 07-28-2011 |
20110174546 | CORE DRILL BIT - A drill bit is disclosed. The drill bit has an axis, and a barrel, and a cutting member fixed to the barrel. The barrel is arranged to engage a drill shaft for driving the drill bit around the axis. The barrel and the cutting member are adjacently located on the axis. The drill bit has an aperture centered on the axis, the aperture passing completely through both the cutting member and barrel. | 07-21-2011 |
20110163591 | CUTTING PICK AND MOUNTING ASSEMBLY - To alleviate the problem associated with wear of either the shank of the cutting pick or the surface defining the cutting pick mounting hole, a cutting pick and mounting assembly is provided including a cutting pick having a shank and a cutting tip, a cutting pick mounting hole extending through a support surface within which the shank of the cutting pick is received such that the cutting tip projects from the hole; an inner sleeve having a cutting pick opening within which the shank of the cutting pick extends; an outer sleeve having an inner sleeve opening within which the inner sleeve and the shank of the cutting pick extend; wherein the shank, the inner sleeve and the outer sleeve are positioned concentrically within the cutting pick mounting hole. | 07-07-2011 |
20110162707 | ELECTRICAL CONTACT WITH ANTI TARNISH OXIDE COATING - The invention relates to an electrical contact t comprising a strip substrate comprising a conductive layer of a metal or an alloy provided on the surface of the substrate and an oxide layer provided on the conductive layer. By means of the oxide layer the underlying metal or alloy layer is protected from reaction with elements such as oxide or sulphur in the ambient air. The invention also relates to products such as fuel cells and solar cells comprising the electrical contact. | 07-07-2011 |
20110151276 | ANTI TARNISH SILVER ALLOY - The invention relates to a coated product comprising a strip substrate comprising a conductive alloy layer comprising silver and indium provided on the surface of the substrate. The conductive alloy layer has good electrical properties and does not easily react with sulphur in the ambient air. The invention further relates to a method for producing a coated product, comprising the steps of: providing a strip substrate; ion-etching of the substrate; depositing a conductive alloy layer comprising silver and indium on the substrate. The invention also relates to a product for electrical use comprising the coated product. | 06-23-2011 |
20110150583 | DEVICE FOR MILLING OF MATERIALS - A device and a method of making thereof includes a milling cutter body that is connectable to a rotatable spindle or holder. The milling cutter body is provided with at least one series of a plurality of tangentially spaced-apart cutting edges or a plurality of tangentially spaced-apart seats intended for milling inserts having at least one cutting edge. The cutting edges or seats of the series are arranged such that, within the series, a first angle between a radius that intersects a first cutting edge and a radius that intersects another cutting edge, which is situated closest to the first cutting edge in a direction of rotation around the rotation axis, is smaller than a second angle between the radius that intersects the first cutting edge and a radius that intersects another cutting edge, which is situated closest to the first cutting edge in a direction opposite the direction of rotation. | 06-23-2011 |
20110150582 | FACE MILL FOR FINE MILLING - A face mill for fine milling, including a basic body that is rotatable around a center axis (C | 06-23-2011 |
20110147368 | Austenitic FE-CR-NI alloy for high temperature use - An austenitic alloy for high temperature use, particularly for use in resistance heating elements. The alloy includes primarily the elements Fe, Ni, and Cr, and it has the following main composition, given in weight %, Ni 38-48, Cr 18-24, Si 1.0-1.9, C<0.1, and the balance Fe. The alloy provides good hot form stability, good oxidation resistance, and a relatively high electrical resistance coupled with a low change in resistance as a function of temperature. | 06-23-2011 |
20110135898 | MULTILAYERED COATED CUTTING TOOL - A coated cutting tool includes a substrate and a PVD coating having an outermost zone C being a nitride, carbide, boride, or mixtures thereof, of Si and at least two additional elements selected from Al, Y, and groups 4, 5 or 6 of the periodic table and zone C is free from a compositional gradient of an average content of Si. Zone C has a laminar, aperiodic, multilayered structure with alternating individual layers X and Y having different compositions from each other. The coating further includes a zone A closest to the substrate, a transitional zone B, where zone A is essentially free from Si, zone B includes a compositional gradient of the average content of Si, and where the average content of Si is increasing towards zone C. | 06-09-2011 |
