| Patents for B21J 13 - Details of machines for forging, pressing, or hammering (6,375) |
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| 01/23/2013 | CN102886477A Ball core closed-die forging process using valve body ball core forging die |
| 01/17/2013 | WO2013007553A1 Device for heating forging tools |
| 01/17/2013 | DE102011115508B4 Hydraulischer Auswerfer sowie Mehrstufenschmiede oder -presse Hydraulic ejector and multi-stage forging or -Press |
| 01/16/2013 | CN202667534U Auxiliary mechanical arm of forging and pressing device |
| 01/16/2013 | CN202667533U Mould clamping device |
| 01/16/2013 | CN202667532U Integral forging straight jaw hammerhead with peening area increased |
| 01/16/2013 | CN202667531U Hammer forging die for solid forging method of balance elbow of caterpillar |
| 01/16/2013 | CN202667530U Liquid cooling forging and stamping die |
| 01/16/2013 | CN202667529U Car oil filler wicket hinge shaft cold heading mould |
| 01/16/2013 | CN202667528U Die for machining cutter by forging method |
| 01/16/2013 | CN202667527U Cold heading forming mold |
| 01/16/2013 | CN202667526U Processing mold for pre-forging rings and pre-forging cakes of titanium alloy forgings |
| 01/16/2013 | CN202667525U Novel bottom lead screw structure of forging press |
| 01/16/2013 | CN202667524U Knife back forming machine |
| 01/16/2013 | CN102883835A Tool unit of a rotary kneading machine |
| 01/16/2013 | CN102873253A Large-scale aluminum alloy hub isothermal forging production line |
| 01/16/2013 | CN102873249A C-shaped plate secondary turnover fixture and C-shaped plate secondary turnover method |
| 01/16/2013 | CN102873248A Hydraulic upper anvil clamping, rotating and quick changing system for drop-down forging press |
| 01/16/2013 | CN102873247A High-speed hydraulic machine |
| 01/16/2013 | CN102873245A Train wheel production comprehensive press and train wheel production method |
| 01/16/2013 | CN102873240A Non-flash forging process for middle flanges of transmission shafts |
| 01/16/2013 | CN102873238A Heat insulation structure of large-size forging press for aluminum-alloy hubs |
| 01/16/2013 | CN101982251B Multidirectional load bearing prestressed wire winding pre-tightening frame |
| 01/10/2013 | US20130011186 Metal component coupling structure and device |
| 01/10/2013 | DE102011115508A1 Hydraulic ejector for multi-step forging or press, has lifting cylinders which is operatively connected to ejector plunger before reaching end stop by effective mechanical intake brake |
| 01/09/2013 | CN202656508U Novel brake disc regulating seat mechanism |
| 01/09/2013 | CN202655543U Automatic demoulding device for hot upsetting die of wind power steel ball |
| 01/09/2013 | CN202655542U Novel ejection mechanism for forging press |
| 01/09/2013 | CN202655541U Formed blank conveying device |
| 01/09/2013 | CN202655540U Novel ejector device |
| 01/09/2013 | CN202655539U Rear lifting protector for forging manipulator |
| 01/09/2013 | CN202655538U Air cushion structure for forging press |
| 01/09/2013 | CN202655537U Hydraulic locking device for material pinching table of cold header |
| 01/09/2013 | CN202655536U Auxiliary atmospheric pressure device for adjusting matched die center of large-scale cold header outside |
| 01/09/2013 | CN202655535U Forge and press machine tool shock absorption mechanism |
| 01/09/2013 | CN202655534U Novel power head structure |
| 01/09/2013 | CN202655530U Rotary heating one-die two-punch soft feeding automatic warm upsetting forming machine |
| 01/09/2013 | CN202655529U One-die two-blow automatic warm upsetting forming machine |
| 01/09/2013 | CN102861861A Precision-forging plastic molding technology of bell shell of ball-cage type universal joint |
| 01/09/2013 | CN102861853A Anvil replacing device of manipulator and operation method thereof |
| 01/09/2013 | CN102861852A Following multi-angle steering stepping conveying device of rod piece |
| 01/09/2013 | CN102861851A Novel mould with replaceable mold core |
| 01/09/2013 | CN102861850A Reverse design method based on large torsion angle rotor blade die forging production |
| 01/09/2013 | CN102861849A Die fastening taper key for forging hammer |
