| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 09/19/2013 | DE102012102150A1 Punching machine for punching objects such as paper or paper stack, has drive, pressure piece, receiving groove and punching mechanism, where two support elements are arranged on side of receiving groove |
| 09/19/2013 | DE102012014096B3 Method for manufacturing slots in pipe wall or curved wall, involves arranging stamps in series, where stamps are engraved by pipe wall or curved wall and are curved with inner support of pipe |
| 09/19/2013 | DE102012005157A1 Method for punching of two overlapping sections of workpiece using punching device, involves moving intermediate die and supporting element on each other such that intermediate die is supported against forces occurring while cutting section |
| 09/19/2013 | DE102012005005A1 Method for manufacture of electrical sheets for iron cores of electrical machine e.g. electromotor and transformer, involves disconnecting punched out electric sheet carrier tape, and supplying carrier tape to roller |
| 09/18/2013 | CN203197999U Novel horizontal edge-trimming shear |
| 09/18/2013 | CN203197998U Punching pincers |
| 09/18/2013 | CN203197142U Metal plate forging cutting machine with feeding limiting mechanism |
| 09/18/2013 | CN203197094U Positioning and punching device |
| 09/18/2013 | CN203197093U Device for punching side holes in vehicle starting motor housing |
| 09/18/2013 | CN203197092U Automatic punch press applied to manufacturing door plates |
| 09/18/2013 | CN203197091U 20-type round pin flat hole manufacturing device |
| 09/18/2013 | CN203197090U 36-type round pin flat hole manufacturing device |
| 09/18/2013 | CN203197089U Mould with structure for preventing workpiece or scrap from ascending |
| 09/18/2013 | CN203197088U Die for preventing workpiece and waste material from rising by using compressed air |
| 09/18/2013 | CN203197087U Universal edge-cutting die for ball-pin forge pieces |
| 09/18/2013 | CN203197086U Metal piece rib-breaking mold |
| 09/18/2013 | CN203197085U Sheet-stamping cutting die for laminated battery |
| 09/18/2013 | CN203197084U Smooth blanking die with drawer |
| 09/18/2013 | CN203197083U Panel trimming die easy to disassemble and assemble |
| 09/18/2013 | CN203197082U Double-row rotor forming die |
| 09/18/2013 | CN203197081U Dual-die automatic cutting machine applied to manufacturing doorframe section bars |
| 09/18/2013 | CN203197080U Motor punching automatic notching system |
| 09/18/2013 | CN203197079U Automatic blanking device for LED bead metal rack component |
| 09/18/2013 | CN203197078U Automatic regular array production device for stamped planar reinforcing steel plates without holes |
| 09/18/2013 | CN103302176A Multifunctional hydraulic angle iron processing machine |
| 09/18/2013 | CN103302173A Spout-type die rotary device |
| 09/18/2013 | CN103302172A Machining method and system of intelligent adapting mold for flat plate punching production line |
| 09/18/2013 | CN103302171A Blank pipe fitting lateral surface punching die |
| 09/18/2013 | CN103302170A Thin-walled profile punching machine |
| 09/18/2013 | CN103302169A Device for punching holes on double-layer longitudinal beams |
| 09/18/2013 | CN103302168A Intelligent temperature monitoring and pressurizing blanking die |
| 09/18/2013 | CN103302167A Blanking die with slag separation function |
| 09/18/2013 | CN103302166A High-precision two-station covering part die |
| 09/18/2013 | CN103302165A Blanking die assembly with anti-seizure braking device |
| 09/18/2013 | CN102500684B Plane tray structure |
| 09/18/2013 | CN102357585B Lamp cap punching machine |
| 09/18/2013 | CN102350455B Method for manufacturing moving blade of multi-head rotary electric shaver |
| 09/12/2013 | WO2013132964A1 Cage for roller bearing, roller bearing and cage machining method |
| 09/12/2013 | DE19926481B4 Hydraulisches Arbeitsgerät Hydraulic implements |
| 09/12/2013 | DE102012101853A1 Method for manufacturing sheet metal part, involves transforming edge area, loosening fixed sheet metal part and removing sheet metal part, where sheet metal part comprises corner region that exhibits preset inner angle |
| 09/11/2013 | EP2636464A1 Blanking die assembly with anti-seizure braking device |
| 09/11/2013 | CN203184486U Automatic cutting machine provided with feeding adjusting device |
