| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 10/13/2004 | CN2647462Y Scarf punching assembling die |
| 10/07/2004 | US20040194527 Press molding die and manufacturing method of same |
| 10/07/2004 | DE10311911A1 Quick change device for punch, has clamping plate with hole having inside diameter that is larger than inside diameter of bore of retaining plate by about 1 to 2 mm |
| 10/06/2004 | EP1464774A1 NON−SLIP MATERIAL |
| 10/06/2004 | CN1533855A Die and its mfg. method |
| 09/30/2004 | WO2004082862A1 Punching and stamping machine |
| 09/29/2004 | EP1462753A2 Core structure of heat exchanger |
| 09/28/2004 | US6796161 Fastening device of a punch assembly for a pneumatic tool |
| 09/23/2004 | WO2004026672A3 Method and device for the positionally precise mounting of a hinged flap on a part |
| 09/23/2004 | US20040183298 Double tube coupling and manufacturing method thereof |
| 09/23/2004 | DE202004011231U1 Stamping device for a bit used in the deformation of workpieces, especially sheet metal, comprises a female mold and a stamp movably arranged in a housing having an opening for introducing the bit and an adjustable length feed stop |
| 09/22/2004 | EP1210188B1 Wedge-lockable removable punch and die bushing in retainer |
| 09/22/2004 | CN1531632A Wedge-lockable removable punch and die bushing in retainer |
| 09/22/2004 | CN1530626A Heat exchanger and producing method thereof |
| 09/22/2004 | CN1530190A 冲孔机 Punching machine |
| 09/16/2004 | US20040177948 Heat exchanger and fabrication method thereof |
| 09/16/2004 | DE10359834B3 Device for removing a hollow profile molded in a high pressure deformation process has sealing elements arranged on an inner wall |
| 09/15/2004 | EP1457751A1 Heat exchanger and fabrication method thereof |
| 09/15/2004 | CN2640652Y Antielastic lower mould of busbar punching machine |
| 09/15/2004 | CN2640651Y Blwoing upper mould of digital controlled press |
| 09/15/2004 | CN2640650Y Laminates riveted rotary hardware punching mould |
| 09/15/2004 | CN2640649Y Fine punching die frame |
| 09/09/2004 | DE19530056B4 Verfahren und Vorrichtung zum Herstellen T-förmiger bzw. mindestens eine domartige Abzweigung aufweisender Hohlkörper Method and apparatus for producing T-shaped or dome-shaped branch having at least one hollow article |
| 09/08/2004 | EP1453622A1 An improved apparatus for forming a baffle |
| 09/02/2004 | US20040169069 Punching machine |
| 09/02/2004 | US20040168500 Plate material processing machine with bending function and tool for the same |
| 09/02/2004 | DE10345569A1 Stanzpresse Punch press |
| 09/02/2004 | DE10332509B3 Production of a workpiece provided with holes comprises a perforating process during which a pump separate to a fluid high pressure producing system partly delivers a pressurized fluid |
| 09/01/2004 | CN2637026Y Slitter edge automatic punch press mould special for long tail ticket clamp |
| 09/01/2004 | CN1164454C Production process of brake string cap for bicycle |
| 08/31/2004 | US6782787 Adjustable punch having externally accessible rotation release latch |
| 08/26/2004 | WO2004028937A3 Manufacturing folded structures and sheet therefore |
| 08/26/2004 | WO2004026671A3 Method and device for the positionally precise grasping of a production part from a production part support |
| 08/26/2004 | WO2004026670A3 Method and device for mounting several add-on parts on production part |
| 08/26/2004 | WO2004017110A9 Stamping system for manufacturing high tolerance parts |
| 08/26/2004 | US20040164255 Radioactive sources |
| 08/26/2004 | US20040163440 Module cam and method for aligning and fastening tool |
| 08/26/2004 | DE19530055B4 Verfahren zum Herstellen von doppelwandigen Durchbrechungen in Bauteilen nach dem Innenhochdruck-Umformverfahren A process for producing double-walled openings in building components according to the internal high-pressure forming process |
| 08/25/2004 | EP1449600A1 Module cam and method for aligning and fastening a tool |
| 08/25/2004 | CN2635246Y Digital controlled hole punching device |
| 08/25/2004 | CN1524021A Rotary cutting tool for continuous perforating of profiles |
| 08/25/2004 | CN1524020A Adjustable length punch assembly |
| 08/25/2004 | CN1522808A Automatic production line for punch |
| 08/25/2004 | CN1163325C Drilling metal sheet and disk roller making same, metal sheet drilling device and method |
| 08/18/2004 | EP1447608A1 Double tube coupling and manufacturing method thereof |
| 08/18/2004 | EP1447154A2 Punch press |
| 08/18/2004 | CN2633464Y Elastic positioner |
| 08/17/2004 | US6776015 Perforation of laundry machine drum |
| 08/17/2004 | CA2255921C A lamina stack with at least one lamina layer having a plurality of discrete segments and an apparatus and method for manufacturing said stack |
