Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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04/16/2003 | EP1175271B1 Method for machining platelike workpieces in a striated manner |
04/14/2003 | WO2002030659A1 V-belt drive |
04/10/2003 | WO2003029069A2 Truck cab space frame |
04/10/2003 | WO2002062501A3 Wedge-lockable removable punch and die bushing in retainer |
04/10/2003 | US20030066329 Methods and apparatus for manufacturing press formed articles |
04/09/2003 | EP1299200A2 A sheet fabrication center with a force direction conversion drive |
04/09/2003 | EP1097010B1 Aerial and die mount cam unit |
04/09/2003 | CN1408490A Device for producing laminated core |
04/03/2003 | WO2003026855A1 Punch |
04/03/2003 | US20030062133 Laminated core machining apparatus |
04/03/2003 | US20030061855 Methods and apparatus for manufacturing flanged articles |
04/02/2003 | EP1297911A2 Methods and apparatus for manufacturing flanged articles |
03/27/2003 | WO2002103726A8 Method and device for machining stacked core |
03/27/2003 | DE20219369U1 Stamp mounting for punch press has adjusting ring with spaced notches to allow angular adjustment of cutting head |
03/26/2003 | EP1112158B1 Insert pipe for injection molding, insert pipe processing method, and molded article |
03/26/2003 | CN2541080Y High speed servo punching bear using chord differential punching method |
03/25/2003 | US6538385 Cathode-ray tube and flat electrode of electronic gun and production method |
03/25/2003 | US6536318 Loose lamination die with rotating blanking station |
03/19/2003 | EP1292204A1 Shelf supporting bracket |
03/19/2003 | CN1404423A Hydroforming flush system |
03/18/2003 | US6532783 Clamping device, tool and method of mounting tools |
03/06/2003 | US20030041457 Optical switch |
03/05/2003 | EP1287922A1 Method and device for the punching of laminations for rotors |
03/05/2003 | EP1287917A1 Apparatus and method for bending and punching a metal sheet |
03/05/2003 | EP1035965B1 V-belt drive |
03/05/2003 | CN1102710C Strap for continuous speed changing transmission device |
03/05/2003 | CN1102468C Device for converting punch changing in punching machines from manuel to quick and automatic |
03/04/2003 | US6528757 Apparatus processing a gate portion in a semiconductor manufacturing apparatus, which remove a gate correspondence portion from a semiconductor package connected to a lead frame, and a resin burr deposited on a lead portion associated with the semiconductor package |
03/04/2003 | US6526800 Sheet fabrication center and methods therefor of optimally fabricating worksheets |
03/04/2003 | US6526798 Method of blanking element for belt for continuously variable transmission |
02/27/2003 | WO2003015953A1 Punching machine for sheet metal strip |
02/27/2003 | WO2002068278A3 Dome forming system |
02/27/2003 | US20030037586 Method for precision bending of sheet of materials, slit sheets fabrication process |
02/27/2003 | DE20216108U1 Punch, embossing and forming machine for flat material, has press part connected to punch tool via pivotally mounted lever |
02/26/2003 | EP1189745B1 Device for finely cutting workpieces from a material |
02/26/2003 | EP1017517B1 A method for punching and a punch die |
02/25/2003 | US6523445 Loose lamination die with rotating blanking station |
02/20/2003 | WO2003014533A1 Method of manufacturing turbine frame of vgs type turbo charger, turbine frame manufactured by the method, exhaust gas guide assembly of vgs type turbo charger using the turbine frame, and vgs type turbo charger incorporating the exhaust gas guide assembly |
02/20/2003 | US20030033917 Hollow body hole punching apparatus, system, and method |
02/19/2003 | CN2536330Y Rotary die for numerical controlled rotation punch |
02/18/2003 | US6520210 Spool valve |
02/13/2003 | WO2003011494A1 Length-adjustable punch having externally accessible rotation release latch |
02/13/2003 | US20030029218 Punch press |
02/12/2003 | CN1101299C Punching machine |
02/06/2003 | US20030024367 Adjustable punch having externally accessible rotation release latch |
02/05/2003 | EP1281455A2 A sheet fabrication center and methods therefor of optimally fabricating worksheets |
02/05/2003 | EP1281454A2 A sheet fabrication center and methods therefor of optimally fabricating worksheets |