| 09/11/2013 | CN203184485U Automatic cutting machine provided with automatic feeding mechanism |
| 09/11/2013 | CN203184404U Thin-wall composite steel pipe stamping mold |
| 09/11/2013 | CN203184403U Punching die for inner side wall of part of car covering part |
| 09/11/2013 | CN203184402U Punching die |
| 09/11/2013 | CN203184401U Die for manual batch sample-making anvils |
| 09/11/2013 | CN203184400U Punching die |
| 09/11/2013 | CN203184399U 冲孔模上模总成 Punching die mold assembly |
| 09/11/2013 | CN203184398U Bidirectional module sliding block mechanism |
| 09/11/2013 | CN203184397U Automobile covering piece manual punching blanking device |
| 09/11/2013 | CN203184396U Punching device |
| 09/11/2013 | CN203184395U Electric helical notching machine |
| 09/11/2013 | CN203184394U Centrifugal balancing device for high-speed slot punching machine |
| 09/11/2013 | CN203184393U Stamping die turnover type waste sliding plate mechanism |
| 09/11/2013 | CN203184392U Notch mold |
| 09/11/2013 | CN203184391U Punching and shearing device for angle steel |
| 09/11/2013 | CN103286195A Blanking die with safety protection function |
| 09/11/2013 | CN103286194A Intelligent temperature-controlled blanking die |
| 09/11/2013 | CN103286193A Blanking die with braking function |
| 09/11/2013 | CN103286192A Blanking die with material-skip-proof function |
| 09/11/2013 | CN103286191A Rapid adjusting structure of male die coping cutting edge fixing press blocks |
| 09/11/2013 | CN103286190A Inclined cutting mechanism of stamping die |
| 09/11/2013 | CN103286189A Die sidewise trimming mechanism |
| 09/11/2013 | CN103286188A Stamping equipment for grid plates of lead-acid storage battery |
| 09/11/2013 | CN103286187A Board blanking and arranging method and device |
| 09/10/2013 | CA2629717C Hot tap machine |
| 09/05/2013 | US20130227999 Workpiece punch-molding method and workpiece punch-molding device |
| 09/04/2013 | CN203170809U Compound punching die |
| 09/04/2013 | CN203170808U Punching die |
| 09/04/2013 | CN203170807U Normally-installed type compound die structure |
| 09/04/2013 | CN203170806U Three-dimension adjustable one-time punching device for car window frame strip |
| 09/04/2013 | CN203170805U Punching device without concave die |
| 09/04/2013 | CN203170804U Four-head united punching machine |
| 09/04/2013 | CN203170803U Punching mould |
| 09/04/2013 | CN203170802U Punching machine for punching stainless steel anti-theft mesh patterns and handrail |
| 09/04/2013 | CN203170801U Sheet material punching mechanism based on ratchet mechanism |
| 09/04/2013 | CN203170800U Combined trimming mold |
| 09/04/2013 | CN203170799U Sealing gasket stamping device of heat exchange unit |
| 09/04/2013 | CN203170798U Stamping die of accelerator bracket plate for forklift |
| 09/04/2013 | CN203170797U Groove shape metal strip end socket punching and cutting-off die |
| 09/04/2013 | CN203170796U Novel bent pipe cutting die |
| 09/04/2013 | CN203170795U Split type guide pillar for shearing jig |
| 09/04/2013 | CN203170794U Green body fracturing die of punch press |
| 09/04/2013 | CN203170793U Trimming mold structure of blades |
| 09/04/2013 | CN203170792U Shrapnel punching device of cap automatic upper shrapnel assembling machine |
| 09/04/2013 | CN203170791U Numerical control cross cut shear |
| 09/04/2013 | CN203170790U Angle iron cropping device |
| 09/04/2013 | CN203170789U Die conducting automatic cutting on clamping frame products |
| 09/04/2013 | CN103273623A Positioning and cutting mechanism with multiple metal inserts |
| 09/04/2013 | CN103273538A Punching die of floating die and with locating and limiting device |
| 09/04/2013 | CN103273532A Novel horizontal end-trimming machine |
| 09/04/2013 | CN103272960A Welding-free circular pipe forming method |
| 09/04/2013 | CN103272944A Corner protection annular bent bar forming and resetting device for steel coil package |
| 09/04/2013 | CN103272919A Perforating die structure for ribbon retainer |
| 09/04/2013 | CN103272918A Mold capable of guaranteeing punching quality of main fin of radiator |
| 09/04/2013 | CN103272917A Rapid automatic punching machine for trunking |
| 09/04/2013 | CN103272916A Punching die |
| 09/04/2013 | CN103272915A Sheet metal part blanking die |
| 09/04/2013 | CN103272914A Material supporting rack of stamping blanking die |