20110110739 | ROTATABLE TOOL FOR CHIP REMOVING MACHINING AS WELL AS A LOOSE TOP AND A BASIC BODY THEREFOR - A rotatable tool for chip removing machining, including a basic body having front and rear ends between which a first center axis extends with which an envelope surface is concentric, the front end including a jaw delimited by two torque-transferring drivers and an intermediate bottom in which a center hole extending axially inside the basic body mouths, and a bore for a locking screw extending radially between the center hole and the envelope surface. A loose top has front and rear ends between which a second center axis extends, in the extension of which a pin protruding from the rear end extends that is delimited by a free end surface and an envelope surface in which a shoulder surface is included for the locking screw arranged in the radial bore. A countersink axially spaced apart from the end surface is formed in the envelope surface of the pin of the loose top for the receipt of a snap-in member arranged along the inside of the center hole to provisionally clamp the pin in the center hole when the locking screw is not tightened. | 05-12-2011 |
20110109148 | ROAD GRADING PICK WITH WASHER - A road grading pick includes a cutting head, a shank, a shoulder at a transition between the cutting head and the shank, and a polygonal-shaped washer or an oval-shaped washer. The shank is positioned in an opening of the washer to position the washer along a longitudinal length of the shank between a rearward end of the shank and the rearward facing surface of the shoulder. In a preinstalled position, the washer compresses a friction retainer on the shank of the road grading pick to facilitate seating of the road grading pick in a blade of a road grading apparatus. In an installed position on an adapter board for a moldboard of road grading equipment, the friction retainer is no longer in the opening of the washer and the washer prevents washer rotation and shields an underlying mounting surface while allowing rotation of the road grading pick. | 05-12-2011 |
20110109147 | BLOCK AND SLEEVE WITH ROTATION-INHIBITING FEATURE - A block and sleeve assembly is disclosed including a holder block, and a hollow sleeve. In radial cross-section, outer peripheral edges of the shoulder portion of the sleeve have a shape of a first polygon. The holder block and the hollow sleeve include cooperating rotation inhibiting features. For example, the holder block includes a stop projecting forwardly past a plane of the front face and positioned radially offset from a circumference of the opening in the holder block to allow a rearward surface of the shoulder portion of the sleeve to contact the front face of the holder block and to prevent rotation of the hollow sleeve greater than N degrees, | 05-12-2011 |
20110103903 | CUTTING TOOL - A tool for chip removing machining, including a primary tool part and a secondary tool part. The primary tool part includes a primary connecting surface, an opposite surface, a recess that extends from the primary connecting surface toward the opposite surface, and a wall section between a bottom surface of the recess and the opposite surface. The secondary tool part includes a secondary connecting surface, a protuberance that extends from the secondary connecting surface and, in a mounted state, into the recess, the protuberance having an end surface that, in the mounted state, faces the bottom surface of the recess. A shaft part is for fixing in a machine tool. A fastening element, which, by a contractive force in the mounted state, connects the wall section with the protuberance. A center axis extends in a longitudinal direction of the tool through the primary tool part, the recess, the secondary tool part, the protuberance, and the shaft part. An insert seat is formed in at least one of the primary tool part and the secondary tool part for receiving a cutting insert. The wall section is elastically flexible and, in the mounted state, bent toward the end surface of the protuberance by the contractive force of the fastening element. | 05-05-2011 |
20110103896 | CUTTABLE DRILLING TOOL, AND A CUTTABLE SELF DRILLING ROCK BOLT - The present invention relates to a drilling tool incorporating first and second ends, a cuttable and/or processable shaft extending between the ends. The first end has a drill bit to penetrate rock. The drill bit and the shaft have complementary threads. The drill bit and the shaft comprise a relative rotation stop means that ensures that the drill bit remains loose during drilling in a first direction. The invention further relates to a self drilling rock bolt, a drill bit, drill shaft and shaft coupling, and an anchoring device per se. | 05-05-2011 |
