| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
|---|
| 10/04/2001 | EP1138411A2 Modular unit for converting punching machines from single-punch to multiple-punch |
| 10/04/2001 | DE10016208C1 Cutting section from hollow component during high internal pressure deformation process, employs plunger spring-loaded to snap back abruptly |
| 10/03/2001 | CN2451258Y Pocketing punching apparatus for motor vehicle rim spoke hole processing |
| 10/03/2001 | CN2451257Y Perforating die |
| 10/03/2001 | CN1072043C Turret punch press |
| 09/26/2001 | EP1136152A1 Cam slider and cam unit using the same |
| 09/26/2001 | EP1136151A1 Cam unit equipped with self-centering means |
| 09/26/2001 | EP1135224A1 A punching apparatus |
| 09/26/2001 | EP0929369A4 Connector plate and punch for forming |
| 09/26/2001 | CN2449835Y Automatic PC board punching riveting machine |
| 09/26/2001 | CN2449834Y Numerically controlled high-speed slot puncher |
| 09/26/2001 | CN2449833Y Beating type floating perforating die |
| 09/26/2001 | CN2449832Y Improved perforating die of cloth band perforating machine |
| 09/26/2001 | CN1071604C Method for forming relatively hard materials |
| 09/25/2001 | US6293134 Method of producing a sheet steel product such as a motor vehicle bumper beam in a progressive die system |
| 09/18/2001 | US6290170 Strip guiding device |
| 09/18/2001 | US6289709 Gutter outlet punch |
| 09/18/2001 | US6289589 Method and device for produced flanged bearings |
| 09/13/2001 | WO2001066320A1 Two stage punch press actuator with output drive shaft position sensing |
| 09/13/2001 | US20010020410 Wedge-lockable removable punch and die bushing in retainer |
| 09/13/2001 | US20010020409 Punch unit for punching a hole in a soft metal sheet |
| 09/12/2001 | EP1132648A1 Method of blanking elements of belt for continuously variable transmission |
| 09/12/2001 | CN2447081Y Punching die |
| 09/12/2001 | CN1070743C Process for manufacturing contacts for electronics device, mfg. apparatus and continuous strip material used for punching |
| 09/11/2001 | US6286356 Method of and apparatus for machining web-shaped workpiece and apparatus for processing scrap |
| 09/07/2001 | WO2001064498A1 Holed cylindrical body and method of work the cylindrical body |
| 09/06/2001 | US20010018843 Method of blanking elements of belt for continuously variable transmission |
| 08/30/2001 | WO2001062410A2 Hydroforming flush system |
| 08/28/2001 | US6279445 Multi-tool alignment apparatus |
| 08/23/2001 | DE10006789A1 Vorrichtung zum mechanischen Fügen, Scheren, Schneiden, Bördeln oder schlagenden Umformen von Blech-, Rohr- oder Profilteilen Apparatus for mechanically joining, shearing, cutting, crimping or beating forming of sheet metal, pipe or profile parts |
| 08/22/2001 | EP1125682A2 Press machine |
| 08/21/2001 | US6276258 Pressure activated piston and cylinder unit for use in a die |
| 08/21/2001 | US6276247 Adjustable punch assembly with releasable locking |
| 08/16/2001 | US20010013278 Press machine |
| 08/16/2001 | EP1123169A2 A sheet fabrication center and methods therefor of optimally fabricating worksheets |
| 08/16/2001 | DE10005023A1 Presse Press |
| 08/14/2001 | US6272957 Flex die punching apparatus and method |
| 08/09/2001 | WO2001056776A1 Press |
| 08/09/2001 | WO2001056719A1 Metal part, and surface treating method therefor |
| 08/09/2001 | US20010011493 Punch unit for punching a hole in a soft metal sheet |
| 08/08/2001 | EP1121211A1 Long, slender lamina stacks of non-uniform laminae and method and apparatus for the manufacture thereof |
| 07/31/2001 | US6266886 Hydraulic punch |
| 07/31/2001 | CA2023675C Apparatus and method for forming a tubular frame member |
| 07/26/2001 | WO2001053017A1 Sheet working method, sheet working system, and various devices related to such system |
| 07/25/2001 | EP1117501A1 Process for manufacturing a captive screw |
| 07/25/2001 | CN1305402A Process for manufacturing captive screw |
| 07/25/2001 | CN1068811C Method for manufacturing uper level arm assembly of front bridge suspension frame of coach and used mould thereof |
| 07/19/2001 | US20010008099 Punching apparatus and the punching unit thereof |
| 07/18/2001 | CN1304636A Method for producing contact between two circuit layers separated by insulating layer |
| 07/18/2001 | CN1304501A Integrated support system for supporting sheet metal machining |
| 07/11/2001 | CN1303324A Device and method for shaping flat articles |
| 07/10/2001 | US6257035 Compressive hydroforming |
| 07/10/2001 | US6256878 IC card housing and method of manufacture |
| 07/04/2001 | EP1112158A1 Insert pipe for injection molding, insert pipe processing method, and molded article |
