| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 05/11/2011 | CN201823816U Chain plate blanking die |
| 05/11/2011 | CN201823815U Punching machine |
| 05/11/2011 | CN201823814U Rail spike edge-cutting device |
| 05/11/2011 | CN201823813U Punch forming mould |
| 05/11/2011 | CN201823812U Movement operating mechanism for tableting mechanism on notching press |
| 05/11/2011 | CN201823811U Multistation punching and molding device for copper cap of battery |
| 05/11/2011 | CN102049450A Manufacturing method of frictional rotating subassembly of hinge device |
| 05/11/2011 | CN102049445A Paillette stamping machine |
| 05/11/2011 | CN102049444A Plane edge-pressing and semi-fine blanking device and method |
| 05/11/2011 | CN101674902B Member having chamfered through-hole and method of producing the same |
| 05/11/2011 | CN101520286B Inside supporter of uniform temperature plate and production method thereof, and uniform temperature plate |
| 05/11/2011 | CN101038961B Apparatus for preparing Two-sided micropore burr steel belt |
| 05/05/2011 | WO2011053258A1 Apparatus for retaining a package of laminations of an electromagnetic core in a device for the production thereof |
| 05/05/2011 | WO2011050584A1 Automatic processing machine for header |
| 05/05/2011 | WO2011050583A1 Flat hole punching device for collecting pipe |
| 05/05/2011 | WO2010108486A4 Stamping method and workpiece produced therewith |
| 05/05/2011 | US20110100184 Tool Press Drive |
| 05/05/2011 | DE102009050226A1 Method for temporarily producing opening in e.g. component part of passenger car during regular production process of vehicle, involves relocating stamping die, and taking out stamping tool from component part |
| 05/04/2011 | EP2316588A2 Punch press drive |
| 05/04/2011 | EP2316587A1 Rotatable support for punch press |
| 05/04/2011 | EP2316586A1 Sheet metal with bend controlling displacements and method for forming the same |
| 05/04/2011 | CN201820832U Button type battery manganese piece shearing and pressing net machine |
| 05/04/2011 | CN201815596U Connecting rod punching correction compound die |
| 05/04/2011 | CN201815592U Single-engineering continuously punching device |
| 05/04/2011 | CN201815591U Fine blanking die for square hole of moving iron core for automobile starter switch |
| 05/04/2011 | CN201815590U Automotive starter switch shell bottom multi-pole precisely-punching die |
| 05/04/2011 | CN201815589U Punching device |
| 05/04/2011 | CN201815588U High-speed slot puncher |
| 05/04/2011 | CN201815587U Static iron core precision stamping die of automobile starter switch |
| 05/04/2011 | CN201815586U Male mold structure for punching mold with slotted hole |
| 05/04/2011 | CN201815585U Electrothermal controller clipping die |
| 05/04/2011 | CN201815584U Precision punching machine for forcible pressing plate |
| 05/04/2011 | CN102039346A Opposite teeth extruding type fine-blanking die and fine-blanking method adopting same |
| 05/04/2011 | CN102039341A Friction welding extra-high strength steel hole-expanded punch needle |
| 05/03/2011 | US7934409 Metal structure defining circular flanged hole and method for making the same |
| 04/28/2011 | US20110094358 Punch for punching sheet metal, sheet metal punching apparatus having the punch, and method therefor |
| 04/28/2011 | DE102009049155A1 Device for producing test sample made of sheet material, has cutting tool by which outer edge that is to be tested is generated as cutting edge with defined cutting edge line |
| 04/27/2011 | CN201807654U Full-guide hot punching blank punching device with double-guide-pillar structure |
| 04/27/2011 | CN201807653U Novel composite automatic mesh punching machine for metal pin holes |
| 04/27/2011 | CN201807652U Tie body punching device for stainless steel cable tie |
| 04/27/2011 | CN201807651U Automatic press line sector mould |
| 04/27/2011 | CN201807650U Special mould for grinding carrier |
| 04/27/2011 | CN102029328A Metal joint body and apparatus for manufacturing the metal joint body |
| 04/27/2011 | CN102029323A Ring forge piece punching and cutting composite type mould |
| 04/27/2011 | CN102029322A Punch die |
| 04/27/2011 | CN102029321A Spring plate puncture forming device |
| 04/27/2011 | CN102029320A Computer numerical control (CNC) servo high-speed notching press |
| 04/27/2011 | CN102029319A Arc punch die |
| 04/27/2011 | CN102029318A Device and method for manufacturing work |
| 04/27/2011 | CN101442898B Numerical control forming machine for integrated circuit pin |