20110101142 | Distributor plate locking mechanism for vertical shaft impact crusher - A replaceable distributor plate, adapted for protecting a lower horizontal disc of a rotor of a vertical shaft impact crusher, includes a first portion of a bayonet joint, the first portion being adapted for cooperating with a second portion of the bayonet joint, the second portion being associated with the lower horizontal disc. | 05-05-2011 |
20110081209 | SHIM PLATE FOR MILLING TOOLS FOR CHIP REMOVING MACHINING AS WELL AS A MILLING TOOL HAVING SUCH A SHIM PLATE - A shim plate for milling tools for chip removing machining, including an upperside, an underside, and at least one side surface extending between the upperside and the underside and forming an angle≦90° with the upperside. A through hole includes a first section mouthing in the upperside, and a second section mouthing in the underside and having a diameter that is smaller than a diameter of the first section. The upperside at least partially transforms into the side surface via an edge portion configured to be an active auxiliary chip-removing cutting edge upon failure of a cooperating cutting insert. The edge portion includes a chamfer surface that forms an obtuse angle (δ) with the upperside. | 04-07-2011 |
20110067996 | PVD METHOD FOR DEPOSITING A COATING ONTO A BODY AND COATED BODIES MADE THEREOF - A method of making a coated body including a coating and a substrate where, onto said substrate, a coating is deposited, using a PVD deposition process. The coating includes a nitride, carbide, oxide, boride or mixtures thereof, of one or more elements selected from groups IVb, Vb, VIb of the periodic table and Al, Y and Si. The deposition process includes at least one sequence of varying the substrate bias voltage, while maintaining the active targets. The sequence of varying the substrate bias voltage includes a subsequence S | 03-24-2011 |
20110062265 | CAVITY RING FOR A VERTICAL SHAFT IMPACT CRUSHER - A vertical shaft impact crusher includes a rotor for accelerating a first flow of material to be crushed, a first feed element for feeding the first flow of material to the rotor, a housing including a circumferential impact wall section against which the accelerated first flow of material may be crushed, and a second feed element for feeding a second flow of material towards a distributing wall section of the housing and further into the path of the accelerated first flow of material. A cavity ring separates the impact wall section from the distributing wall section. The cavity ring includes at least two ring segments. Supports are provided for supporting the ring segments. A locking device is provided for pressing the ring segments towards at least one of the supports. | 03-17-2011 |
20110008199 | SINTERING FURNACE AND METHOD OF MAKING CUTTING TOOLS - The present invention relates to a method of making cutting tools comprising a substrate having a hard phase and a binder phase, the method comprising forming green powder compacts using powder metallurgical techniques, charging the green powder compacts, placed on one or several trays, in a furnace and sintering the green powder compacts wherein the furnace comprises an insulation package, at least three individually controlled heating elements located inside the insulation package including a vertical heating element, an upper horizontal heating element arranged in an upper part of the furnace, and a lower horizontal heating element arranged in a lower part of the furnace, wherein operating the at least three heating elements such that an average controlled cooling rate from a sintering temperature down to at least a solidification temperature of the binder phase is 0.1-4.0° C./min, and a sintering furnace operable to obtain a controlled cooling rate. | 01-13-2011 |
20110006588 | ADAPTIVE SLEEVE RETAINER FOR TOOL PICK - A tool pick assembly is provided for insertion in a first bore having a first diameter. The tool pick assembly includes a tool pick having a shank with a diameter sized for receipt in a second bore having a second diameter, the second diameter being smaller than the first diameter, an adaptive sleeve retainer having a thickness for stably supporting the shank of the tool pick in the first bore, and a washer for compressing the adaptive sleeve retainer to aid insertion into the first bore. The adaptive sleeve retainer is configured to spring radially outward to retain the tool pick in the first bore. A push out force for pushing the tool pick out from the first bore is approximately ±10% of a push out force for pushing out from the first bore a tool pick having a shank with a diameter sized for receipt in the first bore. | 01-13-2011 |
