| Patents for B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor (5,577) |
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| 09/21/2011 | CN102189204A Forging process of rotary jacking head for seamless steel tube broaching |
| 09/21/2011 | CN102189203A Method for rolling hard aluminum ring pieces |
| 09/21/2011 | CN102189182A Compound die fixture for blanking of ring forge piece |
| 09/21/2011 | CN101346485B Steel part with surface layer of fine grain and process for producing the same |
| 09/21/2011 | CN101152822B Amorphous alloy member, process for manufacturing amorphous alloy member, authenticity determining device and method |
| 09/20/2011 | US8021497 Method for producing a hardened steel part |
| 09/15/2011 | WO2011111340A1 Blank for parking pole and method for manufacturing said blank |
| 09/15/2011 | WO2011109974A1 Female die rotation upsetting press and operating method thereof |
| 09/14/2011 | CN102181793A Process for manufacturing steel forge piece of vertical conveying pipe of deep sea oil extraction equipment |
| 09/14/2011 | CN102179669A Process for forging planet carrier |
| 09/14/2011 | CN102179465A Device and method for manufacturing multi-section rods for ships |
| 09/14/2011 | CN102179464A Process for forming generator claw pole of vehicle |
| 09/14/2011 | CN101935735B Production method for combined forging and pressing oxygen lance nozzle and mould special for same |
| 09/14/2011 | CN101695737B Angle swage block and forging technology using same |
| 09/14/2011 | CN101389424B Process for manufacturing outer ring member for constant-velocity joint |
| 09/08/2011 | US20110214775 Cylinder tube, hydraulic cylinder with same, and method of manufacturing cylinder tube |
| 09/07/2011 | EP1844875B9 Method and device for upsetting cylindrical material |
| 09/07/2011 | CN102172815A Hot extrusion forming method for inner hexagonal bolt blank of titanium alloy |
| 09/07/2011 | CN102172768A Forging process method for sblank of automobile transmission flange forgings |
| 09/07/2011 | CN102172757A Hole-reaming forming technology for internal and external specially-shaped surfaces |
| 09/07/2011 | CN102172756A Thermoforming method for TC11 alloy convergent section |
| 09/07/2011 | CN102172755A Connecting rod manufacturing method capable of improving surface quality of connecting rod of medium-speed/high-speed diesel engine |
| 09/07/2011 | CN102172754A Thixotropic plastic forming method for metal alloys |
| 09/07/2011 | CN102172753A Method for forging concave components |
| 09/07/2011 | CN102172752A Ring roll device for processing cakes and hubbed flange pieces |
| 09/07/2011 | CN102172751A Method for forging special-shape plate with side length greater than or equal to 4,000 mm |
| 09/07/2011 | CN102172750A Magnesium alloy construction member step temperature forming method |
| 09/07/2011 | CN101780518B Forming technology for forging seamless steel pipe with large diameter and extra thick wall under ultrahigh pressure |
| 09/07/2011 | CN101683680B Swaging hold method, swaging hold structure, swaging roller, swaging machine, and swaging hold workpiece |
| 09/07/2011 | CN101291751B Multiple piece roll |
| 09/06/2011 | US8011220 Backward extrusion process for inner profiles |
| 09/01/2011 | WO2011104921A1 Method for manufacturing hollow engine valve |
| 09/01/2011 | WO2011104189A1 Method and device for impact-extruding workpieces |
| 09/01/2011 | WO2011103985A1 Method and tool for producing a component and a component produced by forming |
| 09/01/2011 | US20110210111 Manufacturing device for machine plate for printer |
| 09/01/2011 | DE102010002426A1 Verfahren und Vorrichtung zum Fließpressen von Werkstücken Method and apparatus for extrusion of workpieces |
| 09/01/2011 | CA2788222A1 Method and tool for producing a component and a component produced by forming |
| 08/31/2011 | EP1694453B1 Apparatus for and method of steering rack manufacture |
| 08/31/2011 | CN102170981A Method and device for the non-cutting production of an outside thread on hollow metal work pieces |
| 08/31/2011 | CN102166611A Long bar continuously upsetting device and method for railway wagon brake pull rod |
| 08/31/2011 | CN102166610A Method for processing drive axle half-axle gear by hot forging |
| 08/31/2011 | CN101543887B Mould and fixing device thereof |
| 08/31/2011 | CN101279352B Double-station forging method and device |
| 08/24/2011 | EP2359951A1 Tools with a thermo-mechanically modified working region and methods of forming such tools |
| 08/24/2011 | CN102161072A Local hollow upsetting diameter-expanding method of ring piece |
| 08/24/2011 | CN102161071A Plug used for shaping of branch pipe of super pipeline and process for shaping branch pipe of pipeline by using the same |
| 08/24/2011 | CN101791672B Method for solving blank terminal twist of long bar in process of roll forging and drawing-out |
| 08/24/2011 | CN101594948B Process for manufacturing footed ringlike member and apparatus therefor |
| 08/24/2011 | CN101518811B Compression moulding forming device of nano-micron superfine powder composite materials |
