| Patents for B21K 1 - Making machine elements (7,621) |
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| 07/30/2014 | CN102554565B 冲击式水轮机转轮整体制造方法 Pelton turbine runner overall manufacturing method |
| 07/29/2014 | US8789276 Sanitary fixture |
| 07/24/2014 | US20140202001 Method for the production of a piston for an internal combustion engine |
| 07/23/2014 | CN103934407A 一种锻造汽车轮毂用的装出料机 One kind of forged automotive wheel fitted with a feeder |
| 07/23/2014 | CN103934405A 曲轴多拐扭转专用机 Multi-turn crankshaft torsional Machine |
| 07/23/2014 | CN103934398A 高强度裙座式自锁六方螺帽的冷锻模具 High intensity skirt self-locking hexagonal nut cold forging dies |
| 07/23/2014 | CN102806291B 一种风电主轴锻造方法 A wind power spindle forging method |
| 07/17/2014 | US20140197677 Lightweight Hub Unit With integrated Bearing Rings And Process For Its Manufacture |
| 07/16/2014 | CN203711742U 法兰整圆机 Flange full circle machine |
| 07/16/2014 | CN103920846A 一种高温合金台阶轴径向锻造方法 A high-temperature alloy stepped axial and radial forging method |
| 07/16/2014 | CN102812142B 铝合金锻造材及其制造方法 The method of manufacturing an aluminum alloy forging material and |
| 07/16/2014 | CN102335713B 用盘元线材一体成型铆用凸脐螺母的工艺及专用装置 Integrally formed with the plate element wire nut riveting convex umbilical technology and special equipment |
| 07/16/2014 | CN102257289B 固定式等速万向接头的外侧接头部件 Fixed type constant velocity universal joint of the outer joint member |
| 07/15/2014 | US8776373 Method for producing a disc roll |
| 07/15/2014 | US8776372 Cast magnesium alloy wheels |
| 07/09/2014 | CN203695839U 一种用于无缝管锻造管型零件方法的组合闭式胎模 A seamless combination of closed die forging tire-tube method for parts |
| 07/09/2014 | CN103909207A 上下调节螺栓冷镦装置及其冷镦工艺 Cold Heading down the adjusting screw device and cold upsetting |
| 07/09/2014 | CN103909205A 管螺母冷镦装置及其冷镦工艺 Nut cold heading and cold heading process equipment |
| 07/09/2014 | CN103909204A 异形双头螺栓冷镦装置及其冷镦工艺 Shaped stud cold heading and cold heading process equipment |
| 07/09/2014 | CN103909203A T型螺栓的冷镦成型工艺 Cold forging technique T-bolt |
| 07/09/2014 | CN103909202A 一种螺钉冷镦装置及其冷镦工艺 One kind of device and screw cold heading cold heading process |
| 07/09/2014 | CN102941310B 大型船用全纤维曲轴弯曲镦锻多拐分度定位装置及用法 Large marine crankshaft with more upsetting turn indexing positioning device and usage |
| 07/09/2014 | CN102639263B 用于制造设有通孔的模制件的方法和装置 Method and apparatus for producing a molded article provided with through holes for |
| 07/08/2014 | US8770054 Manufacturing method for hollow rack shaft, and hollow rack shaft |
| 07/08/2014 | US8770005 Method of manufacturing outwardly flanged metal member |
| 07/08/2014 | US8769820 Method for machining the tooth edges of end-cut work wheels |
| 07/03/2014 | US20140186139 Insert nut having a diamond lattice structure and method for manufacturing thereof |
| 07/02/2014 | CN203679163U 一种数控精密热辗扩成型机 One kind of precision CNC hot rolling machine |
| 07/01/2014 | US8763251 Method of assembly for gas turbine fan drive gear system |
| 06/26/2014 | WO2014095332A1 Method for producing a piston, and associated piston |
| 06/26/2014 | WO2014094690A1 Device for pressing large forgings |
| 06/26/2014 | DE102012224230A1 Cooling passage piston for internal combustion engine, has cooling passage that is formed by deformation and is made to contact with contact region of piston housing by positive connection element of deformed circumferential collar |