20110006143 | Gyratory crusher - A gyratory crusher includes a crushing head, which is arranged rotatably on a substantially vertical shaft and on which a first crushing shell is mounted, and a frame, on which a second crushing shell is mounted, which second crushing shell, together with the first crushing shell, delimits a crushing gap. A supporting piston is arranged inside a cavity of the shaft, which supporting piston is displaceable in the vertical direction in order to adjust the width of the crushing gap. An eccentric is, by means of at least one radial bearing, arranged rotatably about the shaft. The gyratory crusher has an oil line, arranged in the cavity and extending through a piston plate included in the supporting piston, for supplying lubricating oil to a lubricating oil chamber configured at least partially in the cavity above the piston plate, the lubricating oil chamber being connected to the radial bearing by a duct arranged in the shaft. | 01-13-2011 |
20110002749 | COATED CUTTING TOOL INSERT - A coated cutting tool includes a coating and a substrate. The substrate is at least partly coated with a 4-10 μm thick coating comprising two adjacent Ti(C,N)-layers where the difference (Δ) between the residual stress state of the inner layer and the residual stress state of the outer layer is 1000 MPa≦Δ≦2500 MPa, on at least a part of the cutting edge and/or on at least a part of the rake face. A method to produce such a difference between the residual stress states is also disclosed. | 01-06-2011 |
20100329800 | TOOL FOR CHIP REMOVING MACHINING AS WELL AS A SOLID INDEXABLE CUTTING INSERT AND A SOLID BASIC BODY THEREFOR - A tool for chip removing machining, including a basic body having an insert seat, and an indexable cutting insert fixed in the seat. The insert includes an upperside, an underside, a pair of side contact surfaces, two cutting edges that individually extend along a chip surface included in one of the upperside and underside, at least two heads that are spaced-apart via an intermediate part and individually include a front portion having at least one cutting edge and a rear portion along which the pair of side contact surfaces are formed. The insert seat of the basic body includes a central hollow space, and a front cavity and at least one rear cavity in which the heads of the cutting insert are housed, the front cavity including a pair of side support surfaces against which the pair of side contact surfaces of the cutting insert are pressed when a tightening element pulls the head rearward toward the side support surfaces. The basic body is solid by being formed integrally of steel material. The seat is countersunk in the basic body such that the side support surfaces are integrated in the steel material. The cutting insert is formed integrally from a second, hard-wearing material having at least the same hardness as cemented carbide, the pair of side contact surfaces of the insert being integrated in the second material. | 12-30-2010 |
20100327193 | SHUTTER SYSTEM - The present invention relates to a shutter system operable between an open position, and a closed position operable to avoid unintended exposure of a surface to radiant flux, wherein said shutter system comprises at least one pair of shields, and an axis for each shield, wherein a first axis is connected to an end part of a first shield, and coincides with the turning axis of the first shield, wherein a second axis, in the shape of an angled arm, is connected to an end part of a second shield and the turning axis of the second shield is parallel to the turning axis of said first shield and is arranged at a distance from the second shield. | 12-30-2010 |
20100327093 | METHOD FOR CONTROLLING PROCESS PARAMETERS OF A CONE CRUSHER - A crushing and reducing device, especially cone crushers, used in the building and ore-dressing industries. A method of controlling the operation of a cone crusher having an internal cone connected to an unbalanced vibrator, and an external cone. The method includes utilizing a measurement plane being connected to the internal cone, measuring distances between the measurement plane and a frame of the crusher, and calculating an angle of inclination of the inner cone. The method further includes controlling, based on the calculated angle of inclination of the inner cone, at least one parameter chosen among: the angle of inclination of the inner cone, and the size of a discharge gap between the internal cone and the external cone. | 12-30-2010 |
