Class / Patent application number | Description | Number of patent applications / Date published |
072252500 | Roller or roller-like tool-element of particular configuration | 46 |
20080276680 | Milling Device for Inline Rolling a Steel Band Produced Especially by Means of a Twin-Roll Continuous Casting Process - Disclosed is a milling device for inline-rolling a steel band which is produced especially by means of a twin-roll continuous casting process. Said milling device comprises at least two rolling units ( | 11-13-2008 |
20090205390 | Cold rolling method for manufacturing a profile - A cold rolling method for manufacturing a profile ( | 08-20-2009 |
20090217728 | Roll, Rolling Mill and Rolling Method - To provide a roll, a rolling mill and rolling method capable of not only effectively correcting the plate crown of a material to be rolled but also reducing the edge drop and preventing a roll from damage caused by the increase of the local line pressure between the rolls. | 09-03-2009 |
20090301158 | Method for folding an edge of a sheet component in particular a sheet component of a motor vehicle chassis - According to the invention, folding a sheet edge at high folding speed with no faults may be achieved, wherein a conically contoured folding roller is used with an inclined attitude to the direction of movement thereof, firstly engaging the edge of the sheet for folding with the front region of the largest diameter thereof and then continuously folding the edge of the sheet until contact is made with the limiting part of the sheet component continuously over the conical region until the region of the smallest diameter thereof is reached. | 12-10-2009 |
20090314047 | ROLLING MILL STAND FOR THE PRODUCTION OF ROLLED STRIP OR SHEET METAL - A rolling mill stand for the production of rolled strip or sheet metal includes working rolls which are supported on respective supporting rolls or on intermediate rolls which are supported on supporting rolls. At least one of the rolls having a barrel contour which runs over the entire effective barrel length and can be described by a non-linear function. The barrel contour of this at least one roll having chamfers in at least one of the marginal regions of its longitudinal extent and the chamfers forming a corrected barrel contour in these marginal regions, so that inhomogeneities in the load distribution along the contact line of two adjacent rolls, and in particular in the region of the edges of the strip, are minimized. The corrected barrel contour is obtained by subtracting any non-linear mathematical chamfer function from the contour function described by the non-linear function, so that the pitch of the barrel contour and the pitch of the corrected barrel contour at a transition point from the barrel contour to the corrected barrel contour are identical. | 12-24-2009 |
20100024507 | Rolling Mill and Roll Thereof - A roll coupled to a separately manufactured axle rotates together with the axle in order to perform a rolling process. The roll includes an inner cylindrical surface, an outer cylindrical surface and both side faces, and at least one key way provided on at least one of the side faces is arranged adjacent to the inner cylindrical surface rather than said outer cylindrical surface, The key way is in a concave curved shape and is a portion of a spherical surface or of an ellipsoidal surface. | 02-04-2010 |
20100024508 | TUBES AND METHOD AND APPARATUS FOR PRODUCING TUBES - A system and method for producing flat tubes is described and illustrated. The flat tubes can be produced from at least one strip of endless band material having at least one wall part and an inner part formed with corrugations on a roller train provided with roller pairs, with the strip running in a longitudinal direction through the rollers and being shaped. The inner part of the flat tube can be formed with corrugations placed between the shaped wall parts, after which the closure of the flat tube is carried out. Production of the flat tubes can include forming spaced apart band thinning lines running in the longitudinal direction of the strip, and forming corrugation peaks and corrugation troughs at the band thinning lines. | 02-04-2010 |
20100031724 | ROLLING MILL STAND FOR THE PRODUCTION OF ROLLED STRIP OR SHEET METAL - A rolling mill stand for production of rolled strip or sheet metal has working rolls which are supported on supporting rolls or on intermediate rolls and supporting rolls. The working rolls and/or intermediate rolls are arranged in the rolling mill stand so as to be displaceable axially with respect to one another. Each working and/or intermediate roll has a curved barrel contour which runs over the entire effective barrel length and can be described by a trigonometric function. The two barrel contours of adjacent rolls complete one another in a complementary way, in the unloaded state, solely in one specific relative axial position of the rolls of the pair of rolls, so that inhomogeneities in the load distribution along the contact line of two adjacent rolls are to be minimized. For this purpose, the supporting rolls have a complementary barrel contour, and a partial or full completion of the barrel contours of the supporting rolls and of the directly adjacent working rolls or intermediate rolls occurs in the unloaded state. | 02-11-2010 |