| 06/25/2014 | CN103890328A 内燃机用阀的制造方法 The method of manufacturing valves for internal combustion engines |
| 06/25/2014 | CN103878295A 锻造装出料机钳杆部分的新型结构 Forging new structures put feeder clamp lever portion |
| 06/25/2014 | CN103878291A 一种用于支重轮的锻造方法 A forging method for supporting wheels |
| 06/25/2014 | CN103878290A 台阶轴的加工方法 Stepped-axis machining methods |
| 06/25/2014 | CN103878289A 一种卧工字形台阶轴的模锻方法 Shaped forging method of lying stepped shaft |
| 06/25/2014 | CN103878277A 一种长度与直径之比大于2.5的t形轴锻件的锻造方法 A length to diameter ratio of greater than 2.5 t-shaped shaft forging forging method |
| 06/24/2014 | US8756814 Method of manufacturing a bicycle rim |
| 06/24/2014 | US8756792 Digitally designed shims for joining parts of an assembly |
| 06/19/2014 | WO2014091742A1 Method for drilling center holes in forged rotors and system for drilling center holes in forged rotors |
| 06/19/2014 | WO2014091738A1 Forged crank shaft and method for producing same |
| 06/19/2014 | WO2014091730A1 Device for forming finish-forging element for forged crankshaft for 3-cylinder engine and method for producing forged crankshaft for 3-cylinder engine using same |
| 06/18/2014 | CN203649263U 一种复合冲压模具 A composite stamping dies |
| 06/18/2014 | CN103861990A USB (Universal Serial Bus) connector knurled screw manufacturing method |
| 06/18/2014 | CN102764847B Precision forming method of straight/helical tooth cylindrical gear |
| 06/18/2014 | CN101932737B An axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles |
| 06/12/2014 | WO2014087108A1 Self-braking ring nut and method for producing such a nut |
| 06/12/2014 | US20140157855 Tooling for headed pilot pointed bolts |
| 06/11/2014 | EP2740908A1 Method of forming poppet valve faces and poppet valves having faces formed by this method |
| 06/11/2014 | CN203635844U 一种新型u型螺栓锻扁装置 A new u-bolt forged flat device |
| 06/11/2014 | CN103846634A Method for forging single-throw crank shaft |
| 06/11/2014 | CN103846388A Drive sprocket forming and manufacturing method |
| 06/11/2014 | CN102632182B Forging molding process for integral hollow nuclear power main pipe |
| 06/10/2014 | US8747275 Differential device |
| 06/10/2014 | US8745870 Regenerated elastic roller manufacturing process, regenerated elastic roller, electropohotographic process cartridge, and electropohotographic image forming apparatus |
| 06/10/2014 | US8745866 Valve lifter guide and method of forming same |
| 06/04/2014 | CN203621368U 半空心铆钉用组合凹模结构 Semi-tubular rivets with a combination of die structure |
| 06/04/2014 | CN103842122A Method of manufacturing camshaft |
| 06/04/2014 | CN103831389A Method for manufacturing special beveling tee-joint forge piece for GLCC separator |
| 06/04/2014 | CN102658350B Forging process for slurry pump air chamber shell |
| 06/03/2014 | US8739410 Method of manufacturing a spherical bearing |
| 05/30/2014 | WO2014009695A3 Manufacture of wheels |
| 05/29/2014 | US20140144199 Closed-die forging method and method of manufacturing forged article |
| 05/28/2014 | EP2734740A1 Screw head and tool for use therewith |
| 05/28/2014 | DE102012022907A1 Kolben für einen Verbrennungsmotor sowie Anordnung aus einem Kolben und einem Kolbenbolzen Piston for an internal combustion engine and arrangement of a piston and a piston pin |
