Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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03/19/2014 | CN203484552U Linear punching device capable of positioning buses automatically |
03/19/2014 | CN203484544U Self-lubricated punching machine |
03/19/2014 | CN203484494U Longitudinal member combined punching die |
03/19/2014 | CN203484493U Electric vehicle shock absorber front upper end cover blanking device |
03/19/2014 | CN203484492U Steel pipe perforator |
03/19/2014 | CN203484491U Punching die |
03/19/2014 | CN203484490U Punching head of punching machine |
03/19/2014 | CN203484489U Door lock punching jig |
03/19/2014 | CN203484488U Punching machine |
03/19/2014 | CN203484487U Die capable of discharging scraps |
03/19/2014 | CN203484486U Novel pipe cutting die |
03/19/2014 | CN203484485U Forming die of left connecting piece for automotive motor |
03/19/2014 | CN203484484U Hub punch die |
03/19/2014 | CN203484483U Cutting die |
03/19/2014 | CN203484482U Discharge device of automatic shoe shank stamping |
03/19/2014 | CN203484481U Motor stator and rotor automatic punching machine |
03/19/2014 | CN203484480U PVC profile steel lining grooving device |
03/19/2014 | CN203484479U Special trimming machine for removing burrs |
03/19/2014 | CN203484478U Hydraulic combined punching and shearing machine |
03/19/2014 | CN103639310A Bottom supporting base for hole location stamping of washing machine box body |
03/19/2014 | CN103639293A Self-positioning processing equipment for circular cone and spherical roller holder |
03/19/2014 | CN103639287A Air duct producing device |
03/19/2014 | CN103639279A Guide arm punching mold |
03/19/2014 | CN103639278A Ear-hole punching die of basin stand |
03/19/2014 | CN103639277A Stamper punch for punching |
03/19/2014 | CN103639276A Stretchable-piece pre-punching mold |
03/19/2014 | CN103639275A Anti-deformation negative clearance punching die |
03/19/2014 | CN103639274A Four-column oil-pressure square pipe punching equipment |
03/19/2014 | CN103639273A Stamping structure for dishwasher liner board |
03/19/2014 | CN103639272A Stamping device for dishwasher liner board |
03/19/2014 | CN103639271A Servo punching main transmission device of numerical control turret punch press |
03/19/2014 | CN103639270A Hole location stamping structure for washing machine box body |
03/19/2014 | CN103639269A One-step pattern punching die |
03/19/2014 | CN103639268A Anti-deformation elastic fine-blanking upper die structure |
03/19/2014 | CN103639267A Anti-deformation elastic negative clearance fine-blanking die |
03/19/2014 | CN103639266A Magnetic-conducting piece blanking die |
03/19/2014 | CN103639265A Lower die structure of magnetic-conducting piece blanking die |
03/19/2014 | CN103639264A Piercing die and punching-cutting machining method |
03/19/2014 | CN103639263A Punching and cutting process |
03/19/2014 | CN102554961B Intro-pipe punching device |
03/18/2014 | US8671731 Progressively stamped clip-on noise damping shim for friction assembly, and method and apparatus for producing clip-on noise damping shim |
03/13/2014 | WO2014038257A1 Lamination device and laminate production system |
03/12/2014 | EP2705914A1 Device for punching a sheet-metal part, including sliding punches |
03/12/2014 | CN203482576U A shielding piece with a half-cut structure and a mould used for forming the shielding piece |
03/12/2014 | CN203471388U Multilayer annular disk body superposition one-off drilling machining positioning frame |
03/12/2014 | CN203470712U Self-locking supporting mechanism for barrel forming die |
03/12/2014 | CN203470649U Progressive die of U-shaped handle guide mounting plate |
03/12/2014 | CN203470637U Fixing structure for chamfering die body of door frame chamfering die |
03/12/2014 | CN203470625U Flange forming machine |
03/12/2014 | CN203470620U Punching female die of belt pulley of automobile air-conditioner compressor |