20100322731 | ROTATABLE TOOL FOR CHIP REMOVING MACHINING AS WELL AS A LOOSE TOP THEREFOR - A rotatable tool for chip removing machining, including a basic body having front and rear ends between which a first center axis (C | 12-23-2010 |
20100322729 | DRILLING TOOL FOR CHIP REMOVING MACHINING AS WELL AS A LOOSE TOP AND A BASIC BODY THEREFOR - A loose top for drilling tools, including front and rear ends, a pair of envelope part surfaces concentric with a center axis, and two chip flutes countersunk in relation to the pair of envelope part surfaces between which two bars project radially from a central core, the front end including a cutting edge and at least one clearance surface positioned rotationally behind the cutting edge, the rear end forming an axial contact surface. The loose top includes two opposite side contact surfaces against which elastically bendable branches of a tool basic body are pressed in use, a pair of convex guide surfaces situated axially behind the side contact surfaces, the guide surfaces being concentric with the center axis and radially spaced-apart from the center axis at a distance that is less than the radial distance between the center axis and a respective side contact surface, and a pair of torque-carrying tangential contact surfaces that are situated radially inside the envelope part surfaces and outside the side contact surfaces. The axial contact surface extends perpendicular to the center axis between borderlines adjacent to the two envelope part surfaces. | 12-23-2010 |
20100322728 | DRILLING TOOL FOR CHIP REMOVING MACHINING AS WELL AS A LOOSE TOP THEREFOR - A drill of the loose top type, which is composed of a basic body and a replaceable loose top. In the front end of the basic body, a jaw is formed, which is delimited by two elastically bendable branches and an intermediate axial support surface, and in which the loose top can be securely pinched by inner support surfaces of the branches being resiliently pressed against side contact surfaces of the loose top. The two side contact surfaces of the loose top extend rearward from clearance surfaces that are included in the front end of the loose top. By forming the diametrical dimension between opposite side contact surfaces greater nearer the front end of the loose top, the branches of the jaw securely pinch the loose top in the area of the front ends thereof, where the branches have their maximal bending capacity. | 12-23-2010 |
20100322727 | DRILLING TOOL OF THE LOOSE TOP TYPE - A drilling tool of the loose top type includes a basic body having two bendable branches having inner support surfaces that are resiliently pressable against side contact surfaces of a replaceable loose top. The mounting of the loose top is affected by turning-in from an initial position to an operative end position. An abutting edge along each side contact surface then bends out the branches and subjects the branches to a spring force that reaches a maximum in a dead position so as to then decrease somewhat up to the operative end position. During the final phase of the rotary motion, the operator obtains, in a tactile and/or auditory way, confirmation of the loose top indeed reaching its operative end position. | 12-23-2010 |
20100319993 | DOWNHOLE TOOL LEG RETENTION METHODS AND APPARATUS - A back reamer includes a drive stem configured to support a main reamer body, the main reamer body including a plurality of receptacles, and a plurality of cutting leg assemblies in positive locking engagement with the plurality of receptacles to restrict radial movement of the cutting leg assemblies. | 12-23-2010 |
20100316522 | DUPLEX STAINLESS STEEL ALLOY AND USE OF THIS ALLOY - The present invention relates to a duplex stainless steel alloy containing in weight-%: C max 0.03%, Si<0.30%, Mn 0-3.0%, P max 0.030%, S max 0.050%, Cr 25-29%, Ni 5-9%, Mo 4.5-8%, W 0-3%, Cu 0-2%, Co 0-3%, Ti 0-2%, Al 0-0.05%, B 0-0.01%, Ca 0-0.01%, and N 0.35-0.60%, balance Fe and normal occurring impurities, wherein the ferrite content is 30-70 volume-%, and wherein each weight-% of Mo above may optionally be replaced by two (2) weight-% W. | 12-16-2010 |
20100296889 | Device and method for milling of materials - Device and method for milling of materials including a milling cutter body including a first end portion and an opposite second end portion. The first end portion is connected to a rotatable spindle and the second end portion is provided with at least one cutting edge. The milling cutter body defines a longitudinal axis and is provided with an axial recess, wherein at least one mass element is arranged in the recess. The axial position of the mass element in relation to the milling cutter body is tuned by use of tuning members included in the device for the tuning of the natural frequency of the device. The mass element is axially locked in relation to the milling cutter body by use of lock members included in the device, in order to optimize the natural frequency of the device for the milling operation in question. | 11-25-2010 |