| 01/09/2013 | CN102861848A Cold-forging molded concave die of bell shell of ball-cage type universal joint |
| 01/09/2013 | CN102861847A Warm forging finish-forging die of rzeppa universal joint bell housing |
| 01/09/2013 | CN102861846A Forging method and forging die for forging with protrusions |
| 01/09/2013 | CN102179467B Die change device for die of pressure machine |
| 01/09/2013 | CN102173087B Large press structure with guiding device |
| 01/09/2013 | CN101985149B Hydraulic machine for pressing large screws |
| 01/08/2013 | US8349114 Mug wrap |
| 01/08/2013 | CA2511282C Vibration severity monitor for a press die |
| 01/03/2013 | US20130005491 Fastener Cutting Device |
| 01/03/2013 | US20130000374 Forge press, die and tooling design with distributed loading |
| 01/02/2013 | EP2540412A1 Forging die stack with distributed loading and method of forging |
| 01/02/2013 | EP2540411A1 Four-peen forging device for forging presses |
| 01/02/2013 | CN202640820U Pneumatic brake device for double-disc friction pressure machine |
| 01/02/2013 | CN202639192U High-temperature forge-piece ejection device |
| 01/02/2013 | CN202639191U Automatic demoulding device |
| 01/02/2013 | CN202639190U Ejection assisting device of cold header |
| 01/02/2013 | CN202639189U Multi-station rotary blank clamp for cold heading machine |
| 01/02/2013 | CN202639188U Forceps hand for forging machine |
| 01/02/2013 | CN202639187U Multi-directional bearing rack system |
| 01/02/2013 | CN202639186U Novel convex welded nut mould |
| 01/02/2013 | CN202639185U Novel nut mould with ring sleeve |
| 01/02/2013 | CN202639184U Hot upsetting mold of dodecagonal flange face bolt |
| 01/02/2013 | CN202639183U Mould of precision forging bend |
| 01/02/2013 | CN202639182U Split forging mold for balance shaft |
| 01/02/2013 | CN202639181U Cold forging die |
| 01/02/2013 | CN202639180U Multi-step annular piece expansion grind preliminary lower molding die |
| 01/02/2013 | CN202639179U Grinding expansion pre-forming mold for multi-step ring-shaped pieces |
| 01/02/2013 | CN202639178U Hot forging die |
| 01/02/2013 | CN202639177U Pneumatic impactor |
| 01/02/2013 | CN102847860A Connecting plate structure for press clutch |
| 01/02/2013 | CN102248108B Straight gear precision forging forming device with controllable floating female die movement |
| 01/02/2013 | CN102172767B Large roller or gear forge piece forming device and using method |
| 01/02/2013 | CN101985153B Two-half combined forging mould clamping mechanism |
| 01/02/2013 | CN101912939B Extruding, upsetting and moulding die and corresponding upsetting method |
| 01/02/2013 | CN101489700B Hot stamp die apparatus |
| 01/01/2013 | US8342000 Servo-press machine |
| 01/01/2013 | US8341997 Method of forging bevel gear |
| 12/27/2012 | WO2012175356A1 Die and magazine for a forming tool |
| 12/27/2012 | WO2012175090A1 Press and method for its operation |
| 12/27/2012 | US20120324976 Method of forging aluminum/aluminum alloys |
| 12/26/2012 | CN202628918U Hydraulic buffer gear |
| 12/26/2012 | CN202621815U Push-off device |
| 12/26/2012 | CN202621814U Novel hard alloy holding up hammer mould |
| 12/26/2012 | CN202621813U Forging die used during production of aluminium alloy hub |
| 12/26/2012 | CN202621812U Die sleeve of pre-forging device of square U-shaped clip |
| 12/26/2012 | CN202621811U Helical cylindrical gear toothed and cone gear toothed precision forging die, forged by one hammer in one die, of compound gear |
| 12/26/2012 | CN202621810U Machining mould special for hexagonal socket head cap screw |
| 12/26/2012 | CN202621809U Die frame structure for friction press |
| 12/26/2012 | CN202621808U Guide device |
| 12/26/2012 | CN202621807U Mandril of square U-shaped clamp pre-forging device |
| 12/26/2012 | CN202621806U Bottom plate for square U-shaped clamp dummying device |
| 12/26/2012 | CN202621805U Locating punch for square U-shaped clamp dummying device |
| 12/26/2012 | CN102837164A Forging roll combined forming method of crank shaft for automobile engine and special upset die |
| 12/26/2012 | CN102836943A Crosswise-type automatic opening-and-closing mould frame |
| 12/26/2012 | CN102836941A Production method of forging piece |
| 12/20/2012 | US20120318100 Ultra pleat |