| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 10/17/2000 | US6131268 Method for manufacturing a lamina stack having at least two differently shaped lamina layers |
| 10/12/2000 | WO2000059725A1 Method and apparatus for stamping a part from a multi-layered strip |
| 10/11/2000 | EP1043086A2 Strip guiding device |
| 10/11/2000 | CN1057275C Apparatus for processing metal thin-sheet |
| 10/10/2000 | US6128991 Punch and die device for working pipe |
| 10/04/2000 | EP1040880A1 Tool centering mechanism in punch press |
| 10/03/2000 | US6125527 Process for producing precise cut surfaces |
| 09/28/2000 | DE10012178A1 Rotatable stamping tool for stamping press has small tools positioned rotationally using incremental function, piston rod positioned depending on small tool positions to pass through them |
| 09/21/2000 | WO2000055561A1 Collector tube for a heat transfer unit and method for producing same |
| 09/21/2000 | WO2000054942A1 Bump cam |
| 09/21/2000 | DE19911334A1 Sammelrohr für einen Wärmeübertrager und Herstellungsverfahren hierfür Collecting pipe for a heat exchanger and manufacturing method thereof |
| 09/21/2000 | DE19902058C1 Cutting into a hollow pipe has a medium pressure within the pipe while the cutters pass through the workpiece wall and a support body takes up the detached section to give sharp-edged geometry to the cut edges |
| 09/20/2000 | EP1035965A1 V-belt drive |
| 09/20/2000 | CN1056546C Rotary apparatus with moveable die |
| 09/19/2000 | US6119568 Piercing apparatus |
| 09/14/2000 | WO2000053355A1 Method and device for manufacturing plate parts |
| 09/13/2000 | CN1056491C Transport-ty-suction type mold |
| 09/12/2000 | US6116133 Puncher head and puncher |
| 09/12/2000 | US6116127 Flex die punching apparatus and method |
| 09/07/2000 | DE19918998C1 Measuring stamping forces on metal sheet involves punching through previously stamped area of sheet aligned with template aperture using complementary punch, measuring applied force |
| 09/05/2000 | US6114016 Method of punching template for forming a base plate of a tape cassette |
| 09/05/2000 | US6112571 Two-point double toggle mechanism |
| 09/05/2000 | US6112568 Roll forming using turret punch press |
| 09/05/2000 | US6112556 Knitting tool and method of making the same |
| 08/29/2000 | US6109344 Heat exchanger with an integrated tank and head sheet |
| 08/29/2000 | US6109161 Hydraulic driven tool controlling apparatus |
| 08/29/2000 | US6109159 Turret punch press |
| 08/29/2000 | US6109090 Machine for working sheet metal |
| 08/29/2000 | US6109086 Punch and method for forming slugless pierced conical extrusions |
| 08/24/2000 | WO2000049620A1 Method of press-working frame plate on which disk driving motor is arranged |
| 08/23/2000 | CN1055801C Method of manufacturing stator for stepping motor |
| 08/16/2000 | EP0754107B1 Multidirectional cutting tool in a punch press environment |
| 08/16/2000 | CN2391703Y Machine for processing aluminium shaped materials |
| 08/15/2000 | US6101863 Sheet fabrication machine, and method therefor, for optimally fabricating worksheets |
| 08/15/2000 | US6101859 Die assembly for forming a pattern on a metal plate |
| 08/15/2000 | US6101700 Method for manufacturing laminated part using a die contained sensing probe |
| 08/10/2000 | WO2000045972A1 Roll forming using turret punch press |
| 08/08/2000 | US6098437 Hydroformed control arm |
| 07/27/2000 | WO2000015398A3 Apparatus for stamping profiled bars |
| 07/27/2000 | DE19902240A1 Strip conductor to hollow waveguide connecting arrangement for SHF, has flexible spring contact element manufactured with precise, reproducible properties |
| 07/20/2000 | WO2000041826A1 Punching press device for punching openings in profiled bars, and method of punching |
| 07/19/2000 | CN2387987Y Precision feeder |
| 07/19/2000 | CN2387986Y Multi-functional perforating device |
| 07/18/2000 | US6089325 Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges and method and apparatus for making same |
| 07/18/2000 | US6089071 Method for controlling press working by means of working wheels |
| 07/12/2000 | EP1017517A1 A method for punching and a punch die |
| 07/11/2000 | US6086480 Process for manufacturing a captive screw |
| 07/06/2000 | WO2000038907A2 V-belt drive for diverting a vertical force of pressure |
| 07/06/2000 | DE19859925A1 Hole residue removal process, involving inserting device before making hole, holding residue in defined position, and removing tool with workpiece and residue |
| 07/05/2000 | EP1015150A1 Method and apparatus for the production of bent sheet metal pieces |
| 07/05/2000 | EP0728049B1 Hot rolled beam and method of manufacture |
| 07/04/2000 | US6081984 Method of fastening members of an assembly |