20100294472 | USE OF A DUPLEX STAINLESS STEEL IN A PHOSPHORIC ACID PRODUCTION SYSTEM - The present disclosure relates to the use of a duplex stainless steel as heat exchanger material in a phosphoric acid production system using the wet method. The steel has the following composition in percent by weight: C max 0.03 Si max 0.5 Mn max 3 Cr 26-29 Ni 4.9-10 Mo 3-5 N 0.35-0.5 B max 0.0030 Co max 3.5 W max 3 Cu max 2 Ru max 0.3 balance Fe and normal occurring impurities. | 11-25-2010 |
20100290499 | ELECTRIC HEATING DEVICE - Electric heating device comprising a radiant tube and an electrical heating element arranged in the radiant tube as well as a protective insert of electrically conductive material. The protective insert is arranged between the radiant tube and the electrical heating element. The device allows the use of higher element power. | 11-18-2010 |
20100289194 | THE USE AND METHOD OF PRODUCING A DISPERSION STRENGTHENED STEEL AS MATERIAL IN A ROLLER FOR A ROLLER HEARTH FURNACE - A roller for a roller hearth furnace comprising a dispersion strengthened steel is disclosed. The roller does not require any coating or reconditioning. | 11-18-2010 |
20100278208 | FASTENING MEANS FOR TERMINALS FOR ELECTRICAL RESISTANCE ELEMENTS - A suspension arrangement for terminals for electrical resistive elements, which terminals pass vertically through a body and are attached relative to the upper surface of the body, which terminals pass over into the hot zone of the resistive element in the form of a shank element, which extends downwards from the terminals, where one or several of the shanks of the hot zone is or are supported by hooks attached to the lower surface of the body. The suspension arrangement for each one of the terminals includes a first attachment attached relative to the upper surface of the body and a second attachment attached relative to the terminal. A spring arrangement passes between the first and the second attachment, which spring arrangement is arranged such that the second attachment is mobile in the vertical direction relative to the first attachment. | 11-04-2010 |
20100270409 | Gyratory crusher, outer shell intended therefore and methods for mounting and dismounting the outer shell - A gyratory crusher has an outer shell, which is attachable in a frame having a frustoconical supporting surface, which is facing obliquely downwards and inwards. The outer shell has on the outer surface a collar, which has outer lugs, which are movable, from below, past the supporting surface and between inner lugs of a ring. The inner and outer lugs have mutually corresponding contact surfaces, which are adapted, by relative rotation of the ring and the outer shell, to be positioned opposite each other and, upon lifting of the ring, to lift also the outer shell so that a lower portion of the outer shell abuts the supporting surface of the frame. The contact surfaces of the inner and outer lugs are arranged such that lifting of the ring causes the outer lugs to be lifted by means of the inner lugs and brings the inner and outer lugs into radial abutment against each other. | 10-28-2010 |
20100252326 | MODULAR SYSTEM FOR A BACK REAMER AND METHOD - A modular back reamer to be used in subterranean drilling includes a drive stem connected to a drill string and configured to support a reamer body, the reamer body providing a plurality of receptacles, wherein the receptacles are configured to retain a cutting leg assembly at varying heights within a predetermined range, and a plurality of shims engaged within the receptacles to secure the cutting leg assemblies at a specified height within the predetermined range, wherein the cutting leg assembly is secured to the reamer body with at least one mechanical fastener. | 10-07-2010 |
20100215446 | ROTATABLE TOOL FOR CHIP REMOVING MACHINING AS WELL AS A CUTTING INSERT THEREFOR - A cutting or milling insert for rotatable tool for chip removing machining and of the type that comprises a cutting edge in a transition between a front chip surface and a clearance surface extending rearward from the same. Remotely behind the first-mentioned cutting edge, a second cutting edge is formed in a transition between, on one hand, a second chip surface behind the first clearance surface, and, on the other hand, a trailing second clearance surface. The spacing between opposite sections of the front cutting edge is greater than the corresponding spacing between opposite sections of the second or rear cutting edge, the cutting edge angle (α) of at least the front cutting edge being acute. A rotatable cutting tool, which is equipped with the cutting or milling insert is also provided. | 08-26-2010 |
