| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 03/23/2000 | WO2000015406A1 Insert pipe for injection molding, insert pipe processing method, and molded article |
| 03/23/2000 | WO2000015398A2 Apparatus for stamping profiled bars |
| 03/23/2000 | WO2000015367A1 Long, slender lamina stacks of non-uniform laminae and method and apparatus for the manufacture thereof |
| 03/23/2000 | CA2342936A1 Insert pipe for injection molding, insert pipe processing method, and molded article |
| 03/22/2000 | CN2369790Y Pneumatic punching device |
| 03/21/2000 | US6041271 Apparatus to determine the operational effectiveness of a machine tool and method therefor |
| 03/14/2000 | CA2077901C Ball lock punch retainer |
| 03/08/2000 | EP0983808A1 Cam slide driving apparatus |
| 03/08/2000 | CN2367409Y Seedling-plate formation punching mould |
| 03/07/2000 | US6032559 Fill riser cold punch |
| 03/07/2000 | US6032505 Tooling apparatus and method for high speed production of drawn metal cup-like articles |
| 03/02/2000 | DE19839727A1 Method for stamping slots into tubular section has a cutting edge stamp to cut and fold back the released tag |
| 03/01/2000 | EP0982085A2 Punching machine and relative punching system comprising a tool store |
| 03/01/2000 | CN2366200Y Assembling and press-shaping shaped material |
| 03/01/2000 | CN1049850C Method of punching U-shape parts |
| 02/29/2000 | CA2049647C Punch press and a tool magazine for the press |
| 02/24/2000 | WO2000009301A1 Punch guide assembly |
| 02/23/2000 | EP0980724A2 Punch guide assembly |
| 02/22/2000 | US6027436 Method of and apparatus for machining web-shaped workpiece and apparatus for processing scrap |
| 02/16/2000 | CN2363812Y Improved square washer die |
| 02/16/2000 | CN2363807Y Improved stripping board structure of washer die |
| 02/16/2000 | CN1049372C Method and apparatus for making stretching grille |
| 02/09/2000 | EP0978333A2 Punch holder apparatus |
| 02/09/2000 | EP0892688B1 Rotary forming apparatus and method of rotary forming |
| 02/09/2000 | CN2362614Y Rolling door shutter die with function of hole punching and cutting |
| 02/09/2000 | CN2362613Y Hand die-cutting machine |
| 02/09/2000 | CN2362612Y Bending limited stress material-cutter |
| 02/09/2000 | CN1244146A Punching-bending machine |
| 02/08/2000 | US6021658 Sheet fabrication machine, and method therefor, for optimally fabricating worksheets |
| 02/03/2000 | DE19834510A1 Production of steel work pieces |
| 02/02/2000 | EP0976471A2 Rotative forming machine |
| 02/02/2000 | EP0976470A2 Machine for punching and bending metal sheets |
| 02/01/2000 | US6018973 Rotary forming apparatus and method of rotary forming |
| 01/27/2000 | DE19832897A1 Rotationsumformmaschine Rotationsumformmaschine |
| 01/21/2000 | CA2277321A1 Machine for punching and bending metal sheets |
| 01/20/2000 | WO2000002680A1 Aerial and die mount cams |
| 01/20/2000 | DE19831932A1 Rotationsumformmaschine mit verbessertem Umformverhalten Rotationsumformmaschine with improved formability |
| 01/20/2000 | DE19830825A1 Conversion tooling with press action has loadable energy accumulator and release device to operate additional function tool in sheetmetal work. |
| 01/19/2000 | EP0972585A2 Rotary forming machine with better forming behaviour |
| 01/19/2000 | EP0972584A2 Forming tools |
| 01/19/2000 | CN2359026Y Tool for processing section bar |
| 01/13/2000 | WO1999047303A8 Method and apparatus for producing beneficial stresses around apertures by the use of focused stress waves |
| 01/13/2000 | DE19931932A1 Chamfering routine with work feed handles sheet between top and spring-supported bottom tool as plungers in two-sided chamfer press. |
| 01/13/2000 | DE19830566A1 Profiled support with longitudinal axis and outer casing surface |
| 01/12/2000 | CN2357854Y Multifunctional stamping machine for stile open mortise of aluminium alloy section material |
| 01/11/2000 | US6013017 Punch press machine |
| 01/11/2000 | US6012321 Driving device for a pressing machine |
| 01/11/2000 | CA2084416C Turret punch press |
| 01/05/2000 | EP0891251B1 Press with a hydraulic plate |
| 01/05/2000 | EP0885074B1 Method and device for producing stamped parts |