03/12/2014 | CN203470619U Lower mould structure of step-type annular disc body punching hole |
03/12/2014 | CN203470618U Punched hole die structure designed in optimized mode |
03/12/2014 | CN203470617U Flat hole stamping mould |
03/12/2014 | CN203470616U Guiding device used for punching central moment holes |
03/12/2014 | CN203470615U Former for inserting hole of fuel tank float |
03/12/2014 | CN203470614U Structured packing punching device |
03/12/2014 | CN203470613U Auxiliary device for punching holes in equipment cable clamp |
03/12/2014 | CN203470612U Compensation shearing die for punching plate |
03/12/2014 | CN203470611U Floating waste knife mechanism |
03/12/2014 | CN203470610U Arc-punching forming device for rail end |
03/12/2014 | CN203470609U Cutting-off mechanism used for multi-position progressive die of air conditioner heat transfer piece |
03/12/2014 | CN203470608U Door frame punching die |
03/12/2014 | CN203470607U Punching die body of door frame punching die |
03/12/2014 | CN203470606U Large replaceable blanking male die |
03/12/2014 | CN203470605U Sinusoid type blanking cutting edge |
03/12/2014 | CN203470604U Blanking mechanism for stamping die |
03/12/2014 | CN203470603U Delay cutting-off device |
03/12/2014 | CN203470602U Parallel flow evaporator spacer groove machining device |
03/12/2014 | CN203470601U Punching machine for air valve waste material |
03/12/2014 | CN103624207A Self-lubricating punching mold for large-specification link plate |
03/12/2014 | CN103624146A Edge trimming, punching and hole flanging one-time forming process for basin stand |
03/12/2014 | CN103624140A Multi-piece filter screen blank-punching composite die |
03/12/2014 | CN103624139A Salad hole punching machining die |
03/12/2014 | CN103624138A Inclined hole punching die |
03/12/2014 | CN103624137A Fully-automatic numerical control high-speed punching machine |
03/12/2014 | CN103624136A Salad hole punching machining method and machining die thereof |
03/12/2014 | CN103624135A Punching composite die for machining shaft sleeve and machining method thereof |
03/12/2014 | CN103624134A Stamping die for discharge chute of mixer truck |
03/12/2014 | CN103624133A Trimming process of circular stretching workpiece |
03/12/2014 | CN102581168B Method for manufacturing small-size lock keys and press forming trimming die |
03/12/2014 | CN102527818B Single-station multi-hole stamping die for automobile spoke |
03/12/2014 | CN102500681B Method for processing and forming pipe fitting connection end of motorcycle frame |
03/12/2014 | CN101912915B Front and rear pilot mechanism for longitudinally cutting die |
03/11/2014 | US8667823 Apparatus and method using reduced volume electro-hydraulic chambers for trimming and joining panels |
03/11/2014 | CA2760923C Apparatus for texturing the surface of a brake plate |
03/11/2014 | CA2658982C Multipart punch for hydro piercing |
03/06/2014 | WO2014034670A1 Method and device for trimming square container |
03/06/2014 | WO2014032921A1 Device for working elongated articles |
03/05/2014 | EP2701863A1 Generating channel letters using profiles |
03/05/2014 | DE202012011658U1 Stanzvorrichtung mit einem Sensor A punching device with a sensor |
03/05/2014 | CN203460255U Carrier band punching device |
03/05/2014 | CN203460242U Waste collecting device of hydraulic punching machine |
03/05/2014 | CN203460241U Punching device capable of avoiding blocking |
03/05/2014 | CN203459911U Punching cutting combined machining system |
03/05/2014 | CN203459568U X-direction positioning device for punching U-shaped beam of automobile |
03/05/2014 | CN203459507U Hole punching machine for arc-shaped guide track |
03/05/2014 | CN203459506U Dual-host device for punching U-shaped beam abdomen surface |
03/05/2014 | CN203459505U Punching die for punching small holes |
03/05/2014 | CN203459504U Scraps-jumping-prevention stamping die |
03/05/2014 | CN203459503U Automatic internal punching machine for tapered and spherical roller bearing retainers |