20100209202 | METHOD OF MILLING BALL RACES AND SIDE MILLING CUTTER FOR BALL RACES - The present invention concerns a method of milling ball races which are of an approximately elliptical profile which has a first semi-axis extending substantially perpendicularly to the base of the ball race and a second semi-axis extending perpendicularly to the first semi-axis and perpendicularly to the longitudinal direction of the ball race, wherein a side milling cutter is used to produce the ball race, the peripheral cutting edges of which produce the elliptical profile of the ball race, wherein the cutting edges of the side milling cutter in a section containing the axis of the milling cutter are also of an elliptical profile whose first semi-axis extends perpendicularly to the milling cutter axis and whose second semi-axis extends parallel to the milling cutter axis. To provide a method of milling ball races and a corresponding side milling cutter which on the one hand also permit the production of ball races in ball hubs of VL joints on relatively simpler machining centers, while on the other hand there is also to be the possibility of varying the profile of the ball races produced, with one and the same milling cutter, it is proposed according to the invention that the ratio of the second semi-axis b′ relative to the first semi-axis a′ of the cutting edges is greater than the ratio of the second semi-axis relative to the first semi-axis in the case of the ball race to be produced, wherein the axis of the side milling cutter in projection on to the portion of the hall race, disposed with the cutting edges of the milling cutter, includes a setting angle different from 0° with the second semi-axis of the ball race profile. | 08-19-2010 |
20100194176 | RADIAL TOOL WITH SUPERHARD CUTTING SURFACE - A non-rotating mining cutter pick has a shank portion with a non-circular cross-section, a head portion including a tip region distal from the shank portion, a shoulder portion separating the shank portion from the head portion, and a cutting insert mounted at a front end of the tip region. The cutting insert includes a body formed of tungsten carbide and an element formed of a superhard material, such as PCD or other material having a prescribed knoop hardness. At least a portion of a first surface of the element is exposed on a cutting surface of the cutting insert, which improves wear properties of the mining cutter pick. The element is fused to the body of the cutting insert, preferably in a high pressure-high temperature (HPHT) process. A method of manufacture and a cutting machine incorporating the non-rotating mining cutter pick on the rotatable element are also disclosed. | 08-05-2010 |
20100193504 | ELECTRICAL HEATING ELEMENT FOR VERTICAL INSTALLATION - An electrical heating element for vertical installation, includes vertically suspended electrical resistance elements for heating furnaces in industrial operation, each element having conductive legs, where along the length of the element there are placed ceramic disks provided with holes, through which holes the relevant legs of the element pass, where the ceramic disks are arranged between ceramic tubes and where an upper metallic central rod is positioned within the ceramic tubes, which central rod supports the element and where the element is surrounded by a radiative tube. There are a number of upper ceramic tubes outside of the upper central rod, with intermediate ceramic disks. The central rod extends a certain distance down into the radiative tube. A number of lower ceramic tubes with intermediate ceramic disks are positioned outside of a lower central rod. | 08-05-2010 |
20100192345 | RETAINING CLIP INSTALLATION AND REMOVAL TOOL - A hand tool which features a self-aligning recessed seating feature for easy installation of retaining clips onto the groove of the shank of mining and trenching picks. The location and orientation toward the first end of the body of the tool of the recessed seating feature allows for easy installation from either the left or right side of the holder. The tool includes two prongs located at the same end of the tool as the recessed seating feature. The end surfaces of the two prongs correspond in shape and/or orientation to the contact surfaces of a retaining clip to improve removal of retaining clips from the groove of the shank of mining and trenching picks. | 08-05-2010 |
20100183900 | METHOD FOR PRODUCING PVD COATINGS - The present invention relates to a method of producing coatings of metal oxide, nitride or carbide or mixtures thereof, whereby operating a High Power Impulse Magnetron Sputtering, HIPIMS, discharged on one or more target (s) ( | 07-22-2010 |