| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 06/20/2002 | WO2002000367A3 A sheet fabrication center with a force direction conversion drive |
| 06/20/2002 | WO2001083169A3 Hollow body hole punching apparatus, system, and method |
| 06/13/2002 | WO2002045924A1 Holding arrangement for punching tool insert |
| 06/13/2002 | US20020072456 Method for exchanging metal mold of punch press and punch press with the exchanging method |
| 06/13/2002 | DE10060339A1 Haltevorrichtung für Stanzwerkzeugeinsatz Holding device for punching tool use |
| 06/12/2002 | EP1213065A2 Punchtool with adjusting ring |
| 06/12/2002 | EP1213064A2 Punching machine with vibration-damping device |
| 06/11/2002 | US6401514 Sheet fabrication center with a force direction conversion drive |
| 06/11/2002 | US6401507 Hydroforming, in-die hydropiercing and slug-ejecting method and apparatus |
| 06/06/2002 | WO2002043892A2 Tool for the perforation of planiform workpieces |
| 06/06/2002 | WO2002043891A2 Tool for the perforation of planiform workpieces |
| 06/05/2002 | EP1210190A1 Thin sheet punching device |
| 06/05/2002 | EP1210188A2 Wedge-lockable removable punch and die bushing in retainer |
| 06/04/2002 | US6397715 Slug-retaining punch press tool |
| 05/30/2002 | US20020062874 Clamping device, tool and method of mounting tools |
| 05/23/2002 | WO2002040896A1 Cam block and method for manufacturing the same |
| 05/23/2002 | US20020059873 Punching device for the punching of printing plates and printing plate recorder equipped with a punching device |
| 05/22/2002 | EP1089837B1 Tool holder with punching units |
| 05/21/2002 | US6389869 Pressing method for frame plate to be mounted with disk drive motor |
| 05/21/2002 | US6389865 Method and apparatus for producing beneficial stresses around apertures by use of focused stress waves |
| 05/16/2002 | WO2002038300A1 A device for machining band-like or plate-like material |
| 05/16/2002 | DE10064888A1 Method of stamping metal sheet blanks involves laser precutting of blanks which are separated using mechanical shears |
| 05/16/2002 | DE10006789C2 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 |
| 05/15/2002 | EP1205268A1 Machine tool with drive device |
| 05/14/2002 | US6386008 Sheet fabrication center and methods therefor of optimally fabricating worksheets |
| 05/10/2002 | WO2002036283A1 Punch press, method of replacing punch and die for punch press, and punch system |
| 05/09/2002 | US20020053272 Self-centering trim punch |
| 05/08/2002 | DE10054699C1 Hole punching device has two stamping stations used for different workpiece types on opposite sides of machine frame |
| 05/08/2002 | DE10047496A1 Sheet metal sandwich parting and punch tool presses sheets inwards at edges on opposing sides of cut so throated tool die and bevelled holder punches through so edges join up smooth and rounded. |
| 05/08/2002 | DE10032045C2 Stanzwerkzeug mit Justierring Punch with alignment |
| 05/08/2002 | CN2489892Y Magnetic stamp die |
| 05/07/2002 | US6382916 Blade assembly for hydraulic power transmitting apparatus and method of manufacturing same |
| 05/07/2002 | CA2062893C Punch assembly |
| 05/02/2002 | WO2002034426A1 Metal mold device |
| 05/02/2002 | WO2002034425A1 Method and apparatus for forming a tube having an article inserted therein |
| 05/02/2002 | US20020050203 Self-centering trim punch |
| 05/02/2002 | EP1201330A1 A method of manufacturing ductile sheet material components |
| 05/02/2002 | EP1200211A1 Method and apparatus for forming opposing holes in a side wall of a tubular workpiece |
| 05/02/2002 | DE10050012A1 Verfahren und Vorrichtung zum Schneiden von Blechen Method and apparatus for cutting sheet metal |
| 04/30/2002 | US6378953 Bicycle rim for a tension spoke bicycle wheel |
| 04/30/2002 | US6378217 Apparatus for punching steel studs and control circuit |
| 04/25/2002 | US20020047528 Cathode-ray tube and flat electrode of electronic gun and production method |
| 04/25/2002 | US20020047463 Pencil core and method of making |
| 04/25/2002 | US20020046591 Method of manufacturing ductile sheet material components |
| 04/25/2002 | DE10051110A1 Method to form aperture in laminated trim sections for motor vehicles uses stepped punch to make small opening in laminate layer under tensile stress and then increase opening |
| 04/24/2002 | CN2487466Y Automatic mould for making taper slots |
| 04/23/2002 | US6374490 Method of forming a hollow pole projecting on a plate and a method of manufacturing a heat sink using said method |
| 04/18/2002 | US20020043887 Laminated magnetic core and method for making |
| 04/18/2002 | DE10036775C1 Method, for stamping openings into spaced layers, of a multi-layer profile, involves that as each opening is stamped the stamping is removed to give access to next layer below to be stamped |
| 04/17/2002 | EP1197319A1 Wedge drive |