| 06/29/2000 | DE19954027A1 Making perforated dimpled sheet, for e.g. washing machine drums, involves relating rotation of dimpling and backing rollers to position of holes |
| 06/28/2000 | EP1011918A1 Machine-tool assembly for substantially simultaneous machining of a sheet metal |
| 06/28/2000 | EP1011913A1 Member comprising several layers of a flat material and method for making the same |
| 06/21/2000 | CN1256979A Design method for multi former block single-process continuous cutting die |
| 06/20/2000 | CA2202436C Dual mount control system |
| 06/14/2000 | EP1007241A1 Method for producing exact cut edges |
| 06/14/2000 | EP0781177B1 Process and device for stamping holes in flat workpieces |
| 06/14/2000 | CN1256650A Method of manufacturing metal part and sheet retaining foil and printer |
| 06/13/2000 | US6074330 Device for converting punch changing in punching machines from manual to quick and automatic |
| 06/08/2000 | DE19855919A1 Press machine has lower tool with passive cam fitted into guide base for easy removal after guide supports are withdrawn |
| 06/07/2000 | EP1005931A2 Work piece processing system |
| 05/31/2000 | DE19956703A1 Hydraulic hole punch to punch holes in e.g. control box walls has hydraulic cylinder connected turnable to hydraulic pump body for different angles relative to pump |
| 05/30/2000 | US6067834 Method for stamping bowed piece-parts |
| 05/30/2000 | US6067830 Method and apparatus for forming opposing holes in a side wall of a tubular workpiece |
| 05/24/2000 | EP1002593A1 Method of making a hub by punching |
| 05/23/2000 | US6066048 Punch and die for producing connector plates |
| 05/23/2000 | US6065381 Apparatus for cutting tie bars of semiconductor packages |
| 05/23/2000 | US6065326 Hydraulic manual device |
| 05/23/2000 | US6065323 Method and apparatus for the production of bent sheet metal pieces |
| 05/23/2000 | US6065321 Outlet for connecting spray nozzles and drop tubes to an irrigation pipe |
| 05/17/2000 | EP1000734A2 Press apparatus |
| 05/17/2000 | CN1253049A Press equipment |
| 05/16/2000 | US6061909 Metal panel with flanged holes and process of fabrication |
| 05/11/2000 | DE19860178C1 Wedge drives for finishing bodywork parts in car production lines includes slider returnable by gas compression spring and guided in slide faces arranged in prism formation to allow for manufacturing tolerances |
| 05/11/2000 | CA2276700A1 Press apparatus |
| 05/09/2000 | US6058758 Press with a hydraulic plate |
| 05/09/2000 | US6058596 Method of making an induction motor rotor |
| 05/04/2000 | DE3943747C2 Stamping press with lower die inserted |
| 05/04/2000 | DE19902633A1 Removal of waste stamping material from a punch die uses inner high pressure within the hollow workpiece to push the punch die away with the bead or stamping to be released for disposal on a pressure drop |
| 05/03/2000 | EP0997206A1 Method of making a hub or a shaft |
| 05/02/2000 | US6055903 Press, specifically punch press |
| 05/02/2000 | US6055895 Punched plate material carrying-out system |
| 04/28/2000 | CA2252017A1 Method of fineblanking a workpiece and the tool for carrying out the method and the resulting workpiece thereof |
| 04/27/2000 | WO2000023209A1 Roll forming line with punching tool |
| 04/27/2000 | WO2000023207A2 A sheet fabrication center and methods therefor of optimally fabricating worksheets |
| 04/27/2000 | DE19902634A1 Verfahren zum Entnehmen eines Butzens od.dgl. A method for removing a slug or the like. Abfallstücks von einem Werstück, sowie Vorrichtung dazu Waste piece of a Werstück, and apparatus therefor |
| 04/27/2000 | CA2315816A1 Roll forming line with punching tool |
| 04/26/2000 | EP0995513A1 Method and device for removing a slug from an internal high-pressure forming tool |
| 04/26/2000 | EP0995348A1 Clamping device, tool and method of mounting tools |
| 04/25/2000 | US6053258 Hydraulic driven tool controlling apparatus |
| 04/20/2000 | DE19847552A1 Vorrichtung zum Stanzen und Paketieren von Stanzblechen Apparatus for cutting and packing of flexible dies |
| 04/19/2000 | EP0993887A2 Method and device for stamping and stacking of sheet metal lamellae |
| 04/12/2000 | EP0992317A2 Workpiece-transfer device |
| 04/12/2000 | EP0992301A2 Process and equipment for the manufacture of metal sheet box-like structure with seam folded edges |
| 04/11/2000 | US6047621 Quick change adjustable punch tool assembly and method of adjustment |
| 04/05/2000 | CA2277598A1 Process and equipment for the manufacture of metal sheet box-like structures with seam folded edges |
| 04/04/2000 | US6044742 Die holder mounting structure |
| 03/28/2000 | CA2192777C Perforated substrate and method of manufacture |