| 01/05/2000 | EP0726836B1 Adjustable length punch set assembly |
| 01/05/2000 | CN2356774Y Hydraulic steel plate grain making machine |
| 01/04/2000 | US6009787 Process and device for punching holes in flat workpieces |
| 01/04/2000 | US6009783 Method in a sheet metal work center and a sheet metal work center |
| 12/30/1999 | DE19827850A1 Tool holder with stamping punch units |
| 12/29/1999 | WO1999067039A1 Tool holder with punching units |
| 12/29/1999 | WO1999067038A1 Stamping punch with an inclined ground section |
| 12/29/1999 | CN2355831Y No material retarning spring floating punch pin punching device |
| 12/29/1999 | CN2355830Y Improved cushion ring mould |
| 12/29/1999 | CA2336066A1 Tool holder with punching units |
| 12/28/1999 | US6006566 Method and device for removing a slug from a hydroforming tool |
| 12/23/1999 | WO1999065627A1 Gripper feed system for presses and stamping and bending machines |
| 12/23/1999 | WO1999065625A1 A punching apparatus |
| 12/22/1999 | EP0966184A1 IC card housing and method of manufacture |
| 12/16/1999 | WO1999064939A1 Integrated support system for supporting sheet metal machining |
| 12/16/1999 | WO1999064762A1 Disc brake backing plate and method of manufacturing same |
| 12/16/1999 | DE19825843A1 Perforierpresse mit Einzelstempelsteuerung Perforating machine with single punch control |
| 12/16/1999 | DE19825842A1 Presse zur Herstellung variabler Bearbeitungsmuster Press for producing variable working pattern |
| 12/16/1999 | DE19824741A1 Verfahren und Vorrichtung zur Herstellung von Bundlagern Method and apparatus for the production of flange bearings |
| 12/15/1999 | EP0963802A2 Perforating press with drive system for one punch |
| 12/15/1999 | EP0963801A2 Press for making variable workpieces |
| 12/14/1999 | US6000119 Lamina stack having a plurality of outer perimeter configurations and an apparatus and method for manufacturing said stack |
| 12/10/1999 | CA2240227A1 Disc brake backing plate and method of manufacturing same |
| 12/09/1999 | WO1999062652A1 Device and method for shaping flat articles |
| 12/09/1999 | WO1999025507A3 Device for producing a workpiece by stamping |
| 12/08/1999 | EP0962269A2 Method and apparatus for making bearing collars |
| 12/08/1999 | EP0793551B1 Machine for stamping, bending and assembling sheet metal parts |
| 12/08/1999 | CN2352281Y Perforating die for processing perforated steel band |
| 12/07/1999 | US5996455 Method and device for making holes at the circumference of a hollow shape |
| 12/02/1999 | DE19824189A1 Punching and forming method for can covers and rings |
| 11/30/1999 | US5992536 Hydraulic drive tool controlling apparatus |
| 11/30/1999 | US5992285 Floating punch holder |
| 11/30/1999 | US5992280 Perforator for metal plate |
| 11/30/1999 | US5992206 Clinching die having metallic restoring member |
| 11/25/1999 | WO1999060322A1 Heat exchanger with an integrated tank and head sheet |
| 11/23/1999 | US5988032 Slotting tool |
| 11/18/1999 | WO1999047303A9 Method and apparatus for producing beneficial stresses around apertures by the use of focused stress waves |
| 11/17/1999 | CN2348949Y Complete cutting type steel band curve cutter |
| 11/17/1999 | CN1046440C Method and apparatus for manufacture of hot rolled beam |
| 11/16/1999 | US5983761 Method of punching template for forming a base plate of a tape cassette |
| 11/16/1999 | US5983693 Rotary press with cut off apparatus |
| 11/11/1999 | DE19911486A1 Revolver head stamping press |
| 11/09/1999 | US5980679 Patterned metal layer is cut from foil using punch-press at selected pressure; cut patterned metal layer is then attached to substrate using press |
| 11/09/1999 | US5979277 Method and apparatus for punching a thin metal tape to provide a lead frame for a semiconductor device |
| 11/03/1999 | EP0953438A1 Punch press, in particular high-speed press |
| 11/03/1999 | CN1233541A Art for forming protective cover blank of steel cylinder |
| 11/02/1999 | US5974931 Flex die punching apparatus and method |
| 11/02/1999 | US5974846 Method of forming and piercing a tube |
| 10/28/1999 | WO1999025507A8 Device for producing a workpiece by stamping |
| 10/27/1999 | EP0951368A1 Punching-bending machine |