| 04/17/2002 | EP1197276A1 Procedure for punching a blank from a metallic band |
| 04/17/2002 | EP1197275A1 Procedure for rapidly punching a blank from a metallic band |
| 04/16/2002 | US6370931 Stamping die for producing smooth-edged metal parts having complex perimeter shapes |
| 04/16/2002 | US6370773 Apparatus for making self-gripping air turning vanes |
| 04/11/2002 | WO2002028563A1 Method and device for cutting sheet metal |
| 04/11/2002 | DE10148689A1 Vorrichtung und Verfahren zum Fertigen eines Einspritzlochs einer Fluid-Einspritzdüse Apparatus and method for fabricating an injection hole of a fluid injection nozzle |
| 04/10/2002 | EP1195207A2 Turret punch press |
| 04/09/2002 | US6367600 Disc brake backing plate and method of manufacturing same |
| 04/09/2002 | US6367362 Apparatus for punching steel studs |
| 04/04/2002 | US20020038825 Apparatus and method of working injection hole of fluid injection nozzle |
| 04/04/2002 | US20020038589 Turret punch press |
| 04/04/2002 | US20020038565 Method and apparatus for producing beneficial stresses around apertures by use of focused stress waves |
| 04/04/2002 | DE10131889A1 Verfahren zur Herstellung eines wellenförmigen Flügels für Plattenwärmetauscher und Vorrichtung zur Durchführung des Verfahrens A process for producing a wave-shaped wing for plate heat exchangers and apparatus for carrying out the method |
| 04/03/2002 | CN1342533A Hole punching device and hole punching method |
| 04/02/2002 | US6366046 System for servomotor driven press to permit performance of multi purpose tasks |
| 03/27/2002 | EP1190787A2 Punch press |
| 03/27/2002 | EP1189745A2 Device for finely cutting workpieces from a material |
| 03/27/2002 | EP0809548B1 Method for working sheet metal in a sheet metal work centre and a sheet metal work centre |
| 03/21/2002 | US20020033086 Punch press |
| 03/21/2002 | US20020033038 Die block apparatus for shaping workpieces |
| 03/20/2002 | EP1188498A2 Method and apparatus for making holes in a pipe |
| 03/20/2002 | EP1187706A1 Self-guiding punch and die set |
| 03/20/2002 | CN2482465Y Transformer core transverse shearing line punching apparatus |
| 03/20/2002 | CN1081124C Punch driving device |
| 03/19/2002 | US6357329 Tool centering mechanism in punch press |
| 03/14/2002 | US20020031424 Workpiece-transfer device |
| 03/14/2002 | US20020029474 Method and apparatus for making holes in pipe |
| 03/13/2002 | CN1080607C Punch-head assembly as well as platen thereof, and method for punching cutting guiding hole on platen |
| 02/28/2002 | US20020023467 Perforation of laundry machine drum |
| 02/26/2002 | US6349467 Process for manufacturing deflector plate for gas turbin engine combustors |
| 02/21/2002 | WO2002013991A1 Method for precision bending of a sheet of material and slit sheet therefor |
| 02/21/2002 | US20020020200 Method and device for producing leadthroughs on hollow profiles |
| 02/21/2002 | US20020020199 Method and device for producing leadthroughs on hollow profiles |
| 02/21/2002 | DE10044110A1 Stamping tool consisting of punch and cutting plate has two opposite ribs on surface projecting into stamping aperture |
| 02/19/2002 | US6347900 Yoke for universal joint, and production process for the same |
| 02/14/2002 | WO2002011919A1 Production of perforated heavy duty barbecue foil |
| 02/14/2002 | CA2387049A1 Production of perforated heavy duty barbecue foil |
| 02/13/2002 | EP1011918B1 Machine-tool assembly for substantially simultaneous machining of a sheet metal |
| 02/13/2002 | CN1335793A Rotary punching apparatus |
| 02/12/2002 | US6345526 Punching and stamping machine and method of making parts using same |
| 02/05/2002 | US6344018 Press machine |
| 01/31/2002 | WO2001081023A3 Length compensation for punch tools |
| 01/31/2002 | US20020011091 Method and apparatus for improving the fatigue life of components and structures using the stresswave process |
| 01/31/2002 | DE10129429A1 Device for cutting processing of strip-shaped workpiece has tool movement along and perpendicularly with respect to track guide direction positively synchronized with workpiece feed |
| 01/31/2002 | DE10104650C1 Device to perforate, stamp, emboss, flange or join sheet metal parts, especially to construct chassis, has jaw part with pivoting push arm and counter bearing with pivot drive for push arm |
| 01/31/2002 | DE10032045A1 Punching tool comprises a punch positioned in an adjusting ring at a specified angle defined by an interlocking locking piston |
| 01/30/2002 | EP1176081A1 Holed cylindrical body and method of work the cylindrical body |
| 01/30/2002 | EP1175566A1 Pressure activated piston and cylinder unit for use in a die |
| 01/30/2002 | EP1175271A1 Method for machining platelike workpieces in a striated manner and a device suited therefor |
| 01/29/2002 | US6341514 Hole punch for high-pressure shaping tool |