| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 06/23/2004 | CN1506176A Hydraulic perforator |
| 06/22/2004 | US6751994 Method and apparatus for forming a structural member |
| 06/17/2004 | WO2004005044A3 Multi-station press machine for cards |
| 06/17/2004 | US20040112188 Method for press punching a hole in sheet metal and press die |
| 06/16/2004 | CN1504279A Production method of porous shell |
| 06/15/2004 | US6748787 Method of producing workpiece having irregular cross section by stamping thin plate into thick plate |
| 06/10/2004 | US20040108305 Method and apparatus for laser cutting sheet metal parts |
| 06/10/2004 | US20040107759 Forging work method, and method of manufacturing liquid ejection head using the same |
| 06/09/2004 | EP1347844A4 Method for precision bending of a sheet of material and slit sheet therefor |
| 06/09/2004 | DE10308709A1 Stamping process for use with hollow workpiece made of aluminum involves stamping slit in sidewalls followed by stamping of curved portions |
| 06/08/2004 | US6745458 Laminated magnetic core and method for making |
| 06/03/2004 | WO2004026537A3 Method and device for producing a connecting area on a production part |
| 06/03/2004 | US20040103535 Method of forming flat-tube insertion slots in a header tube |
| 06/02/2004 | CN1151918C Method for processing injection molding insert pipe |
| 05/27/2004 | WO2004043623A1 Method of forming hydroformed member with opening |
| 05/27/2004 | DE20320344U1 Cutting press e.g. for cutting the ends of rods used in the opening and closing mechanisms of windows, includes visual alignment window for aligning pairs of cutting tools being used and object to be cut |
| 05/26/2004 | EP1422385A1 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 |
| 05/26/2004 | CN2617492Y Continuous plate punching machine tool |
| 05/19/2004 | EP1420147A1 Workpiece comprising interconnected lamination stacks |
| 05/19/2004 | EP1419861A1 A device for rotative stamping-out, particularly of endless profiles |
| 05/19/2004 | EP1419832A1 Device arrangement comprising several shaping devices for shaping sheet like workpieces |
| 05/18/2004 | US6736039 Workpiece shift apparatus for punch press |
| 05/13/2004 | US20040091215 Stamping system for manufacturing high tolerance parts |
| 05/12/2004 | EP1417054A1 Punching machine for sheet metal strip |
| 05/12/2004 | EP1274523B1 Hydroforming flush system |
| 05/12/2004 | EP0865846B1 Punching machine and punching method |
| 05/12/2004 | CN1496291A Punch press |
| 05/12/2004 | CN1494963A Punching method and method and equipment for mfg. liquit-fetting head using the same |
| 05/11/2004 | US6733899 Metal plate and method of shaping the same |
| 05/06/2004 | WO2004037482A1 Tapping method and device, and punch press |
| 05/06/2004 | WO2004037461A1 A method of processing metal parts by blanking |
| 05/06/2004 | EP1415736A1 Combined punching and cutting tool |
| 05/06/2004 | DE10248207A1 A method for shearing small metallic parts has a system of laser radiation which is focused on the cutting area to heat the workpiece prior to stamping |
| 05/04/2004 | US6729172 Methods and apparatus for manufacturing press formed articles |
| 04/29/2004 | US20040079190 Composite containing metal and ceramic segments; sintering, impregnating with catalyst solutions |
| 04/29/2004 | US20040079134 Punch assembly with feed gap maximization |
| 04/29/2004 | DE4494432B4 Stanzpresse mit einem Werkzeugmagazin Punch press with a tool magazine |
| 04/29/2004 | DE10248129A1 Verfahren zur Herstellung ringförmiger Blechpakete für vielpolige elektrische Maschinen Process for the preparation of annular plate packages for multi-pole electrical machines |
| 04/28/2004 | EP1412170A2 Press apparatus, striker control modular tool apparatus and programmable method for punching apertures into a workpiece |
| 04/27/2004 | US6727006 Method for production and/or processing of plug parts in follow-on composite tools |
| 04/27/2004 | US6725756 Two-piece metal punch construction |
| 04/27/2004 | US6725751 Rotary punching apparatus |
| 04/22/2004 | WO2004033126A1 Press-hardened part and method for the production thereof |
| 04/22/2004 | US20040074356 Coil stock stress relief |
| 04/22/2004 | DE202004002900U1 Trennbare Stanze für Speichenlöcher einer Radfelge Separable punch for spokes of a wheel rim holes |
| 04/22/2004 | DE10246591A1 Punching die tool e.g. for punching holes into ceramic work pieces has die part fastened nondestructive via fastener system, to connection part for mounting on machine tool |
| 04/21/2004 | EP1410857A2 Method of manufacture of annular shaped lamination stack for multipole electrical machines |
| 04/20/2004 | CA2162694C Apparatus and method for transferring and forming parts in a press |
| 04/15/2004 | WO2004030842A1 Method of processing formed product, and metal cope and metal drag used for the method |
| 04/15/2004 | DE10245371A1 Verfahren und Vorrichtung zum Ausschneiden von Blechzuschnitten Method and apparatus for cutting out sheet metal blanks |
