| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 02/16/2005 | CN2678794Y Punching die for screen mesh |
| 02/16/2005 | CN1579752A Punch press |
| 02/10/2005 | US20050028573 Apparatus for cutting and nibbling a sheet metal in coil form |
| 02/10/2005 | DE202004018819U1 Tool unit is for pressing and/or stamping workpieces and has several tools commonly moved by press plate and working in conjunction with space-wise fixed counter tools |
| 02/09/2005 | EP1504884A2 Punch press |
| 02/09/2005 | CN2677057Y Manual Stainless steel square pipe perforatin press |
| 02/09/2005 | CN1575947A Stamping device for generally flat articles |
| 02/09/2005 | CN1188229C Apparatus for perforating on wall of thin-wall metal pipe |
| 02/08/2005 | US6851176 Method for the manufacture of bundles of metal sheets of annular shape |
| 02/02/2005 | EP1502673A1 Machine tool with driving means for the tool |
| 02/02/2005 | CN2675290Y Replacing device for punch of perforating machine |
| 02/02/2005 | CN1572388A Method for manufacturing cooling fin of heat exchanger and its die apparatus |
| 01/27/2005 | US20050016238 Device for punching work pieces in an internal high-pressure forming tool |
| 01/27/2005 | US20050016237 Method and device for creating a hole on the outer circumference of a hollow profile |
| 01/27/2005 | DE10331132A1 Verfahren zum Reinigen einer metallischen Oberfläche A method of cleaning a metallic surface |
| 01/27/2005 | DE10328776B3 Stanzvorrichtung für flächige Gegenstände Punching device for flat objects |
| 01/27/2005 | DE102004020905A1 Verfahren zur Herstellung einer Kettenlasche A method of manufacturing a link plate |
| 01/26/2005 | EP1163484B1 Collector tube for a heat transfer unit and method for producing same |
| 01/26/2005 | CN2673532Y Rotor and stator lamination punching machine |
| 01/26/2005 | CN1571097A Prepiercing forming method of diaphragm series metal parts |
| 01/25/2005 | CA2215109C Combined processing apparatus |
| 01/20/2005 | DE202004017892U1 Fine cutter has thrust unit with interchangeable clearing plates matching use and movable from starting position over cutting plate and back to remove cut workpieces from cutting plate |
| 01/20/2005 | CA2531746A1 Method for the production of a rim hole in hollow profiles |
| 01/13/2005 | DE10344885B3 Workpiece production process for sheet item involves forming sections with defined different wall thicknesses |
| 01/13/2005 | DE102004021695A1 Verfahren zur Herstellung einer Kettenlasche und eine Kettenlasche A method of manufacturing a link plate and a link plate |
| 01/12/2005 | EP1495815A1 Method for cleaning a metallic surface |
| 01/12/2005 | CN2670026Y Punching apparatus of automobile body sheet plate |
| 01/12/2005 | CN1564766A Truck cab space frame |
| 01/12/2005 | CN1184029C Hot-punching die for forming blank of mining drill bit |
| 01/11/2005 | US6840078 Tool for shaping a workpiece |
| 01/06/2005 | WO2004017110A3 Stamping system for manufacturing high tolerance parts |
| 01/05/2005 | CN1561431A Method of manufacturing turbine frame of VGS type turbo charger, turbine frame manufactured by the method, exhaust gas guide assembly of VGS type turbo charger using the turbine frame and VGS type tur |
| 01/05/2005 | CN1182929C Converter for quick drawing-back steam head handle for converting single punching into multiple punchnig of stampingp press |
| 12/30/2004 | US20040261594 Stamping device for generally flat articles |
| 12/30/2004 | US20040261393 Link plate for silent chain and method of manufacturing same |
| 12/30/2004 | US20040261240 Link plate for roller chain and method of manufacturing same |
| 12/29/2004 | EP1491269A1 Method and device for marking workpieces from a working line, and a laser cell therefor |
| 12/29/2004 | CN1557607A Cold stamping forming process of biopsy pliers head |
| 12/25/2004 | CA2471673A1 Device for punching work pieces in an internal high-pressure forming tool |
| 12/25/2004 | CA2470231A1 Method and device for creating a hole on the outer circumference of a hollow profile |
| 12/23/2004 | US20040255746 Shearing device for peripheral wall of tube |
| 12/23/2004 | US20040255742 Ball-lock insert assemblies |
| 12/23/2004 | DE10322302A1 Sheet steel or aluminium metal cutting press for automotive body parts has two sequential cutting blades |
| 12/22/2004 | EP1225988B1 Multi-tool alignment apparatus |
| 12/22/2004 | EP1106039B1 Method for producing a contact between two conductive layers separated by an insulating layer |
| 12/22/2004 | CN1555952A Connecting method of electric conductor and welding flux and electron component element using said method |
| 12/21/2004 | CA2120298C Punching die |
| 12/16/2004 | WO2004026669A3 Method and device for processing a moving production part, particularly a vehicle body |
| 12/15/2004 | EP1486839A1 Cad/cam system for sheet metal working |