20100031725 | Grooved roll for a reducer and a reducer - A pipe in which polygonization is substantially eliminated is manufactured by a reducer with a grooved roll with a groove having a groove bottom zone including the center of the groove in the roll axial direction and flange zones adjoining both sides of the groove bottom zone. The groove surface has a friction distribution in the roll axial direction such that the frictional force with respect to a material being rolled in the groove bottom zone is larger than the frictional force with respect to a material being rolled in the flange zones. This friction distribution can be achieved by working the groove surface so that the surface roughness of the groove bottom zone becomes greater than the surface roughness of the flange zones or by applying a lubricity modifier which differs with respect to amount and/or type between the groove bottom zone and the flange zones. | 02-11-2010 |
20100064755 | METHOD AND DEVICE FOR MACHINING A TOOTHING ON A SINTERED PART - The invention describes a method of machining a toothing ( | 03-18-2010 |
20100095729 | Rounding System and Method Used in the Manufacture of Conical or Cylindrical Structures - A can rounding system and method that uses arms that are able to maintain cans in a concentric arrangement during the welding process. The arms enable the can rounding system to maintain the concentric positions in order to achieve improved circular dimensions and increase the overall efficiency in the construction of cylindrical and conical structures, such as wind towers. | 04-22-2010 |
20100242561 | EDGE CURLING TOOL - A roll-flanging tool, including a bearing structure comprising a connection means, by means of which the tool can be connected via a connection plane to an actuator which can be moved spatially. A first arm and a second arm are spread apart from each other and connected to each other in a connection portion which comprises the connection means. A first flanging roller is mounted on an end of the first arm which faces away from the connection plane, such that it can be rotated about a first rotational axis which extends along the first arm and pierces the connection plane. A second flanging roller is mounted on an end of the second arm which faces away from the connection plane, such that it can be rotated about a second rotational axis. The first rotational axis intersects or crosses a perpendicular dropped onto the second rotational axis, in or on the roll-flanging tool. | 09-30-2010 |
20110138871 | Circular rolling mill with shaping roller - This circular rolling mill ( | 06-16-2011 |
20110192209 | SHEET MATERIAL - A sheet of cold rolled material having on both of its surfaces rows of projections and rows of depressions, the projections on one surface corresponding with the depressions on the other surface, the relative positions of the projections and depressions being such that lines drawn on a surface of the sheet between adjacent rows of projections are non-rectilinear, the sheet having a base gauge G, wherein each projection has a substantially continuous region of peak plastic strain at, toward or about its apex and/or is thinned by no more than 25% of its base gauge G. Methods of forming the sheet material and tools for forming the sheet material are disclosed. | 08-11-2011 |
20120000264 | SHEET MATERIAL - A sheet of cold rolled material having on both of its surfaces rows of projections and rows of depressions, the projections on one surface corresponding with the depressions on the other surface, the relative positions of the projections and depressions being such that lines drawn on a surface of the sheet between adjacent rows of projections are non-rectilinear, the sheet having a base gauge G, wherein each projection has a substantially continuous region of peak plastic strain at, toward or about its apex and/or is thinned by no more than 25% of its base gauge G. Methods of forming the sheet material and tools for forming the sheet material are disclosed. | 01-05-2012 |
20120260711 | ROLLER HEMMING PROCESSING SYSTEM - Hemming dies can be mounted on the respective two clamping jigs ( | 10-18-2012 |
20130186161 | ROLL PEENING TOOLING AND PROCESS - An example peening tool includes at least one first roller having a peening surface disposed about and along a first core. At least a portion of the at least one first roller is configured to contact a component to be peened along a length. The length extends along at least a portion of the first core. The at least one first roller is configured to provide line contact on the component along the length. A profile of the at least one first roller is determined based on a profile of the component. The peening tool includes a backer disposed in register with the first plurality of rollers such that the first plurality of rollers moves with the backer during peening. The at least one first roller and the backer are configured to be arranged on opposing surfaces of the component. Peening models may predict peening parameters and controller settings. | 07-25-2013 |