| 07/04/2001 | CN1067923C Punching technique of slotting or cutting-off for side of rectangular tubing |
| 07/03/2001 | US6253594 Method of producing a stamped item |
| 06/28/2001 | WO2001046596A1 Pressure activated piston and cylinder unit for use in a die |
| 06/28/2001 | US20010005099 Bicycle rim for a tension spoke bicycle wheel |
| 06/26/2001 | US6250177 Cam apparatus |
| 06/21/2001 | WO2001043897A1 Compressive hydroforming |
| 06/20/2001 | CN2435166Y Punch press hydraulic punch mechanism with charging device |
| 06/20/2001 | CN1300245A Method and apparatus for producing beneficial stresses around apertures by the use of focused stress waves |
| 06/19/2001 | CA2147915C Automated dimpling apparatus |
| 06/13/2001 | EP1106039A1 Method for producing contact between two circuit layers separated by an insulating layer |
| 06/12/2001 | US6247006 Automatic programming method for punch press and apparatus for the same |
| 06/07/2001 | US20010002566 Punch press, specifically a high-speed punch press |
| 06/07/2001 | DE19957076A1 Verfahren und Vorrichtung zum Lochen von Blechformteilen aus einem Aluminiumwerkstoff Method and apparatus for perforating sheet-metal shaped parts made of an aluminum material |
| 06/05/2001 | US6241229 Machine for processing metal plate |
| 06/05/2001 | US6240818 Precision blanking press with knife-edged ring and counter cylinder |
| 05/31/2001 | WO2001000396A3 Device for finely cutting workpieces from a material |
| 05/31/2001 | DE19952791A1 Blanking tool esp. for internal high pressure forming tool for tube sections has punch held in bearing bore in punch holder and locked by locking element |
| 05/31/2001 | DE10029321C1 Shaping of a passage in a hollow profile uses a shaping tool with high inner pressure with a die to form facing shaped sections and a die cutting edge to work with the high inner fluid pressure |
| 05/31/2001 | DE10029319C1 Shaping of a passage through a hollow profile has shaped sections facing each other at the sides to take inserted dies pushed through into each other and stamping the hole bead without loss of profile strength |
| 05/30/2001 | EP1103319A1 Negative angle-forming die |
| 05/30/2001 | EP1103318A1 Energizing device for a press die |
| 05/30/2001 | EP1103317A2 Method and apparatus for punching aluminium sheet metal parts |
| 05/30/2001 | EP0951368B1 Punching-bending machine |
| 05/30/2001 | CN2431990Y Positioning-punching mechanism before etching and electroplating for coil formed strip of IC wire frame circuit soft board |
| 05/30/2001 | CN1296865A Method for mfg. ring metal sheet group |
| 05/29/2001 | US6237458 Auto equalized dual pierce unit |
| 05/29/2001 | US6237454 Self-centering trim punch |
| 05/29/2001 | US6237214 Apparatus for manufacturing laminated parts with center interlock |
| 05/25/2001 | WO2001003860A3 Wedge-lockable removable punch and die bushing in retainer |
| 05/23/2001 | EP0802838B1 Workpiece-deforming tool and die for use in a punch press |
| 05/23/2001 | DE10056946A1 Endoscopic treatment instrument carrier element production process, involving making holding part by forging front part of cylindrical metal workpiece |
| 05/23/2001 | CN1295895A Mould for forming negative angle |
| 05/22/2001 | US6233989 Method and apparatus for stamping a metal sheet with an apertured design having rolled edges |
| 05/17/2001 | WO2001034320A1 Rotary punching apparatus |
| 05/16/2001 | EP1100185A1 Method of manufacture of annular shaped lamination stack |
| 05/16/2001 | CN2430229Y Tooth punching mold for saw blade |
| 05/15/2001 | US6233038 Imaging system with integral punch mechanism |
| 05/15/2001 | US6232692 Sensorless control induction motor rotor slot shapes and fabrication methods |
| 05/15/2001 | US6230537 Method and apparatus for producing beneficial stresses around apertures by use of focused stress waves, and improved fatigue life products made by the method |
| 05/15/2001 | US6230536 Negative angle-forming die |
| 05/10/2001 | WO2001032330A1 Multi-tool alignment apparatus |
| 05/10/2001 | DE19949554A1 Stamping punch for inserting into a tool holder of a punching machine has a press fit between a holding protrusion and a holding recess |
| 05/10/2001 | DE10042896A1 Toroidal ring formation involves compressing cylindrical material from base edge side and shaft core direction to plastically deform and reduce bottom diameter, such that ring is formed by punching |
| 05/09/2001 | EP1097411A1 Integrated support system for supporting sheet metal machining |
| 05/09/2001 | EP1097010A1 Aerial and die mount cams |
| 05/09/2001 | CN1294741A Method of press-working frame plate on which disk driving motor is arranged |