| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 01/24/2002 | WO2002005684A1 Bracket system for shelving |
| 01/24/2002 | US20020007714 Punch holder apparatus |
| 01/24/2002 | DE10131639A1 Schlaufeneinhängevorrichtung für Sicherheitsgurte und Verfahren zu ihrer Herstellung Schlaufeneinhängevorrichtung for safety belts and process for their preparation |
| 01/24/2002 | DE10033771A1 Method to manufacture double-walled opening with turn up in hollow profile; involves using inner pressure shaping method and pushing stamp on wall to be shaped towards counter holder on other wall |
| 01/24/2002 | CA2382563A1 Bracket system for shelving |
| 01/23/2002 | EP1174536A2 Perforation of laundry machine |
| 01/23/2002 | EP1011913B1 Member comprising several layers of a flat material and method for making the same |
| 01/23/2002 | CN2472862Y Quick energy saving hydraulic punching and riveting machine |
| 01/23/2002 | CN1332063A Automatic centering and edge-trimming tool bit |
| 01/23/2002 | CN1332047A Production process of brake string cap for bicycle |
| 01/22/2002 | US6339948 Materials handling, applying a force to the cylindrical member in an axial direction, cause plastic deformation at opposite axial end, shearing on the flange to punch out a ring member |
| 01/22/2002 | US6339947 Comprising rotatable rolls, die support carried by the rolls, having a leading edge and a trailing edge, pivoting in a controlled angular orientation, reciprocal motion transverse to the leading and trailing edges, forming a web of steel strips |
| 01/17/2002 | WO2002004179A1 Apparatus for punching steel studs and control circuit |
| 01/17/2002 | US20020005056 Process and system for producing metal sheets |
| 01/17/2002 | DE10030614A1 Method for manufacture of stamping punch has the punch head screwed into a holder of a different material and with a heat shrink seat for a secure grip |
| 01/17/2002 | CA2414086A1 Apparatus for punching steel studs and control circuit |
| 01/16/2002 | EP1172718A1 System and method for identifying tools and/or parts of tools in machine tools |
| 01/16/2002 | CN2471447Y Hot hole punching die for mining jump bit blanks |
| 01/16/2002 | CN2471446Y Spiral rejected hole punching die |
| 01/16/2002 | CN1077815C Method for punching and cutting process and metal dies for punching press |
| 01/10/2002 | US20020003414 Control method for saving power |
| 01/10/2002 | US20020002887 Press punching method and apparatus for forming a plurality of through holes by changing a travel distance of a punching mold |
| 01/10/2002 | US20020002853 Method for manufacturing a corrugated fin for a plate-type heat exchanger and device for implementing such a method |
| 01/10/2002 | DE10031095A1 Vorrichtung und Verfahren zum Herstellen von Dichtungslagen Device and method for the manufacture of seal layers |
| 01/09/2002 | EP1169178A1 Method and apparatus for stamping a part from a multi-layered strip |
| 01/09/2002 | CN2470026Y Portable colour board, stainless-steel section bidirectinal boring machine |
| 01/09/2002 | CN2470025Y Plastic net-board punching mould |
| 01/08/2002 | US6336399 Energizing device for a press die |
| 01/03/2002 | WO2002000367A2 A sheet fabrication center with a force direction conversion drive |
| 01/03/2002 | US20020000717 Loop hanger for seat belt and method for manufacturing same |
| 01/03/2002 | US20020000147 Aperture punching unit |
| 01/03/2002 | DE10129055A1 Hole stamping device for tube has mandrel shaped for clearance cross section of tube |
| 01/03/2002 | DE10030882A1 Precision cutting process for forging tools involves supporting punch strip in first step against fixed surface by holding-down device |
| 01/02/2002 | EP1166925A2 Self-centering trim punch |
| 01/02/2002 | EP1166915A2 Device and method for producing gaskets |
| 01/02/2002 | CN2468624Y Punching die and safety guard apparatus |
| 01/02/2002 | CN1076992C Working machine driven by pressed oil |
| 01/01/2002 | US6334381 Adjustable punch assembly |
| 12/29/2001 | CA2312693A1 Tube punching unit |
| 12/27/2001 | US20010054344 Die holder |
| 12/26/2001 | CN2467224Y Self-setting cold die for pipe punching |
| 12/20/2001 | WO2001095764A1 Shelf supporting bracket |
| 12/20/2001 | US20010052369 Spool valve and method for manufacturing the same |
| 12/20/2001 | DE10028366A1 Vorrichtung zur Montage von Stanzteilen mit Zuführteilen Device for mounting of stampings with feeding members |
| 12/20/2001 | CA2376524A1 Shelf supporting bracket |
| 12/20/2001 | CA2351234A1 Method and device for producing leadthroughs on hollow profiles |
| 12/20/2001 | CA2351006A1 Method and device for producing leadthroughs on hollow profiles |
| 12/19/2001 | EP1164321A2 Spool valve and method for manufacturing the same |
| 12/19/2001 | EP1163484A1 Collector tube for a heat transfer unit and method for producing same |
| 12/19/2001 | CN2465833Y Multi-edge die for punch |