20130247639 | ROLLER HEMMING DEVICE - Disclosed is a roller hemming device, which is capable of excellent hemming even when a subject to be hemmed is located in a relatively narrow place, and reducing maintenance frequency. Specifically disclosed is a roller hemming device, which includes a preliminary bending roller for performing preliminary bending of a work, a final bending roller for performing final bending of the work, and an arm for setting attitudes of the preliminary bending roller and the final bending roller at desired positions and angles. The preliminary bending roller has an axis inclined with respect to a horizontal direction and is arranged at such a position not to come in contact with the work during the final bending. The final bending roller is formed in a circular truncated cone, has an axis which is inclined with respect to the horizontal direction so that, during the final bending, a large diameter surface thereof faces toward the work and a processing surface thereof is horizontally positioned, and is arranged at such a position not to come in contact with the work during the preliminary bending. The preliminary bending roller and the final bending roller are arranged along a top-bottom direction, each having a processing point located in a vicinity of an axis of the arm. | 09-26-2013 |
20130276500 | ROLLER HEMMING DEVICE - Disclosed is a roller hemming device capable of maintaining performance to hem a work at low cost. Specifically disclosed is a roller hemming device for performing preliminary bending to a work placed on a bottom die along a guide surface formed on the bottom die, which includes a roller for hemming the work, and a guide member protruding radially outward from the outer circumferential surface of the roller. The guide member is in contact with the guide surface of the bottom die during the preliminary bending. | 10-24-2013 |
20130319063 | MACHINING METHOD AND MACHINING TOOL FOR MACHINING A CURVED WORKPIECE SURFACE, AND WORKPIECE - In a machining method for machining a curved workpiece surface ( | 12-05-2013 |
20140041433 | ROLLING TOOL ASSEMBLIES FOR CRANKSHAFT ROLLING MACHINES - A rolling tool assembly is provided that has a generally three-piece housing construction including a main, generally C-shaped body or frame member and a pair of opposing side plate members, that are fastened together to close off the open sides of the generally C-shaped body member for forming an interior space into which the remaining components of the rolling tool assembly can be mounted. In one alternative, the body member is made to be of a standard size with the side plate members being custom-made so that the side plate members vary in predetermined dimensions thereof to correspond to the size of the crankshaft bearing to be rolled. In another alternative, the side plate members are made to be of standard size while the body member is custom-made to vary in predetermined dimensions thereof to correspond to the size of the crankshaft bearing to be rolled. | 02-13-2014 |
20140083153 | STRAIGHTENER - A straightener for straightening a metal strip and/or flat metal parts, having a number of lower straightening rolls which are mounted in a lower roll frame and a number of upper straightening rolls which are mounted in an upper roll frame. Stay bolts connect the upper and lower roll frame at a preselectable spacing, the stay bolts being assigned adjusting apparatuses for changing an effective length of the stay bolts, which effective length defines the preselectable spacing, and for compensating for changes in the effective length during operation. The adjusting apparatuses include a mechanically movable sliding wedge which changes the effective length of the stay bolts. | 03-27-2014 |
20140109642 | ROLL ARRANGEMENT HAVING A DEVICE FOR REGULATING THE ROLL NIP, AND METHOD FOR REGULATING THE ROLL NIP IN A ROLL ARRANGEMENT - A roll arrangement having a device for regulating the roll nip, comprising a roll pair which consists of an upper roll and a lower roll, between which a roll nip is formed, wherein each roll is provided with two roll journals which lie axially diametrically opposite one another; at least two bearing blocks for each roll journal, wherein one or more bearings are received in a bearing block; and a bearing block, which lies in each case on the outside on the roll journal, in a clamping latch which has a first lever arm and a second lever arm, wherein the second lever arm of the respective clamping latch of the upper roll and the second lever arm of the respective clamping latch of the lower roll are connected to one another via a first actuating element; mutually corresponding bearing jewels and clamping latches of the upper roll and the lower roll lie opposite one another; and a controller which acts on the first and the second actuating element, is characterized in that the bearing block which lies in each case on the inside on the roll journal is arranged in a bearing jewel, and the first lever arm of the clamping latch of the upper roll and the first lever arm of the clamping latch of the lower roll are connected rigidly to one another, and bearing jewels, which lie opposite one another, of the upper roll and the lower roll are connected to one another via the second actuating element. | 04-24-2014 |
20140150514 | ROLLER HEMMING - Methods and apparatuses for roller hemming are disclosed herein. An example of a sheet metal roller hemming apparatus includes a first electrode to electrically connect to an electrical power supply and a sheet metal workpiece. The apparatus further includes a second electrode to electrically connect to the electrical power supply and the sheet metal workpiece to cause pulsed electric current to flow through a portion of the workpiece to locally increase formability in the portion of the workpiece. The apparatus still further includes a roller assembly to contact the workpiece to cause the workpiece to bend in the portion of the workpiece when the pulsed electric current is flowing through the portion of the workpiece, and to form a hem. | 06-05-2014 |
