| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 05/26/2005 | WO2005046898A2 Tool and method for cutting a hollow profile |
| 05/26/2005 | US20050109178 Method of producing iron core and apparatus for producing iron core |
| 05/26/2005 | CA2543808A1 Tool and method for cutting a hollow profile |
| 05/25/2005 | CN1203261C Mfg. method of thrust plate and mfg. method of shaft for fluid power bearing |
| 05/24/2005 | US6895849 Stripper plate retention system |
| 05/24/2005 | US6895797 Punch assembly with feed gap maximization |
| 05/19/2005 | WO2005044480A1 Die for press and die for punch press |
| 05/19/2005 | US20050105982 Punch assembly |
| 05/19/2005 | US20050103177 Double acting cam die |
| 05/18/2005 | EP1531062A2 Process for drilling a spoke wheel, rim drilled according this process, insert adapted to equip the rim, and wheel particularly for cycle |
| 05/18/2005 | EP1531015A1 Double acting cam die |
| 05/18/2005 | EP0849070B1 Control device for hydraulically driven tool |
| 05/18/2005 | CN1617776A Press action simulator for aerial cam set up |
| 05/14/2005 | CA2480746A1 Double action cam die |
| 05/12/2005 | US20050097746 Louvered fin for a heat exchanger |
| 05/11/2005 | EP1529987A2 Roller cam mechanism and drive assembly with positive retraction |
| 05/11/2005 | EP1529576A1 Punch press die |
| 05/11/2005 | CN2698486Y Big circular hole step-punching punch for turret punch press |
| 05/11/2005 | CN2698485Y Improvement for transverse fixed seat |
| 05/06/2005 | WO2005039800A1 Boring device and boring method |
| 05/05/2005 | US20050093381 Electrical machine and method of manufacturing the same |
| 05/05/2005 | US20050092055 Roller cam mechanism and drive assembly with positive retraction |
| 05/05/2005 | US20050092051 One piece foliated leads for sealing in light sources |
| 05/05/2005 | CA2479447A1 Roller cam mechanism and drive assembly with positive retraction |
| 05/04/2005 | DE10342084B3 Cooler production process to make cooler for fuel involves lining up end surfaces, inserting at least one punch in channel, stamping and removing punch |
| 05/04/2005 | CN2696741Y Perforating machine |
| 05/04/2005 | CN2696740Y Pliers for edge perforating |
| 04/29/2005 | CA2486009A1 Electrical machine and method of manufacturing the same |
| 04/28/2005 | WO2004060620A3 Punching tool |
| 04/28/2005 | US20050086804 Process for machining axial blade slots in turbine disks for jet engines |
| 04/27/2005 | EP1526321A1 Tool for producing a hole in a fluid line |
| 04/27/2005 | CN1608766A Metal die for pressure processing and pressure processing method |
| 04/26/2005 | US6883410 Method and apparatus for manufacturing a press-formed object |
| 04/26/2005 | US6883234 Process for machining axial blade slots in turbine disks for jet engines |
| 04/21/2005 | WO2005035163A1 The prevention of formation of burrs in a blanking process of a transverse element for a push belt for a continuously variable transmission |
| 04/21/2005 | US20050081589 Method and apparatus for forming a threaded hole in a hydroformed part |
| 04/20/2005 | CN1607078A Blanking station of a diecutting press |
| 04/14/2005 | WO2005032777A2 Alignment ring for a punch |
| 04/14/2005 | US20050076761 Blanking station of a diecutting press |
| 04/14/2005 | US20050076696 Plate material processing machine with bending function and tool for the same |
| 04/14/2005 | DE102004043887A1 Stufenweise Pressvorrichtung Gradual compression device |
| 04/13/2005 | CN2691732Y Screw head punch needle |
| 04/13/2005 | CN2691731Y Punch pressing processing device of pipe material |
| 04/13/2005 | CN2691730Y Lock sheet cold extrusion shaping machine |
| 04/12/2005 | US6877408 Press punching method and apparatus for forming a plurality of through holes by changing a travel distance of a punching mold |
| 04/12/2005 | US6877353 Die button extractor |
| 04/12/2005 | US6877349 Slitting a sheet of metal for bending along a bend line; casting molds |
| 04/07/2005 | US20050072287 Pierce cam |
| 04/07/2005 | DE10350154B3 Process for simultaneously producing separated workpieces by inner high pressure or hydro deformation comprises exposing cutting edges during deformation, and passing a blank into a gap between the cutting edges during deformation |
| 04/06/2005 | EP1520638A1 Pierce cam |
| 04/06/2005 | CN2690109Y New indexing mechanism of stator slot punching machine |
| 04/05/2005 | US6874221 Sensorless control induction motor rotor slot shapes and fabrication methods |
| 04/02/2005 | CA2480731A1 Pierce cam |
| 03/31/2005 | WO2005028137A1 V-belt driven workpiece provided with elements which can be adjusted in respect to each other for cut-free forming of a sheet metal workpiece in a press |