| 12/13/2001 | US20010049954 Method and apparatus for detecting mis-stripping in a punch press machine |
| 12/12/2001 | EP1162010A2 Apparatus for mounting stamped at delivered parts |
| 12/12/2001 | EP1161316A1 Compressive hydroforming |
| 12/12/2001 | EP1064124A4 Apparatus for punching steel studs |
| 12/06/2001 | US20010049161 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 |
| 12/06/2001 | US20010047678 Method of blanking element for belt for continuously variable transmission |
| 12/05/2001 | EP1159096A1 Method and device for manufacturing plate parts |
| 12/05/2001 | EP0944446B1 Method of forming and piercing a tube |
| 12/04/2001 | US6324951 System for punching and bundling metal sheets |
| 12/04/2001 | US6324768 Ball lock punch retainer and checking gage system |
| 11/28/2001 | EP1158204A1 Method of blanking element for belt for continuously variable transmission |
| 11/28/2001 | CN1323677A Converter for quick drawing-back steam head handle for converting single punching into multiple punching of stamping press |
| 11/28/2001 | CN1075403C Rotary forming apparatus and method of rotary forming |
| 11/21/2001 | CN1322610A Structural material belt |
| 11/15/2001 | US20010039867 Quick-extraction punch-holder adaptor for converting punching machines from a single-punch to a multiple-punch configuration |
| 11/15/2001 | US20010039865 Stamping die for producing smooth-edged metal parts having complex perimeter shapes |
| 11/14/2001 | EP1153676A2 Quick-extraction punch-holder adaptor for converting punching machines from a single-punch to a multiple-punch configuration |
| 11/14/2001 | EP1153675A2 Material sheets with structures |
| 11/14/2001 | EP1152842A1 Roll forming using turret punch press |
| 11/08/2001 | WO2001083169A2 Hollow body hole punching apparatus, system, and method |
| 11/08/2001 | DE10111120A1 Punching tool incorporated into commercial hand-operated pliers for punching out holes in sheets or plates of different materials comprises a body and a punch with a rectangular or square cross-section |
| 11/07/2001 | EP1150787A1 Punching press device for punching openings in profiled bars, and method of punching |
| 11/07/2001 | CN2458102Y Mould for making perforated steel tape with burrs in its two faces |
| 11/07/2001 | CN2458101Y Improved structure of mould |
| 11/06/2001 | US6311597 Self-guiding punch and die set |
| 11/06/2001 | US6311535 High voltage bushing embossing punch tool and method |
| 11/01/2001 | WO2001081023A2 Length compensation for punch tools |
| 11/01/2001 | US20010035034 Hole punch for high-pressure shaping tool |
| 10/31/2001 | DE10019368A1 Electrical lamination manufacturing method has blank centred or positioned before formation of slots or removal of inner part and stacking of machined laminations |
| 10/31/2001 | CN1319728A Fluid operation loop for setting dead point position of punching head cylinder of punching machine |
| 10/31/2001 | CN1319465A Combined apparatus for converting single convex die into multiple die of punching machine |
| 10/31/2001 | CN1073927C Driving device of pressing machine |
| 10/30/2001 | US6308397 Method for manufacturing friction plate |
| 10/25/2001 | DE10022102C1 Structured material strip to manufacture metal conductor frames has stamped structures projecting from material plane and having symmetrical shape forming slits |
| 10/24/2001 | EP1147834A1 Punching device |
| 10/24/2001 | CN1073503C Punch driving device |
| 10/23/2001 | US6306677 Method and apparatus for punch and place inserts for manufacture of oxygen sensor |
| 10/23/2001 | US6305201 Method and apparatus for forming unobstructed holes in hollow hydroformed metal parts |
| 10/18/2001 | WO2000045972A9 Roll forming using turret punch press |
| 10/17/2001 | CN2454059Y Mechanism for takingout buds and threshing |
| 10/17/2001 | CN2454058Y Structure of formed punch and screw |
| 10/16/2001 | US6303983 Apparatus for manufacturing resin-encapsulated semiconductor devices |
| 10/11/2001 | WO2001074511A1 Centre punch, designed in particular for punching sheet metal |
| 10/10/2001 | EP1140385A1 Rotary punching apparatus |
| 10/10/2001 | CN1316947A Insert pipe for injection molding, insert pipe processing method, and molded article |
| 10/10/2001 | CN1316306A Technology for processing non-circular hole on thick metal plate |
| 10/04/2001 | US20010025556 Modular unit for converting punching machines from single-punch to multiple-punch |
| 10/04/2001 | US20010025487 Fluid-operated circuit for setting the top and bottom dead center location of the punch actuation cylinder in punching machines |
| 10/04/2001 | EP1138958A2 Fluid-operated circuit for setting the top and bottom dead center location of the punch actuation cylinder in punching machines |
| 10/04/2001 | EP1138412A1 Device for cutting out openings in the side wall of a hollow structural element during forming thereof by hydroforming |