| Patents for B21J 13 - Details of machines for forging, pressing, or hammering (6,375) |
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| 01/12/2011 | EP1491777B1 Tamperproof screw, combination with screwdriver bit, and headrer punch for manufacturing tamperproof screw |
| 01/12/2011 | CN201702968U Sliding block overload protection system of double-crankshaft numerical control forging press |
| 01/12/2011 | CN201702310U Dodecagonal bolt hot-heading forming die |
| 01/12/2011 | CN201702309U Casting fabricating device, casting fabricating system and kiln bases |
| 01/12/2011 | CN201702308U Roll shaft lifting device for rolling molding machine |
| 01/12/2011 | CN201702307U Improved retainer plate mechanism |
| 01/12/2011 | CN101941040A Cold-forging die of lamp cup and manufacture method of lamp cup |
| 01/05/2011 | CN201693800U Air cushion device of press |
| 01/05/2011 | CN201693123U Set material three-position combined mechanism |
| 01/05/2011 | CN201693117U Double-post inclined prestressed stand for free forging hydraulic press |
| 01/05/2011 | CN201693116U Roll forging shaft for rolling forming machine |
| 01/05/2011 | CN201693115U Cup-head bolt hexagonal punch die core and cup-head bolt hexagonal trimming die |
| 01/05/2011 | CN201693114U Oil cylinder support forging finishing forming mould |
| 01/05/2011 | CN201693113U Cylinder bracket forging die |
| 01/05/2011 | CN201693112U Roll forging and moulding mould for rolling and moulding machine |
| 01/05/2011 | CN201693111U Cold heading die for stamping piston pin |
| 01/05/2011 | CN201693110U Cold heading die for stamping piston pin |
| 01/05/2011 | CN201693109U Combined forging die |
| 01/05/2011 | CN201693106U Rolling mill forming machine |
| 01/05/2011 | CN101935735A Production method for combined forging and pressing oxygen lance nozzle and mould special for same |
| 01/05/2011 | CN101502866B Method for forging goods train buffer thrust cone |
| 01/04/2011 | US7862441 Self aligning die |
| 12/29/2010 | EP2266725A2 Hollow body element |
| 12/29/2010 | CN201685480U Novel closed hydraulic machine tool body |
| 12/29/2010 | CN101927311A Cold upsetting forming die of slender bolt |
| 12/29/2010 | CN101607294B Middle-duty and heavy-duty automobile knuckle stamp forging extruding compound technology |
| 12/29/2010 | CN101491873B Two-step plasticity forming method of vehicle wheel hub and mated forming die |
| 12/29/2010 | CN101229572B Moulding technology of tongue rail heeling of heavy haul railway |
| 12/28/2010 | US7856862 Device for correcting damaged vehicle body sheets |
| 12/23/2010 | WO2010121590A3 Shaping method and correspondingly shaped component |
| 12/23/2010 | US20100319433 Process for producing a die |
| 12/22/2010 | CN201676991U Cold forging mold with novel structure |
| 12/22/2010 | CN201676990U Subtype self-locking structure of blade mould |
| 12/22/2010 | CN201676989U Split die cold heading machine |
| 12/22/2010 | CN201676988U Buffering device of large-sized forging manipulator |
| 12/22/2010 | CN201676986U Tire mold upsetting device for continuous upset heads at two ends of long bar |
| 12/22/2010 | CN101920577A Novel bidirectional air cushion structure of pressure machine |
| 12/22/2010 | CN101920306A Process for forming T-shaped welded nut by multistage cold former |
| 12/22/2010 | CN101920301A Suspension type upsetting material gathering die structure |
| 12/16/2010 | WO2010142069A1 Hot-forging shaping process for joint hinge |
| 12/16/2010 | DE19722229B4 Mehrstufige Schmiedemaschine mit einer Mehrzahl von justierbaren Umformstufen Multi-stage forging machine having a plurality of adjustable forming stages |
| 12/15/2010 | EP2260961A1 Improvements to machines for the hot forming of brass parts by means of stamping |
| 12/15/2010 | CN201669366U Molding bed for processing guide pillar |
| 12/15/2010 | CN201669365U Safety bolt device of forging equipment |
| 12/15/2010 | CN201669363U Clamping device applicable to valve electrical upsetting |
| 12/15/2010 | CN101912945A Method for forging and pressing heel of AT steel rail |
| 12/15/2010 | CN101912944A Method for machining aluminum alloy hub |
| 12/15/2010 | CN101912940A Forming mould of high-toughness magnesium alloy thin-web high-reinforcement forging with flow-dividing bin |
| 12/15/2010 | CN101912939A Extruding, upsetting and moulding die and corresponding upsetting method |
| 12/15/2010 | CN101463444B Molding tool formed of gradient composite material and method of producing the same |
| 12/15/2010 | CN101259513B Double-occlusive fluid die rack |
| 12/08/2010 | CN201664747U Drawing anvil for forging |