| 08/17/2004 | CA2223164C Press device |
| 08/12/2004 | WO2004067203A1 Slender body molding device |
| 08/12/2004 | WO2004067201A1 Device for processing a thin metal foil |
| 08/12/2004 | US20040154453 Punch press |
| 08/12/2004 | US20040154254 Non-slip material |
| 08/12/2004 | DE202004009138U1 Stanzeinrichtung und Stanzstempel für diese Punch and punch for this |
| 08/12/2004 | DE202004008541U1 Stanzpresse, insbesondere zur Ablängung und Endenbearbeitung von Flachstabmaterial für Fensterbeschläge Punch press, especially for cutting to length and end processing of flat bar material for window fittings |
| 08/11/2004 | EP1445042A1 Multipress operating head for sheet metal punching machine with numerical control |
| 08/11/2004 | EP1445041A1 Device for the detection of the position of punches in a sheet metal punching machine with several punches |
| 08/11/2004 | CN1519068A Punch machine |
| 08/11/2004 | CN1161195C Wedge-lockable remobable punch and die bushing in retainer |
| 08/10/2004 | US6772667 Self-centering trim punch |
| 08/10/2004 | US6772518 Method of forming flat-tube insertion slots in a header tube |
| 08/05/2004 | US20040150689 Method of punching minute hole, method and apparatus for manufacturing liquid ejection head using the same |
| 08/05/2004 | DE10361362A1 Hydraulic actuator used as puncher, has oil supply path whose front peripheral groove performs connection interruption switching of oil supply and return paths |
| 08/05/2004 | DE10304052A1 Hydraulic press used for performing deep-drawing press and fine cutting works, includes cylinder piston unit that sets setting stroke, and another cylinder piston unit that sets working stroke |
| 08/04/2004 | CN2629870Y Punching die for earthwork grille |
| 08/03/2004 | US6769600 Motor lamination notching apparatus and method with selectively positionable punches |
| 08/03/2004 | US6769340 Self-centering trim punch |
| 07/29/2004 | WO2004062860A2 Two piece punch with pilot hole locator |
| 07/29/2004 | US20040144230 Retainer device for a press punch |
| 07/28/2004 | EP1440743A1 Punching machine |
| 07/28/2004 | EP1439921A1 Method and tool for providing convexities |
| 07/28/2004 | CN2628176Y Wheel rim perforator |
| 07/28/2004 | CN1159721C Method of press-working frame plate on which disk driving motor is arranged |
| 07/22/2004 | WO2004060620A2 Punching tool |
| 07/22/2004 | WO2004026673A3 Method and device for the positionally precise mounting of an add-on part on a vehicle body |
| 07/22/2004 | DE10261748A1 Stanzwerkzeug Punch |
| 07/21/2004 | EP1438163A1 Punch |
| 07/15/2004 | US20040134325 Two piece punch with pilot hole locator |
| 07/15/2004 | US20040134250 Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor |
| 07/15/2004 | DE19805275B4 Verfahren und Vorrichtung zum Einbringen eines Durchbruches in eine Wand Method and apparatus for introducing a breakthrough in a wall |
| 07/15/2004 | DE10328454B3 Hole-forming device for workpieces has drive containing hydraulic fluid and pressure transfer body |
| 07/15/2004 | DE10256430B3 Punch unit e.g. for punch press has punch head held by holding element at points, and punch taken only into guide plate |
| 07/14/2004 | EP1437458A1 Non-slip structure |
| 07/14/2004 | CN1513153A Programmable method for punching apparatus |
| 07/14/2004 | CN1513094A Cam block and method for manufacturing the same |
| 07/08/2004 | WO2004017117A3 High precision optical fiber alignment components |
| 07/08/2004 | US20040129709 Container end & forming systems therefor |
| 07/08/2004 | US20040129051 Method of punching small hole and method of manufacturing liquid ejection head using the same |
| 07/01/2004 | US20040123713 Punch assembly and methods of using same |
| 07/01/2004 | DE202004001970U1 Biege- oder Schneidemaschine ausgestattet mit einer Steuerungseinrichtung, welche auf der Grundlage des Steuerungssystems Windows CE.net funktioniert Bending or cutting machine equipped with a control device which operates on the basis of the control system Windows CE.net |
| 07/01/2004 | DE10261209A1 Gearshift fork for vehicles has fork ridges, fork sides, drag bearing receivers and an operating lever made from a one-piece steel sheet |
| 07/01/2004 | DE10260979A1 Workpiece producing device for use on metal blank has deforming tool with rivet recess for rivet being driven into blank |
| 06/30/2004 | EP1432606A2 Truck cab space frame |
| 06/30/2004 | CN1509367A Nonslip structure |
| 06/29/2004 | US6755110 Adjustable length punch assembly |
| 06/29/2004 | US6755103 Ball-lock insert assemblies |
| 06/24/2004 | US20040118177 Fastening device of a punch assembly for a pneumatic tool |
| 06/24/2004 | US20040118059 Non-slip structure |
| 06/23/2004 | CN1507524A Non-slip material |