| 04/14/2004 | EP1407852A2 Process for machining axial blade slots in turbine disks for jet engines |
| 04/14/2004 | EP1406752A1 Holding arrangement for punching tool insert |
| 04/14/2004 | CN1145444C Bracket system for shelf |
| 04/13/2004 | US6718860 Method and apparatus for making holes in pipe |
| 04/13/2004 | US6718611 Method of manufacturing perforated metal cover |
| 04/08/2004 | WO2004028937A2 Manufacturing folded structures and sheet therefore |
| 04/08/2004 | WO2004028721A1 Ultrafine hole punching method and punching machine |
| 04/08/2004 | US20040065136 Expandable forming tool |
| 04/08/2004 | US20040065135 Expandable forming tool |
| 04/08/2004 | US20040064944 Process for machining axial blade slots in turbine disks for jet engines |
| 04/08/2004 | DE202004001360U1 Vorrichtung zum Haltern eines Stempelwerkzeugs Means for holding a stamp tool |
| 04/08/2004 | DE10242710A1 Verfahren zum Herstellen eines Verbindungsbereiches auf einem Werkstück A method for producing a connecting portion on a workpiece |
| 04/08/2004 | CA2499934A1 Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor |
| 04/07/2004 | EP1405682A2 Expandable forming tool |
| 04/07/2004 | EP1404469A1 Rotary tools for in-line perforation of profiled products |
| 04/07/2004 | EP1349681B1 A device for machining band-like or plate-like material |
| 04/07/2004 | CN1486803A Metal plate punching and inner extruding reinforcing process |
| 04/07/2004 | CN1144636C Hinge core shaping mould for processing steel door hinge cylinder and hinge core shaping method |
| 04/01/2004 | WO2004027286A2 Ball screw and method for production of a ball screw nut, in particular for a ball screw |
| 04/01/2004 | WO2004026673A2 Method and device for the positionally precise mounting of an add-on part on a vehicle body |
| 04/01/2004 | WO2004026672A2 Method and device for the positionally precise mounting of a hinged flap on a part |
| 04/01/2004 | WO2004026671A2 Method and device for the positionally precise grasping of a production part from a production part support |
| 04/01/2004 | WO2004026670A2 Method and device for mounting several add-on parts on production part |
| 04/01/2004 | WO2004026669A2 Method and device for processing a moving production part, particularly a vehicle body |
| 04/01/2004 | WO2004026537A2 Method and device for producing a connecting area on a production part |
| 04/01/2004 | DE20306090U1 Rotative stamping device for endless extruded product with adjustable radial cap between cooperating counter-rotating drum-shaped tool carriers |
| 03/31/2004 | EP1402986A1 Method and apparatus for cutting out of sheet blanks |
| 03/31/2004 | CN1486287A Molding tool formed of gradient composite material and method of producing the same |
| 03/31/2004 | CN1485208A Forging forcer, liquid jet head making method using the forging forcer and liquid jet head |
| 03/31/2004 | CN1485165A Forging processing method and liquid jet head manufacturing method using forging processing method |
| 03/31/2004 | CN1485162A Production method for punched steel tape used on the pole plate of nickel-hydrogen battery |
| 03/30/2004 | US6711928 Method and apparatus for producing beneficial stresses around apertures, and improved fatigue life products made by the method |
| 03/25/2004 | US20040055358 Punch press |
| 03/25/2004 | US20040055353 Forging punch, method of manufacturing liquid ejection head using the same, and liquid ejection head manufactured by the method |
| 03/25/2004 | DE10243020A1 Method for production of spindle nut containing ball drive, creating opening by radial moved punching tool |
| 03/25/2004 | DE10131889B4 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 |
| 03/24/2004 | EP1399279A1 Adjustable length punch assembly |
| 03/24/2004 | CN2607212Y Multifunctional hand puncher |
| 03/23/2004 | US6709061 Seat frame structure and method for forming |
| 03/23/2004 | US6708542 Electromagnetic and/or electrohydraulic forming of a metal plate |
| 03/18/2004 | DE19740286B4 Bauteil, bestehend aus mehreren Flachmateriallagen und Verfahren zu seiner Herstellung Component, consisting of several layers of flat material and process for its preparation |
| 03/18/2004 | DE10255219B3 Stamp mounting for punch press has adjusting ring with spaced notches to allow angular adjustment of cutting head |
| 03/16/2004 | US6705979 Method of and apparatus for machining web-shaped workpiece and apparatus for processing scrap |
| 03/11/2004 | US20040045424 Punch press, method of replacing punch and die for punch press, and punch system |
| 03/11/2004 | DE20216772U1 Kombiniertes Stanz- und Schneidwerkzeug Combined Punching and cutting tool |
| 03/10/2004 | EP1396868A1 Method and device for machining stacked core |
| 03/10/2004 | EP1396298A2 Method for producing multi-layered gaskets |
| 03/09/2004 | CA2265706C Connector plate and punch for forming |
| 03/03/2004 | CN1478619A Method for manufacturing element of continuous variable transmission belt |
| 03/02/2004 | US6698939 Increasing resin bonding; preventing deformation; using polygonal openings and raised pieces |