| 12/08/2010 | CN201664746U X-type hot mold forging press slide block guiding device |
| 12/08/2010 | CN201664745U Forging and stamping punch head of joint of oil drill rod tool with pressing ring |
| 12/08/2010 | CN1824426B Method for machining a metal slug, sleeve for implementing the method and sleeve and lid assembly for implementing the method |
| 12/08/2010 | CN101905281A Upsetting die of water chamber seaming head |
| 12/08/2010 | CN101905278A Manufacturing process of water chamber sealing head and upsetting and extruding mold thereof |
| 12/08/2010 | CN101653813B Internal-external thickening mould at tube ends of drill stem tube body |
| 12/08/2010 | CN101607296B Upper connecting rod forward-only connecting type forging manipulator |
| 12/01/2010 | CN201659247U Ejection-mode feeding system of high-speed free forging manipulator |
| 12/01/2010 | CN201659246U High-accuracy striking system of large-tonnage die forging electrohydraulic hammer |
| 12/01/2010 | CN201659245U Plate upsetting forming mould |
| 12/01/2010 | CN201659244U Die forging mold |
| 12/01/2010 | CN201659243U Inlaid block type hammer forging die |
| 12/01/2010 | CN201659242U Spherical connecting device between hammerhead and hammerlever of large die forging hammer |
| 12/01/2010 | CN201659241U Sealing sleeve of air hammer lever |
| 12/01/2010 | CN201659230U Concave mould rotation upsetting machine |
| 11/25/2010 | US20100294017 Dent removal tool |
| 11/25/2010 | DE102009022130A1 Gripper for workpiece forging manipulator, has fingers arranged at common bearing axis of common bearing at adapter in pivotable manner, where fingers with finger ends are fastened to common bearing |
| 11/25/2010 | DE102009022086A1 Preform forming device, has fixing element axially movable with respect to spring in housing, and matrix element arranged inside spring such that spring concentrically surrounds matrix element |
| 11/25/2010 | DE102009021967A1 Forging manipulator for manipulating rod-shaped forgings with round and square cross-section, has holding shaft, which is pivoted in gripper jaws of gripping tong with gripping profile |
| 11/24/2010 | CN201645484U Robot applied in engine air valve electric upsetting hot forging forming process |
| 11/24/2010 | CN201644693U Die formed at one step by forging and stamping |
| 11/24/2010 | CN201644692U Composite sleeve cold upsetting die with exhaust structure |
| 11/24/2010 | CN201644691U Composite forming die mold of complicated axial forging with shaft shoulder and flange plate |
| 11/24/2010 | CN201644690U Mould for local upsetting forming of metal bar |
| 11/24/2010 | CN201644687U Special device for formation of semi-finished furniture connecting rod |
| 11/24/2010 | CN101890821A Novel device for connecting press connecting rod and ball screw rod |
| 11/24/2010 | CN101890470A Lower die ejector of forging die |
| 11/24/2010 | CN101890467A Hydraulic upsetter |
| 11/24/2010 | CN101428326B Automotive reverse gear intermediate gear tooth form final finishing and back taper forming mould |
| 11/17/2010 | CN201636237U Clutch device of cold header |
| 11/17/2010 | CN201633235U Simple pressing machine air cushion |
| 11/17/2010 | CN201632591U Stepped punch head of tool for wheel flange special-shaped ring forgings |
| 11/17/2010 | CN201632584U Clamp seat of cold header |
| 11/17/2010 | CN201632583U Clamp transport mechanism of cold header |
| 11/17/2010 | CN201632582U Clamp switching mechanism of cold header |
| 11/17/2010 | CN201632581U Large-sized workpiece forging equipment |
| 11/17/2010 | CN201632580U Mold for forging aluminium alloy motorcycle wheel hub |
| 11/17/2010 | CN201632579U Sliding block type automatic opening-closing precision-forging forming die |
| 11/17/2010 | CN201632578U Two-forming die and three-stamping die forming mould for eccentric shaft parts |
| 11/17/2010 | CN201632577U Trestle for reaming mandrel |
| 11/17/2010 | CN201632576U Electrohydraulic hammer impact resistant buffer device |
| 11/17/2010 | CN201632575U Holding device for long-pole kind of components on horizontal forging machine |
| 11/17/2010 | CN201632572U Multi-station die revolving jolting machine |
| 11/17/2010 | CN101885033A Jacking and guiding device of forging product forming machine |
| 11/17/2010 | CN101885032A Novel red fighting screw mould |
| 11/17/2010 | CN101885031A Die for controlling forming of asymmetric complex-curved rebar forge piece by using movable damping block |
| 11/17/2010 | CN101181731B Free-standing die-filling height regulating mechanism |
| 11/16/2010 | CA2540402C Forging machine having rollers between a support and a slide body of a die assembly |