Class / Patent application number | Description | Number of patent applications / Date published |
072325000 | By composite tool (e.g., piercing) | 39 |
20090107201 | METHOD OF FORMING CAM LOBE - A primary intermediate formed article is formed into a substantially columnar shape. A secondary intermediate formed article is obtained by piercing a preliminary hole in the primary intermediate formed article such that a radial thickness of a prospective cam top part is larger than a radial thickness of a prospective cam base part, and by forming a positioning part. The positioning part is brought into contact with a tertiary intermediate forged article forging die so as to be positioned, and the secondary intermediate formed article is pressed and forged to form a tertiary intermediate forged article including a cam top, a cam base, and a deformed hole formed by deforming the preliminary hole. A finished cam lobe is obtained by piercing, in an area including the deformed hole. | 04-30-2009 |
20090133461 | MACHINING METHOD, PROGRAM, MACHINING-PROGRAM GENERATING PROGRAM AND MACHINING APPARATUS OF PRESS DIE - A machining method of a press die having a pierce cutter and a secondary relief-clearance area recessed inward relative to a profile of the pierce cutter is provided. A plunge cutting tool having a tool body and at least one edge portion provided on an outer circumference of an end of the tool body is used, the edge portion being protruding from the outer circumference of the tool body and being capable of carving while rotating around an axis of the tool body and moving in an axial direction of the tool body. While rotating the plunge cutting tool with an axis of the tool body being approximately parallel to a surface of the pierce cutter, the plunge cutting tool is relatively moved along the profile of the pierce cutter. The plunge cutting tool is also relatively moved in the axial direction of the tool body along the shape of the pierce cutter and the secondary relief-clearance area in a piercing direction each time the plunge cutting tool is relatively moved by a predetermined pitch. | 05-28-2009 |
20100139354 | STRETCHED METAL ARTICLE HAVING REINFORCED TERMINAL EDGE AND METHOD OF MAKING SAME - A reinforced wall in a drawn metal workpiece is formed by folding an annular wall back on itself in a punch-driven operation. | 06-10-2010 |
20100236315 | Electrical connector configuring dies, tool and method - A die set adapted to remove an end of a substantially flat lug of an electrical connector. The die set includes a first die and a second die. The first die includes a first frame and a spring loaded member connected to the first frame. The first frame includes a first contact surface adapted to directly contact a first side of the lug. The second die includes a second frame having a second contact surface adapted to contact a second side of the lug at a position offset from the first contact surface. The spring loaded member is adapted to contact the first side of the lug directly opposite the second contact surface. The first and second contact surfaces are adapted to shear off the end of the lug from the electrical connector. | 09-23-2010 |
20100251795 | Device for Manufacturing Profiles - A device for manufacturing profiles from a sheet includes at least one work station with a base plate and two die halves, wherein the die halves and the base plate extend in the longitudinal direction of the profile to be manufactured, and the die halves are arranged on the base plate movable relative to one another perpendicular to the longitudinal direction of the profile. A generic device and method for manufacturing profiles with which even heavily structured profiles can be economically produced with high flexibility, is provided by a punch for forming the sheet. The punch is movable perpendicular to the relative movement of the die halves and perpendicular to the longitudinal extension of the profile to be manufactured. The base plate has a die adapted to the punch, in which the sheet is formed, and the die of the base plate and the punch pertaining to it are exchangeable. | 10-07-2010 |
20110011146 | METHOD OF FORMING A TENON ON ONE SIDE OF A METAL PLATE MEMBER - A method of forming a tenon on one side of a metal plate member by means of punching the wall of one side of the metal plate member with a punch or punches to form a protrusion and then punching the protrusion with a punch rod to extend the height of the protrusion and to deform the protrusion into a tubular configuration. | 01-20-2011 |
20110120205 | ONE-PIECE ELBOW HYDRAULIC FITTING DESIGNED FOR ELECTRIC ARC STUD WELDING AND PROCESS FOR PRODUCING THE SAME - A process of forming a hydraulic port weld stud that includes providing a billet of material; forging an initial forging from the single billet of material including a stud portion having a longitudinal axis and a port portion extending along an axis transverse to the longitudinal axis of the stud portion; and machining the initial forging to form a finished part wherein the port portion and stud portion are integrally formed without the need for a joining operation. | 05-26-2011 |
20110252855 | Metal Embossing Hand Tool - The preset invention is directed to an embossing tool. The embossing tool includes a drive mechanism that advances a tape, an embossing mechanism and a cutting mechanism. The cutting mechanism cuts the tape to form a tag. The cutting mechanism also forms a mounting feature in the ends of the tag. The cutting mechanism includes a pair of dies with openings therethrough and at least one punch moveable within the openings for engaging the tape. | 10-20-2011 |