| 03/31/2005 | US20050070420 Pressing unit for separating the diecut blanks of a sheet |
| 03/31/2005 | DE10340509A1 Keiltriebwerkzeug mit zueinander verstellbaren Elementen zum schneidlosen Formen eines Blechwerkstückes in einer Presse Cotter key tool with adjustable elements to each other without a cutting forming a sheet metal workpiece in a press |
| 03/30/2005 | EP1517760A1 Improved stripper plate retention system |
| 03/30/2005 | EP1150787B1 Punching press device for punching openings in profiled bars, and method of punching |
| 03/30/2005 | CN2688412Y Punching device of cylindrical piece |
| 03/30/2005 | CN2688411Y Structure of metal net shaping apparatus |
| 03/30/2005 | CN1601417A Integrated support system for supporting sheet metal machining |
| 03/24/2005 | US20050064138 Method for precision bending of sheet of materials, slit sheets fabrication process |
| 03/24/2005 | US20050061407 Wave-processing method and wave-processing die for core metal of wet friction material |
| 03/24/2005 | US20050061171 System of punching or printing |
| 03/24/2005 | DE10340794A1 Process and sequential tooling assembly to fabricate complex three-dimensional sheet metal component with one or more apertures |
| 03/24/2005 | DE10339970A1 Cutting tool for sheet metal and other flat panels has housing coupled to a linkage and tool that advance to the work piece |
| 03/23/2005 | EP1515808A1 Method of stamping and piercing a tube |
| 03/23/2005 | CN2686761Y Pipeline perforating machine |
| 03/23/2005 | CN1193864C Apparatus for punching steel studs |
| 03/22/2005 | US6869002 Apparatus for a intermittent feeding of a strip shaped blank to a press and a method of operating same |
| 03/22/2005 | US6868767 Flexible manufacturing press assembly |
| 03/22/2005 | US6868763 Method and machine for the continuous multi-stroke slotting of plate-shaped workpieces |
| 03/17/2005 | WO2005024994A1 Electromagnetic contact waveguide, its assembly, process for producing the same and recording medium |
| 03/16/2005 | EP1515418A2 Manufacturing method for a motor layered core, manufacturing apparatus thereof, and stacking jig thereof |
| 03/16/2005 | EP1514649A1 Self-adjusting support for moulds and dies |
| 03/16/2005 | CN1595771A Manufacturing method for a motor layered core, manufacturing apparatus thereof, and stacking jig thereof |
| 03/10/2005 | WO2005022557A1 On-vehicle electromagnetic circuit conduction transmission body and connection structure body and assembly, and production methods therefor |
| 03/10/2005 | US20050051009 Apparatus for forming a baffle |
| 03/10/2005 | US20050050938 Progressive pressing apparatus |
| 03/10/2005 | US20050050935 Shearing method for thin plate |
| 03/10/2005 | US20050050714 Manufacturing method for a motor layered core, manufacturing apparatus thereof, and stacking jig thereof |
| 03/09/2005 | CN1592662A 冲模装置 Die means |
| 03/09/2005 | CN1590092A System of punching or printing |
| 03/09/2005 | CN1590045A Pressing unit for separating the diecut blanks of a sheet |
| 03/04/2005 | CA2480543A1 System of punching or printing |
| 03/03/2005 | US20050045014 Machine for the continuous multi-stroke slotting of plate-shaped workpieces |
| 03/03/2005 | US20050044915 Finned multi-aperture sheet metal, method of manufacturing the sheet metal, part for exhaust emission control device using the sheet metal, and method of manufacturing the part for exhaust emission control device |
| 03/03/2005 | DE4117614B4 Kupplungsscheibe Clutch plate |
| 03/03/2005 | DE10329095B3 Verfahren und Vorrichtung zum Beschriften von in einer Arbeitslinie gefertigten Teilen als auch eine Laserzelle hierfür Method and apparatus for labeling of manufactured parts in a working line and a laser cell releases |
| 03/02/2005 | EP1219364B1 Metal sheet perforating disk roll, metal sheet perforating device using the roll and metal sheet perforating method |
| 03/02/2005 | CN2681834Y Precision punching device for orifice of holding rack |
| 03/01/2005 | US6860133 Plate material processing machine with bending function and tool for the same |
| 02/24/2005 | WO2005016573A1 Machine tool with tool raising mechanism |
| 02/24/2005 | WO2005016572A1 Punch press with universal rotary head |
| 02/24/2005 | US20050040775 Punch press |
| 02/23/2005 | EP1507609A1 Apparatus for cutting and nibbling a sheet metal in coil form |
| 02/23/2005 | EP1507608A1 Method and apparatus for forming a structural member |
| 02/23/2005 | CN1583313A Hole punching device and hole punching method |
| 02/23/2005 | CN1583312A Cylindric push-cutting and edging composite tool for cutting and punching |
| 02/23/2005 | CN1190280C Punching method and apparatus of V-ribbed steel net |