| 05/28/2014 | CN103827518A 螺钉头及与其一起使用的工具 The screw head and the tool for use therewith |
| 05/28/2014 | CN103827450A 用于内燃机的气门驱动机构的摇臂 For rocker arm valve actuation mechanism of an internal combustion engine |
| 05/28/2014 | CN103826770A 一体形成有齿条齿的部件和该部件的成形方法 Integrally formed with the rack teeth of the forming method of the component part and |
| 05/28/2014 | CN103817284A 法兰整圆机 Flange full circle machine |
| 05/28/2014 | CN103817283A 一种轴类锻件及其锻造生产工艺 One kind of forgings and forging production process |
| 05/27/2014 | US8732948 Method of manufacturing impeller for centrifugal blower |
| 05/21/2014 | EP2733369A1 Locking bolt and method for manufacturing same |
| 05/21/2014 | CN203599466U 螺旋齿轮加工装置 Helical gear machining apparatus |
| 05/21/2014 | CN103801650A 双联直齿圆柱齿轮齿形精密锻造工艺 Double-toothed spur gear precision forging process |
| 05/21/2014 | CN103801645A 电子驻车制动系统用螺旋齿轮架制造方法 Electronic parking brake system with helical gear rack manufacturing method |
| 05/21/2014 | CN103801644A 一种异径单向偏心管锻造方法 One kind of eccentric pipe reducer way forging method |
| 05/20/2014 | US8726515 Oil-impregnated sintered bearing and method of producing the same |
| 05/15/2014 | DE102012013778A1 Forming tool for massive forming of metal material, has die cavity that is formed corresponding to the shape of component, whose regions with steel material, are formed with different material properties |
| 05/14/2014 | EP2729266A2 Method of forming a tubular member |
| 05/14/2014 | CN103797220A 内燃机用阀的制造方法 The method of manufacturing valves for internal combustion engines |
| 05/14/2014 | CN103785790A 一种新型端面齿敲击成形机床及工艺 A new end tooth percussion forming machine tools and technology |
| 05/13/2014 | US8720055 Method of assembling a cam shaft that includes a thermal interference fit between the cam shaft and a bearing |
| 05/08/2014 | WO2014013290A3 Stamping press |
| 05/08/2014 | US20140126978 Method for producing an attachment element |
| 05/07/2014 | CN103769826A 圆柱直齿轮精成形方法及其装置 Spur gear precision forming method and apparatus |
| 05/07/2014 | CN103769526A 一种径向锻造成形丝杠的方法 Have a radial forging screw method |
| 05/07/2014 | CN102281964B 曲轴的制造方法以及制造装置 And a method of manufacturing apparatus for manufacturing a crankshaft |
| 05/06/2014 | US8713793 Method for producing metallic-sodium-filled engine valve |
| 05/01/2014 | WO2014065626A1 Method for manufacturing aluminum bearing insert for lower crank case of engine |
| 04/30/2014 | EP2724798A1 One piece hollowed spoke and method to produce same |
| 04/30/2014 | EP2723516A1 Forging method for producing a piston or piston shaft |
| 04/30/2014 | DE102012218732B4 Verfahren zur Herstellung eines Einspritzventils Process for the preparation of an injection valve |
| 04/30/2014 | CN102699260B Tool of bearing sleeve forge piece with semispherical section |
| 04/30/2014 | CN102615240B Rivet forming machine |
| 04/29/2014 | US8707558 Water heater threaded weld fitting having improved weld integrity |
| 04/24/2014 | WO2014061816A1 Hollow rack bar and method of manufacturing hollow rack bar |
| 04/24/2014 | US20140112735 Method And Pair Of Pinching Jaws For Producing A Drilling Tip |
| 04/24/2014 | DE112006003990B4 Verfahren zum Umformen von Hohlprofilen Method for forming hollow profiles |
| 04/23/2014 | EP2722116A1 Method and pressing jaw pair for producing a drill bit |