20110265539 | METHOD OF MAKING MICRO-HOLES ON METAL PLATE - A method of making micro-holes on a metal plate includes: (A) feeding a metal plate on a workbench forward to extend beyond a shearing edge; (B) locating a punching head at a first position, and keeping a working space between the punching head and the workbench; (C) exerting a shearing force towards the workbench by the punching head; (D) bending the metal plate by the shearing force, and forming a plurality of spot-shaped cavities arranged in a row on a second surface; (E) bearing a shearing force on the first surface of the metal plate to form a linear groove; (F) deforming the metal plate by the shearing force to cause the spot-shaped cavities arranged in a row to communicate with the linear groove to form micro-holes; (G) the punching head returning to the first position and moving a working distance to a second position; (H) feeding the metal plate again; (I) the punching head repeating the above steps at the second position; (J) the punching head returning to the second position and then moving back to the first position to complete a processing cycle. The method can produce a maximum of micro-holes on a certain area of the metal plate, which can be used as a sound gobo with an enhanced sound-absorption rate. | 11-03-2011 |
20110296891 | CORRUGATED INSERT CUTTING APPARATUS AND METHOD - An insert cutting apparatus useable in a production line for producing tubes from shaped sheet-metal strips includes an upper die having a first row of punches, and a lower die having a second row of punches. The first and second rows of punches can form predetermined breaking points in at least one of the shaped sheet-metal strips, and the first and second rows of punches can alternate, so that two punches of the first row of punches have a punch of the second row of punches therebetween. | 12-08-2011 |
20120090374 | METHOD FOR FABRICATING WINGS OF BICYCLE PEDALS - A method for fabricating wings of bicycle pedals includes, first, stamping a plate to form a preformed body which includes an opening and a body with a preset working surface. The working surface has a preset force receiving zone. The body has a first expanded portion and a second expanded portion and two arched portions bridging two sides of the first and second expanded portions; then applying a punching force to the force receiving zone to bend the first expanded portion, second expanded portion and arched portions to become a product; finally performing a bending process and a hole forming process on the product to obtain the wings. | 04-19-2012 |
20130186163 | METHOD AND APPARATUS TO MANUFACTURE METALLIC BIPOLAR PLATES - A bipolar plate having a surface structure for a flow field, inner forms such as holes and slots in the plate, and a reference geometry on the outer form thereof is produced by means of a hydraulic fine-blanking press having an at least three-stage progressive die, in the first stage of which a blank is cut partially free from a metal-foil strip, subsequently in a second stage the surface structure is formed in the connected blank via compression-forming using a forming force of at least 2500 to 3500 kN, the inner form, the slots and the reference geometry are formed by way of cutting in, and on, the blank and then, in a third stage, cutting of the outer contour and removal of the finished blank in the form of the bipolar plate are carried out successively in the stroke cycle. | 07-25-2013 |
20130192329 | PROTRUSION FORMING DEVICE AND METHOD FOR FORMING PROTRUSION PART FOR HEAT EXCHANGER - A protrusion forming device includes a holding portion holding an object that is be processed, a tool bit having a cutting portion capable of cutting an object held by a holding portion, and a drive portion capable of driving the tool bit. The tool bit is movable along a cut-in pathway so that the cutting portion is inserted into the object. The cutting portion is movable along a further-cut pathway so as to form a protrusion part that is cut in a linear shape and is connected to the object. The tool bit continuously contacts the protrusion part while moving along a forming pathway such that the protrusion part extends perpendicular to an outer surface of the object. | 08-01-2013 |
20140250968 | PROCESSING DEVICE AND PROCESSING METHOD - A processing device is provided which feeds a long plate body from an upstream side to a downstream side and sequentially carries out a press work including a blanking work to the long plate body. The processing device includes a plurality of stages provided along a feed direction of the long plate body, which has a die that applies the press work to the long plate body and a plurality of lifters provided along the feed direction of the long plate body which have lift-up parts that lift up the long plate body from the die. In the plurality of lifters, clearances by the lift-up parts of the lifters arranged in the downstream side are set to be larger than the clearances by the lift-up parts of the lifters arranged in the upstream side. | 09-11-2014 |