| 08/24/2011 | CN101406925B Method for device for forming metal micro-thixotropy in semi-solid state assistant by supersonic vibration |
| 08/18/2011 | WO2011099711A2 Method for manufacturing a contact tip for a welding torch through forging |
| 08/17/2011 | EP2355942A1 Method for forming hollow profiles |
| 08/17/2011 | EP2077922B1 Mold |
| 08/17/2011 | CN102151777A Process for forging cake-like forge piece with shoulder |
| 08/17/2011 | CN102151776A Manufacturing method of rotating flat double lugs for railway electrification contact net |
| 08/17/2011 | CN102151775A Blind hole gear blank precise forming method |
| 08/17/2011 | CN102151774A Production method of large-size high-unit-weight pure-titanium forging plate blank |
| 08/17/2011 | CN102151773A Titanium alloy complex member processing process |
| 08/17/2011 | CN101791671B Precision forging method of titanium alloy blade |
| 08/17/2011 | CN101708527B Forging technology of particle-reinforced aluminum-based composite material |
| 08/17/2011 | CN101670417B Steering knuckle forging molding process of heavy truck |
| 08/16/2011 | CA2634829C Linear friction welding apparatus and method |
| 08/11/2011 | WO2011096212A1 Forged billet, process for production of forged billet, and process for production of wheel |
| 08/11/2011 | WO2011096178A1 Forged billet, wheel made from light metal, and processes for production of those products |
| 08/11/2011 | US20110192210 Shaft member for fluid lubrication bearing apparatuses and a method for producing the same |
| 08/10/2011 | EP2353750A1 Welding process and component produced therefrom |
| 08/10/2011 | CN201921962U 一种分体式自动辊锻机 A separate-type automatic roll forging machine |
| 08/10/2011 | CN201921961U 一种整体式自动辊锻机 A monolithic automatic roll forging machine |
| 08/04/2011 | US20110185783 Method and device for the non-cutting production of an outside thread on hollow metal work pieces |
| 08/03/2011 | EP1107845B2 Process for manufacturing pipes |
| 08/03/2011 | CN201913175U 弯管镦头模具 Heading bending mold |
| 08/03/2011 | CN101713640B Non-contact measurement method for thermal state sizes of forgings |
| 07/20/2011 | EP2344288A2 Method and device for the non-cutting production of an outside thread on hollow metal work pieces |
| 07/20/2011 | EP1572394B1 Screw plug made of a metallic material, method for the production thereof, corresponding blank, and corresponding tool |
| 07/20/2011 | CN102125974A Process for punching and reversely tamping flat area of bolt hole of clutch cap |
| 07/20/2011 | CN101502865B Hot forging processing method for optimizing performance of polycrystal bismuth telluride-based thermoelectric alloy material |
| 07/13/2011 | CN102124242A Tripod uniform-motion universal joint and method for manufacturing the same |
| 07/12/2011 | CA2524636C Inhibiting metal fatigue in a tool secured in a tool holder |
| 07/07/2011 | WO2011080794A1 Method of manufacturing rotary device and rotary device manufactured by the same |
| 07/06/2011 | CN201889385U Finish-forging die structure of stainless steel die forging product |
| 06/30/2011 | WO2011078133A1 Forging method, and forging device |
| 06/30/2011 | WO2011077776A1 Method for manufacturing valve umbrella portion of hollow engine valve, press device of valve umbrella portion of hollow engine valve, and hollow engine valve |
| 06/29/2011 | CN201880837U Die forging trimming die for movable wing plate forgings of petroleum drilling rig elevator |
| 06/29/2011 | CN102112251A Enlargement processing method for workpiece |
| 06/29/2011 | CN102107707A Head stock bowl group manufacturing method |
| 06/29/2011 | CN102107255A Die forging forming method of basin-shaped blank |
| 06/29/2011 | CN101716645B Method for controlling isothermal precision formed forging flow line of complicated disk cake forging |
| 06/29/2011 | CN101713052B Non-quenching high-toughness cold-working die steel and production process |
| 06/28/2011 | US7967685 Inner ring for constant velocity universal joint and manufacturing apparatus therefor |
| 06/23/2011 | WO2011074258A1 Blank for parking pole, and method for producing said blank |
| 06/23/2011 | US20110146364 Method and apparatus for forging |
| 06/22/2011 | EP2334451A1 Centering device for centering both ends of a rod |
| 06/22/2011 | DE10318177B4 Verfahren zur Herstellung eines Flanschrohr-Metallteils A method for producing a flanged pipe-metal part |
| 06/22/2011 | CN201871560U Automatic processing device of drawing heads of seamless steel pipes |
| 06/22/2011 | CN101691008B Structural design method of TC11 alloy blisk precision forging |
| 06/22/2011 | CN101658895B Local loading forming method of thick plate of TA19 titanium alloy engine case of aero-engine |
| 06/22/2011 | CN101184562B Method and apparatus for hole punching |
| 06/16/2011 | US20110139572 Method For Manufacturing Steel Plate-Shaped Component, Pole Parking, And Cold Forging Die |
| 06/16/2011 | US20110138873 Robotic peening apparatus |
| 06/15/2011 | EP2332671A1 Method for manufacturing a motor vehicle part |