02/05/2003 | EP1281453A2 A sheet fabrication center and methods therefor of optimally fabricating worksheets |
02/05/2003 | EP1281452A2 A sheet fabrication center and methods therefor of optimally fabricating worksheets |
02/05/2003 | CN1100630C Punching-bending machine |
02/04/2003 | US6515395 Sensorless control induction motor rotor slot shapes and fabrication methods |
01/29/2003 | EP1279447A2 Punch press |
01/29/2003 | CN1099924C Press device |
01/28/2003 | US6511232 Insert pipe for injection molding, insert pipe processing method, and molded article |
01/28/2003 | US6510762 Member comprising several layers of a flat material and method for making the same |
01/23/2003 | US20030015079 Floating punch holder |
01/23/2003 | US20030015017 Press |
01/23/2003 | US20030015011 Sheet working method, sheet working system, and various devices related to such system |
01/21/2003 | US6508155 Self-centering trim punch |
01/19/2003 | CA2354345A1 Floating punch-holder |
01/16/2003 | WO2003004191A1 Rotary tools for in-line perforation of profiled products |
01/16/2003 | US20030010436 Metal part, and surface treating method thereof |
01/15/2003 | EP1274523A2 Hydroforming flush system |
01/15/2003 | CN2530747Y Punching machine compatible various kind section material |
01/14/2003 | US6507682 Optical switch |
01/14/2003 | US6505535 Method and apparatus for manufacturing a press-formed object |
01/08/2003 | EP1273365A1 Rotary cutting tool for continuous perforating of profiles |
01/08/2003 | CN2529718Y Punching positioner for steel plate make-up machine |
01/08/2003 | CN2529717Y Hole distance adjustable punching die for steel plate make-up machine |
01/02/2003 | US20030000344 Edged ceramic member and a method of manufacturing same |
01/02/2003 | EP1270108A2 Punch press |
01/01/2003 | CN1387965A Multi-shaft perforating device for strap material |
12/31/2002 | US6499647 Method for producing contact between two circuit layers separated by an insulating layer |
12/27/2002 | WO2002103726A1 Method and device for machining stacked core |
12/27/2002 | WO2002102528A1 Adjustable length punch assembly |
12/26/2002 | US20020194972 Punch press |
12/19/2002 | WO2002078940A3 Apparatus and programmable method for punching |
12/19/2002 | WO2002045924A9 Holding arrangement for punching tool insert |
12/19/2002 | US20020189420 Adjustable length punch assembly |
12/18/2002 | CN1386056A Bracket system for shelving |
12/11/2002 | CN2524862Y Bus punching device |
12/11/2002 | CN2524861Y Plate oil pressure punching device |
12/11/2002 | CN1383942A Punching method and apparatus of V-ribbed steel net |
12/11/2002 | CN1095705C Device and method for shaping flat articles from blank and use of the device |
12/10/2002 | CA2238159C Modular multipurpose bending machine and its linear positioning system |
12/05/2002 | US20020178976 Bracket system for shelving |
12/04/2002 | CN1383366A Shelf supporting bracket |
12/04/2002 | CN1382538A Method and apparatus for perforating on wall of thin-wall metal pipe |
12/03/2002 | US6490498 Integrated support system for supporting sheet metal machining |
11/28/2002 | US20020174698 Process and device for manufacturing holes on the circumference of hollow sections |
11/27/2002 | EP1261111A1 Apparatus and method for fabricating stator core of vehicle alternator |
11/27/2002 | EP1261110A1 Apparatus and method for fabricating stator core of alternator for vehicle |
11/27/2002 | EP1259371A2 V-belt drive for diverting a vertical force of pressure |
11/27/2002 | CN1095098C Blade for controlling developing agent thickness and productive method thereof and electric photographic imaging device |
11/26/2002 | US6484551 Process for manufacturing holes on the circumference of hollow sections |
11/21/2002 | WO2002092255A1 Method and apparatus for improving the fatigue life of components and structures |
11/21/2002 | US20020170337 Press forming machine |
11/20/2002 | EP1258298A1 Sheet working method, sheet working system, and various devices related to such system |
11/20/2002 | EP0995348B1 Clamping device, tool and method of mounting tools |
11/19/2002 | US6481259 Method for precision bending of a sheet of material and slit sheet therefor |