20140182346 | ROLL-HOLDER CARTRIDGE FOR A ROLLING MILL - The present invention relates to a roll-holder cartridge for a rolling mill | 07-03-2014 |
20140230513 | ROLLING STAND FOR TUBES OR ROUNDS - A rolling stand for tubes or rounds comprising two or more rolls ( | 08-21-2014 |
20140260485 | Panel Crimping Machine with Control System for Controlling Timing Between Crimping Rollers with an Adjustable Separation - A panel crimping apparatus comprises a frame, a first crimping roller supported by the frame, the first crimping roller comprising a first shaft, a plurality of first crimping blades, and a first drive gear attached to the first shaft, and a second crimping roller supported by the frame, the second crimping roller comprising a second shaft, a plurality of second crimping blades, and a second drive gear attached to the second shaft. A distance between the first and second shafts of the first and second crimping rollers is adjustable. The apparatus comprises various links, gears and a control linkage configured to maintain timing between the first and second crimping rollers during driving of the first and second crimping rollers over an adjustable range of distance therebetween. | 09-18-2014 |
20140260486 | FOIL CONFIGURING DEVICE - A device for configuring foil for use in cooking food comprising a base portion comprising first and second portions, the second portion pivoting relative to the first portion; a first plurality of rotatable elements operatively associated with the first portion; and a second plurality of rotatable elements operatively associated with the second portion; the first portion operating to pivot relative to the second portion for entry of foil therebetween; the first and second plurality of rotatable elements operating to configure foil as the foil passes between the first and second plurality of rotatable elements. | 09-18-2014 |
20140345353 | CENTRIFUGALLY CAST COMPOSITE ROLL FOR HOT ROLLING AND ITS PRODUCTION METHOD - A centrifugally cast composite roll for hot rolling comprising an outer layer having a composition comprising by mass 0.8-3.5% of C, 0.1-2.5% of Si, 0.1-2.5% of Mn, 1.2-15% of Cr, 1-5% of Ni, and 1-10% of Mo+0.5×W, the balance being substantially Fe and inevitable impurities, and an inner layer made of an iron-based alloy and integrally fused to the outer layer; the outer layer having Shore hardness of 67-82 at the initial diameter of the composite roll; and the maximum Shore hardness of the outer layer in a range 30 mm or more deep from the initial diameter being higher by 1 or more than the Shore hardness of the outer layer at the initial diameter. | 11-27-2014 |
20140352384 | Lamination Cylinder - A lamination cylinder includes a surface structure, on which a plurality of craters is defined having a different geometry and a random distribution. Some of the craters are partially superimposed with respect to each other. | 12-04-2014 |
20150033816 | Double Ended Hemming Roller - A hemming roller | 02-05-2015 |
20150082850 | TOOL AND METHOD FOR MAKING A BRAKE DISK - The present invention in one or more embodiments provides a roller tool for roughening a friction ring of a brake disk, the roller tool including a roller body including inner and outer ends and a casing surface positioned there-between, the inner end differing in cross-section dimension than the outer end, the casing surface including thereupon one or more protrusions for contacting the friction ring. The roller tool may further include a support frame supporting the roller body. The support frame may include a short leg connected to the outer end of the roller body and a long leg connected to the inner end of the roller body. | 03-26-2015 |
20150121984 | ROLLER HEMMING DEVICE AND ROLLER HEMMING METHOD - A roller hemming device includes a large diameter roller having a large tapered surface and a small diameter roller having a small cylindrical surface. The small diameter roller is coaxially disposed with the large diameter roller. The small diameter roller and the large diameter roller enable to relatively move in an axial direction. The outer diameter of the small cylindrical surface is smaller than the minimum outer diameter of the large tapered surface. | 05-07-2015 |
20150343504 | ROLL ARRANGEMENT - The invention relates to a roll arrangement for use in metallurgical technology, comprising a roll that has a roll barrel ( | 12-03-2015 |
20150360268 | Roller-Press Apparatus - The present disclosure provides a roller-press apparatus, which comprises: an unwinding mechanism around which an electrode plate to be rolled is wound, the electrode plate has a foil and a coating layer, the foil has at least a coated area and a blank foil area, the foil is provided with the coating layer at the coated area and is not provided with the coating layer at the blank foil area; a rolling mechanism; and a stretching mechanism. The stretching mechanism comprises: two guide rollers; and an uneven roller positioned between the two guide rollers, and forming a wrap angle with the two guide rollers, the uneven roller matches the electrode plate in size to allow a protruding portion of the uneven roller to act on the foil at the blank foil area, so as to allow the foil at the blank foil area to be plastically deformed. | 12-17-2015 |