| 04/27/2011 | CN101407012B Manufacturing method of metal framework for flat panel display |
| 04/21/2011 | WO2010082119A3 Turbocharger and manufacturing method for turbocharger |
| 04/20/2011 | EP2311592A1 Adapter for tapping, tapping metal mold, tap die, and method of detecting over-stroke of tap |
| 04/20/2011 | EP1540207B1 Ball screw and method for production of a ball screw nut for a ball screw |
| 04/20/2011 | CN201799544U Three-position two-point type ten-mould hydraulic bus processing machine |
| 04/20/2011 | CN201799519U Stamping device in section punching machine |
| 04/20/2011 | CN201799518U Tapping module for thin walled tube |
| 04/20/2011 | CN201799517U Blanking die of scraping plate |
| 04/20/2011 | CN201799516U Splash and scatter resistant blanker |
| 04/20/2011 | CN102019324A Riveting method and riveting structure for panel television set wall hanger |
| 04/20/2011 | CN102019322A Die |
| 04/20/2011 | CN102019319A Mold structure of L-shaped connecting sheet for cable bridge |
| 04/20/2011 | CN101637792B Punch forming device of guide grooves of energy-absorbing box of automobile anti-collision rod |
| 04/19/2011 | US7926399 Punch assembly |
| 04/14/2011 | WO2011043314A1 Method of manufacturing perforated pipe for gas generator, as well as gas generator |
| 04/14/2011 | WO2011043148A1 Knockout device |
| 04/14/2011 | DE102009048858A1 Verfahren und Vorrichtung zum versprödungsfreien Schneiden eines metallischen Werkstoffs Method and apparatus for cutting a metallic material embrittlement |
| 04/13/2011 | EP2308625A1 Method and device for cutting a metallic material without introducing brittleness |
| 04/13/2011 | CN201792393U Universal die set for blanking washers |
| 04/13/2011 | CN201791819U Stamping process model provided with stepping location structure |
| 04/13/2011 | CN201791818U Mesh punching and shearing mold |
| 04/13/2011 | CN201791817U Punching machine used in tubular product |
| 04/13/2011 | CN201791816U Crossover tapered wedge device |
| 04/13/2011 | CN201791815U Shearing die for metal plate of automobile |
| 04/13/2011 | CN201791814U Trimming die for oil disc |
| 04/13/2011 | CN201791813U Pressure regulator base multi-station continuous die capable of punching four lateral slotted holes |
| 04/13/2011 | CN201791812U Stamping and positioning device and stamping mould with same |
| 04/13/2011 | CN102016329A CNC punching machine |
| 04/13/2011 | CN102009348A Device for automatically expanding and punching pipe fittings |
| 04/13/2011 | CN102009344A Automatic pipe machining machine |
| 04/13/2011 | CN102009099A Process for forging Cr12 roller punched holes |
| 04/13/2011 | CN101623725B Overturnable punching machine used for draw bender |
| 04/13/2011 | CN101612636B Method and device for punching multiple holes on square tube, and aerator manufactured therefor |
| 04/13/2011 | CN101483976B Method for manufacturing flexible substrate and flexible substrate punching device |
| 04/13/2011 | CN101022901B Fatigue-resistance sheet slitting method and resulting sheet |
| 04/08/2011 | CA2696956A1 Stamper for microneedle sheet, production method thereof, and microneedle production method using stamper |
| 04/07/2011 | WO2011041107A1 Ball-lock retainers and methods for controlling ball bounce in a ball-lock retainer |
| 04/07/2011 | WO2011039730A1 Embossing apparatus with a moveable, cammed - actuated forming die |
| 04/07/2011 | WO2011039696A1 .a hollow punch for processing leather and a system for removably blocking the hollow punch to a shaft of a machine for processing leather |
| 04/07/2011 | WO2011038947A1 Device and method for the cutting shock damping of work machines |
| 04/07/2011 | US20110079068 Method for manufacturing a cooling plate for a metallurgical furnace |
| 04/07/2011 | DE102010041891A1 Vorrichtung und Verfahren zum Herstellen eines Werkstücks Apparatus and method for producing a workpiece |
| 04/06/2011 | EP2303488A1 Method and device for producing fine-blanked parts from a material strip |
| 04/06/2011 | EP2303487A2 Explosion forming system |
| 04/06/2011 | CN201783566U Machining die for kidney-shaped hole of metal square pipe |
| 04/06/2011 | CN201783565U Scale division punching die machine for tubular pile end plate and flange |
| 04/06/2011 | CN201783564U Novel device for bearing bush punching |
| 04/06/2011 | CN201783563U Mesh die for forming densely distributed meshes |
| 04/06/2011 | CN201783562U Punching mould for curved surface |
| 04/06/2011 | CN201783561U No-trimming polygon thin-slice hardware piece |