20150375287 | METHODS AND APPARATUS TO SHAPE A WORKPIECE - Methods and apparatus to shape a workpiece are disclosed herein. An exemplary apparatus includes a first die and a second die movable relative to the first die. The apparatus also includes a punch assembly movable relative to the second die and the first die during a stroke cycle of the second die to a position adjacent a workpiece disposed between the second die and the first die. The punch assembly includes a punch to be actuated to pierce the workpiece when the punch assembly is in the position adjacent the workpiece. | 12-31-2015 |
072326000 | Shear-type | 24 |
20080276682 | METHOD AND APPARATUS FOR FORMING BEND CONTROLLING DISPLACEMENTS IN SHEET MATERIAL - An apparatus for forming bend controlling displacements in sheet materials includes one or more punch blades, a punch blade block having one or more recesses dimensioned and configured to receive the punch blades, a die block having one or more recesses corresponding in number to the number of punch blades, and a die block unit having a receptacle configured to receive the die block, one of the punch blade block and the die block unit being configured to reciprocate with respect to the other. The punch blades and the die block may include hardened steel and the punch blade block and the die block may include non-hardened steel. A method of using the sheet material with bend controlling displacements and method for forming the same is also disclosed. | 11-13-2008 |
20100043516 | APPARATUS FOR PRODUCING A STRUCTURED METAL SHEET FOR EXHAUST GAS TREATMENT DEVICES - A process for producing a structure in a smooth sheet-metal strip includes multiple process steps. In a first step, a first section of a smooth sheet-metal strip is fed to a first tool and a second section of the sheet-metal strip is fed to a second tool in a direction of advance. Then the sheet-metal strip is stopped. A sheet-metal machining of the first section of the sheet-metal strip is carried out using the first tool. A sheet-metal machining of the second section of the sheet-metal strip is carried out using the second tool, with the first feeding step being carried out simultaneously. An apparatus is provided for producing a sheet-metal strip of such a complex structure, which produces the structure with a very high degree of accuracy even when the materials properties differ. | 02-25-2010 |
20100139355 | TRIMMING PRESS WORKING APPARATUS - A trimming press working apparatus | 06-10-2010 |
072327000 | With endless cutting edges | 16 |
20090266134 | STAMPING DIE - A stamping die ( | 10-29-2009 |
20100212388 | DIE FOR PUNCHING SHEET METAL AND SHEET METAL PUNCHING APPARATUS HAVING THE DIE - A sheet metal punching apparatus | 08-26-2010 |
20120186321 | Method and apparatus for forming a can shell - Can shells are produced with tooling installed on a single action mechanical press, and the tooling includes an upper retainer supporting a blank and draw die enclosing an outer pressure sleeve and an inner pressure sleeve surrounding a die center punch, all having air actuated pistons. The die center piston has an air reservoir connected by air passages which form air springs for the inner pressure sleeve, and the outer pressure sleeve receives the same controllable air as the reservoir or low pressure plant air supply. The inner pressure sleeve has a projecting nose portion which initiates the drawing of a cup and has contoured surfaces which mate with corresponding surfaces on a die core ring to form and clamp the chuckwall of the shell during downstroke of the press. A lower panel punch forms the center panel, panel wall and countersink of the shell during upstroke of the press. | 07-26-2012 |
20120304726 | METHOD OF MANUFACTURING PULLEY COVER IN CONTINUOUSLY VARIABLE TRANSMISSION - An oil hole penetrating through a partition wall of a pulley cover of a continuously variable transmission is formed in a direction perpendicular to an axis of the pulley cover. The pulley cover, having first and second hydraulic oil chambers through which a movable pulley half of a pulley of the continuously variable transmission is biased toward a fixed pulley half thereof, is manufactured in the step of machining a metal sheet. The manufacturing step includes a first step of press-forming the annular partition wall of the pulley cover, a second step of opening the oil hole in the partition wall, the oil hole allowing communication between the first and second hydraulic oil chambers, and a third step of press-forming the peripheral wall of the second hydraulic oil chamber at an outer side, in a radial direction, of the partition wall. | 12-06-2012 |
20130019648 | METHOD AND DEVICE FOR DRAWING AND TRIMMING BLANKS - The invention relates to a device for drawing components from a blank ( | 01-24-2013 |
20130152655 | PRESS DIE - A press die including a first die, a second die disposed opposite to the first die to perform a press work on a panel together with the first die, a drawing unit configured to hold the panel, a trimming unit configured to cut the panel, and a fluid pressure controlling unit configured to selectively deliver fluid pressure to one of the drawing unit and the trimming unit, thereby operating both of the drawing unit and the trimming unit even with a small fluid pressure by selectively delivering fluid pressure to one of the drawing unit and the trimming unit. | 06-20-2013 |