| 12/14/2004 | US6831812 Method of manufacturing a thrust plate, method of manufacturing a shaft for a hydrodynamic bearing, hydrodynamic bearing, spindle moto |
| 12/14/2004 | CA2250019C Press with a hydraulic plate |
| 12/09/2004 | US20040244459 Method and apparatus for producing thin walled tubular product with thick walled flange |
| 12/09/2004 | DE10328452B3 Production of a hole on the outer periphery of a closed hollow profile having high inner pressure comprises moving a stamp in a guiding hole of a deforming tool with a drive part and subjecting the stamp to drive contours of the drive part |
| 12/08/2004 | CN1552538A Machining method for vehicle drier casing |
| 12/02/2004 | US20040237748 Punch |
| 12/01/2004 | CN2659581Y Ram edge protecting gum for aluminium alloy superthin piece |
| 12/01/2004 | CN2659580Y Bottom bearing spraying powder slidway mfg. mould for drawer |
| 12/01/2004 | CN2659579Y Telescopic gripper of digital controlled punching machine |
| 11/30/2004 | US6823710 Die button extractor |
| 11/25/2004 | WO2004101204A1 Die button and die button extractor |
| 11/25/2004 | US20040232731 Truck cab space frame |
| 11/25/2004 | US20040231385 Rotary tools for in-line perforation of profiled products |
| 11/25/2004 | US20040231277 Apparatus and method for preparing U-shaped spacers for insulating units |
| 11/18/2004 | WO2004098845A1 Rotary on-the-fly tooling system |
| 11/18/2004 | US20040226693 Core structure of heat exchanger |
| 11/18/2004 | US20040226339 Die button extractor |
| 11/18/2004 | US20040226338 Die button extractor |
| 11/18/2004 | DE19805093B4 Verfahren zum Herstellen einer Gabel für Kardangelenke und Anordnung zur Durchführung des Verfahrens A method of manufacturing a fork for universal joints and assembly for implementing the method |
| 11/17/2004 | EP1478014A1 Improved production method for QFN leadframes |
| 11/17/2004 | EP1476260A1 Press action simulator for aerial cam set up |
| 11/17/2004 | EP0929369B1 Connector plate and punch for forming |
| 11/17/2004 | CN2656043Y Keel hole rolling device |
| 11/17/2004 | CN2656042Y Network shape stepped production mould |
| 11/17/2004 | CN1546253A Roller type press device |
| 11/11/2004 | WO2004096464A1 Punch for thin-plate metal and punch device for thin-plate metal with the punch |
| 11/11/2004 | DE10317015A1 Arrangement for stamping workpieces, has stamping blades arranged along stamping opening, ejection element movably guided relative to carrying element and pressure element above carrying element |
| 11/10/2004 | CN2654243Y Pneumatic synchronous punching machine |
| 11/10/2004 | CN1545709A Radioactive sources |
| 11/04/2004 | DE10317777A1 Verfahren zum Ausformen von Werkstücken A method of molding workpieces |
| 11/03/2004 | CN1542398A Core structure of heat exchanger |
| 11/03/2004 | CN1173788C Hole punching device and hole punching method |
| 11/02/2004 | US6810704 Press forming machine |
| 10/28/2004 | WO2004091824A1 A process and system for manufacturing brake shoe webs |
| 10/28/2004 | DE202004013336U1 Stanzmaschine mit federnd gelagerter Werkstückauflage Punching machine with resiliently mounted workpiece support |
| 10/27/2004 | EP1417054B1 Punching machine for sheet metal strip |
| 10/27/2004 | CN1172770C Method and apparatus for producing beneficial stresses around apertures by the use of focused stress waves |
| 10/21/2004 | US20040208948 Molding apparatus for press-forming |
| 10/21/2004 | US20040206223 Adjustable length punch assembly |
| 10/21/2004 | US20040206152 Sheet material with bend controlling displacements and method for forming the same |
| 10/21/2004 | US20040205966 Method of manufacturing turbine frame of vgs type turbo charger, turbine frame manufactured by the method, exhaust gas guide assembly of vgs type turbo charger using the turbine frame and vgs type turbo charger incorporating the exhaust gas guide assembly |
| 10/21/2004 | DE10350152B3 Production of a hollow body comprises shaping a hollow body blank in a forming tool using an internal high pressure forming process to produce the hollow body, and cutting a hole and a bracket out of a wall of the hollow body |
| 10/20/2004 | EP1468757A2 Method of forming a workpiece |
| 10/20/2004 | CN2649214Y Combined die |
| 10/19/2004 | CA2197417C A slotting tool |
| 10/14/2004 | WO2004027286A3 Ball screw and method for production of a ball screw nut, in particular for a ball screw |
| 10/14/2004 | US20040200333 360 Degree ball lock groove for a tool assembly |
| 10/14/2004 | DE10350156B3 Tool for cutting hollow strip has cutting and deforming functions, transversely adjustable cutting edge and shaping die wall |
| 10/14/2004 | DE102004002267B3 Einrichtung und Verfahren zur Herstellung eines Hohl- oder Schalenprofils Apparatus and method for producing a hollow or shell profile |
| 10/13/2004 | EP1466679A2 Press molding die and manufacturing method of same |
| 10/13/2004 | EP1466678A2 Modular multipurpose bending machine and its linear positioning system |