20150367458 | ROLLING TOOL DEVICE - The present invention proposes a rolling tool device for compression rolling of, in particular, blade elements of a rotor area of a jet engine with a tool carrier to which two pliers-type bodies are rotatably connected, with the pliers-type bodies each being provided with a rolling area. A distance between the rolling areas is variable in dependence of a rotary movement of the pliers-type bodies. A separate spacer device is provided by means of which a minimum distance between the rolling areas can be defined. | 12-24-2015 |
20150367459 | ROLLING TOOL DEVICE - The present invention proposes a rolling tool device for compression rolling of, in particular, blade elements of a rotor area of a jet engine provided with a tool carrier to which two pliers-type bodies are rotatably connected about a joint pivot bearing relative to the tool carrier. The pliers-type bodies are each provided with a rolling area, and a distance between the rolling areas is variable in dependence of a rotary movement of the pliers-type bodies. The pliers-type bodies in the zone of the rolling areas are each provided with a part, where main axes of the parts have an extension component in the direction of a rotary axis of the pivot bearing. | 12-24-2015 |
20160038983 | TITANIUM CAST PRODUCT FOR HOT ROLLING AND METHOD FOR MANUFACTURING SAME - There is provided a titanium cast product for hot rolling composed of commercially pure titanium, the titanium cast product including: a microstructural refinement layer having acicular microstructure on an outermost layer of a surface layer to be rolled; and an inside microstructural refinement layer having acicular microstructure provided in an inside of the microstructural refinement layer. Cast solidification microstructure is present more inward than the inside microstructural refinement layer. The microstructural refinement layer has finer microstructure than the inside microstructural refinement layer. The microstructural refinement layer is present in a range of a depth of 1 mm or more and less than 6 mm from the surface. The inside microstructural refinement layer is present in an inside of the microstructural refinement layer in a range of a depth of 3 mm or more and 20 mm or less from the surface. | 02-11-2016 |
20160045944 | SEALING DEVICE AND ROLL ARRANGEMENT - The invention relates to a sealing device for installation in a roll arrangement between the roll journals of a roll and chock. The sealing device has an annular main body having sealing rims that extend radially outwards. Furthermore, the sealing device has an annular reinforcement element having a strip-like section which coaxially surrounds the main body on the outer side thereof. In order to ensure the dimensional stability and thus also the function of the sealing device even after the installation thereof in the roll arrangement, that is to say after said sealing device has been pushed onto the frustroconical roll journals, the reinforcement element according to the invention has, in addition to the coaxial strip-like section, at least one flange which is connected thereto and is connected to the sealing rim. Furthermore, the invention relates to said roll arrangement. | 02-18-2016 |
20160059287 | Roller with Compound Angle Flange - An inner roller used for roll forming pipe elements has a flange extending radially from a body. The flange has a surface divided into annular surface portions. The surface portions have orientation angles measured relatively to the axis of rotation of the inner roller. The orientation angles of surface portions farther from the body have greater orientation angles than the surface portions nearer to the body to mitigate adverse frictional effects between the pipe element and the flange during roll forming. | 03-03-2016 |
20160067754 | THREE-ROLLING STAND WITH LATERAL CHANGE - A method and a device for releasing a tube during a rolling process in a three-roll rolling stand in case of an emergency. The roll holder cartridge ( | 03-10-2016 |
20160107212 | METHOD FOR CHANGING THE CONFIGURATION OF A ROLLING MILL AND ROLLING MILL FOR THE IMPLEMENTATION OF SAID METHOD - A method for changing the configuration of a rolling mill of the six-high type in which the rolling mill is changed from a first configuration (C | 04-21-2016 |
20160121381 | ALUMINUM BAR AND PRODUCTION METHOD THEREOF - A production method of an aluminum bar includes a surface pressing step of pressing a surface of an aluminum bar with pressure rollers. A pressing force of the pressure rollers in the surface processing step is set within a range of 1.5 Fc to 4.0 Fc, where, in a relationship between a pressing force of the pressure rollers to the aluminum bar and a straightness of the aluminum bar, when a boundary point at which a section where the straightness of the aluminum bar improves as the pressing force of the pressure rollers increases shifts to a section where the straightness does not change as the pressing force of the pressure rollers increases is a straightness saturation point, and the pressing force of the pressure rollers at the straightness saturation point is “Fc”. | 05-05-2016 |
20160167107 | ROLLING TOOL | 06-16-2016 |
20160193636 | AN APPARATUS FOR DEFORMING A METAL BAR HAVING A RECTANGULAR SECTION UP TO OBTAINING A METAL BAR HAVING A TRAPEZOIDAL OR HEXAGONAL SECTION, AND A SYSTEM AND A METHOD FOR REALISING A SPIRAL, STARTING FROM A METAL BAR HAVING A RECTANGULAR SECTION | 07-07-2016 |
20160193637 | CENTRIFUGALLY CAST COMPOSITE ROLL AND ITS PRODUCTION METHOD | 07-07-2016 |