20140331731 | Device and method for the deep drawing of shell parts with integrated head and frame trimming - The invention relates to a device for producing shell components having at least a lower region, a frame region and optionally a flange region from a planar or preformed plate with a drawing die and a drawing punch, the drawing die having a shaping region and at least one cutting region, the shaping region of the drawing die having at the end of the drawing operation the outer shape of the shell component to be drawn and to be cut in the lower region, frame region and optionally in the flange region, the drawing punch having a shaping region and at least one cutting region, the shaping region of the drawing punch having, at the end of the drawing operation, the inner shape of the shell component to be drawn and to be cut with a lower region, frame region and optionally a flange region. | 11-13-2014 |
20150336155 | Method for forming a pressed component, method for manufacturing a pressed component, and die apparatus for forming a pressed component - The present invention provides a method for forming a pressed metal component, a method for manufacturing such a pressed component, and a die apparatus for forming such a pressed component which decrease the size and the degree of complexity of equipment used for forming a pressed metal component having a plate-shaped base portion and a tubular boss portion extending from the base portion and allow formation of the boss portion in a wide variety of shapes. A piercing die | 11-26-2015 |
20150352622 | Method for forming a pressed component, method for manufacturing a pressed component, and die apparatus for forming a pressed component - The present invention provides a method for forming a pressed component, a method for manufacturing a pressed component, and a die apparatus for forming a pressed component which can reduce the load necessary for forming to thereby decrease the size and the degree of complexity of equipment used for forming a pressed component. A pressed component ( | 12-10-2015 |
20160129492 | PRESS MOLDING METHOD - A press molding method of this disclosure includes: disposing a plurality of inner peripheral molding dies inside an outer shape cutting molding die having an annular cross section, the outer shape cutting molding die being configured to press-mold an identical outer shape member from a base material formed of a metal plate, the identical outer shape member having an outer shape identical to a final-shaped member, the inner peripheral molding dies being configured to press-mold all through-holes and all unevenness disposed on the final-shaped member to the base material or the identical outer shape member; and shifting all timings of press moldings to the base material and the identical outer shape member with the outer shape cutting molding die and the plurality of inner peripheral molding dies to one another. | 05-12-2016 |
072328000 | Utilizing stripper or ejector | 4 |
20090084154 | SPLINE MEMBER MANUFACTURING APPARATUS AND MANUFACTURING METHOD - A spline member manufacturing apparatus includes a shaving punch, a shaving die, a spline punch, and a stripper. The stripper supports a first surface of a base plate portion and an outer circumferential surface of a boss portion. The shaving punch is advanced relatively, while a material and the stripper are being pressed so that cutout portions are formed in an outer circumference portion of the base plate portion by the shaving punch and the shaving die. The shaving punch is further advanced relatively while the outer circumferential surface of the base plate portion is held by the shaving die, so that a spline portion is formed by inserting the spline punch along the inner circumferential surface of the boss portion. | 04-02-2009 |
20090235714 | Ejection of Residual Parts from Plate-Type Workpieces - A plate-type workpiece part ejector tool includes an upper tool portion and a lower tool portion. The upper tool portion includes a tool body, and a plurality of cutting tools that carried by the tool body. Each of the cutting tools includes a guide body having a punch. The lower tool portion has a single ejection opening. The ejection opening has at least one counter-cutting edge. The cutting tools are accommodated in the tool body so as to be movable relative to the lower tool portion, such that each of the cutting tools is optionally alignable with the counter cutting-edge. | 09-24-2009 |
20090301161 | SHEAR PUNCHING DIE ASSEMBLIES - A shear punching die assembly having first and second die units in which a material is punched to form a work while the material is clamped between the first and second die units is taught that preferably include a main punch contained in the first die unit and having a cross-sectional shape corresponding to a shape of the work, an ejector contained in the second die unit and positioned axially opposite to the main punch, an ejector biasing member normally biasing the ejector toward the main punch, an ejector retaining device that is capable of acting on the ejector when the first and second die units are in a closed condition, thereby retaining the ejector in a predetermined position, and an ejector releasing device that is capable of acting on the ejector retaining device when the first and second die units are opened over a desired distance, thereby releasing the ejector. | 12-10-2009 |
20100199739 | INTERCHANGEABLE SPRING LOADED SCRAP CUTTER - A method of cutting scrap trimmed from a workpiece as well as the stamping die and scrap cutter assembly include a die having a cutting edge. An insert is coupled to the die and is moveable between first and second positions. The insert includes a cutting edge aligned with the die cutting edge when in the first position. A scrap cutter includes a cutting edge aligned with another edge of the insert. A biasing member maintains the insert at the first position during a trimming operation when the cutting edges of the insert and the die trim the scrap from the workpiece. The insert is driven toward the second position when the cutting edge of the scrap cutter cuts the scrap. | 08-12-2010 |
072329000 | Blank detaching | 2 |
20150135794 | PRESSING METHOD AND PRESSING DEVICE FOR FORMING PUNCHED PIECE BY PUNCHING METAL PLATE WITH DIE AND PUNCH - A punched piece is formed by punching a metal plate by a punching portion including by a die and a punch. Before the punching, a preceding process portion provided in a stage previous to the punching portion forms a projection at an inner peripheral portion of a punch area of the metal plate that faces the die. Forming the projection cancels formation of shear droop at an edge of the punched piece in forming of the punched piece by punching of the metal plate. | 05-21-2015 |
20160375479 | PUNCH OF BLANKING DIE INCLUDING PUNCH AND DIE - A punch constitutes, together with a die, a blanking die for punching a workpiece with a punching shape in which protrusions protrude outwards from an annular body. The punch includes a cylinder-shaped punch section and a holder section. In the punch section, a shape of the front end surface corresponding to the punching shape of the workpiece is continuous to a rear end surface, and includes a cutting edge on its front end surface. The holder section is a short cylinder including an inner circumferential surface formed in correspondence with an outer circumferential surface of the punch section to allow insertion of a rear part of the punch section. The protrusions are brought into intimate contact with the recesses of the holder section. A clearance is provided between a part of the punch section other than the protrusions and a part of the holder section other than the recesses. | 12-29-2016 |
072330000 | Blank detaching | 2 |
20100043517 | EXTRACTION OF CHORDAL TEST SPECIMENS FROM FORGINGS - A method for making a test specimen includes machining out a chordal core from an annular forging and machining the specimen symmetrical about a chordal axis of the core. A linear cutting tool such as a wire EDM machine is used for the machining which includes at least a partially cylindrical cutting about the chordal axis with the linear cutting tool. A copper or brass tubular EDM electrode may be used. The chordal core may be machined from fat of the forging. The test specimen may have with a gauge section diameter in a range of | 02-25-2010 |
20140352387 | ELEMENT BLANKING APPARATUS AND METHOD - An apparatus configured to make blanks that would be used to assemble a CVT belt formed from such blanks. The CVT is assembled by arrange a body portion of the blanks on an inner periphery, a head portion on an outer periphery, and a neck portion, which connects the head and body. The apparatus has a die that has an opening shape conforming to a planar shape of the element to be formed. An ejector that has a sectional shape conforming to the opening shape of the blanking blade and is located inside the blanking blade. A punch that has a sectional shape conforming to the opening shape of the blanking blade and moves downward into the blanking blade to blank the element together with the blanking blade, and a pusher that is located around the punch and presses the flat plate-like material against the die. | 12-04-2014 |
072331000 | Severing (e.g., subdividing) | 3 |
20140182348 | Wire Looping Tool - An improved arts and crafts tool designed to loop and cut wire in a single fluid motion at any desired location along the length of the wire. The tool comprises a pair of arms each arm terminating in a soft-cover handle adapted to be gripped by a user. The upper portions of the arms comprise looping and cutting members for looping and cutting wire at a desired length. Disposed within one of the cutting members is an ejection aperture which harmlessly directs cut sections of waste wire away from a user and enables the tool to cut sections of wires at any desirable point. | 07-03-2014 |
20140326034 | Die For A Punching Device - The invention relates to a die for a punching device. The die comprises a die base body and a workpiece support body, which is provided on the die base body, to support a workpiece to be machined as well as a cutting to length mechanism for cutting a workpiece part of the workpiece to length. The cutting to length mechanism has a cutting to length element and a counter-cutting to length element for cutting to length interaction with the cutting to length element by several cutting to length strokes. The cutting to length element and the counter-cutting to length element can be displaced relative to one another between a cutting to length position, in which the cutting to length element and the counter-cutting to length element interact with one another so as to cut to length, and an open position, in which the cutting to length element and the counter-cutting to length element are spaced apart from one another. Furthermore, the die has a guide mechanism to guide the workpiece part. | 11-06-2014 |
20160107215 | ASSEMBLY FOR AND METHOD OF MARKING AND CUTTING WIRES, AND MACHINE COMPRISING SAID ASSEMBLY - Assembly for marking and cutting wires, comprising first cutting means ( | 04-21-2016 |