| Patents for B21K 7 - Making railway appurtenances; Making vehicle parts (272) |
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| 03/05/2015 | US20150064052 Warm press forming method and automobile frame component |
| 02/12/2015 | US20150042072 Method and Apparatus for Cold Forging Metal Tubing for Trailer Hitch Receivers and the Trailer Hitch Receiver so Formed |
| 02/11/2015 | CN102989989B 重卡转向节的锻造工艺 Heavy truck steering forging process section |
| 02/05/2015 | DE102013012583A1 Verfahren zur Herstellung eines Energieaufnahmeelements und Energieaufnahmeelement Process for the preparation of an energy receiving element and energy absorption member |
| 02/04/2015 | CN104325064A 一种配重块冷镦成型工艺及其预镦大台阶的模具结构 A counterweight cold heading molding mold structure and pre-upsetting big step |
| 01/28/2015 | CN204122683U 一种用于制造法兰套筒的冷镦模组 A method for the manufacture of cold heading sleeve flange module |
| 01/21/2015 | CN204108650U 车辆用悬架臂的制造装置 Apparatus for manufacturing a vehicle suspension arm |
| 01/21/2015 | CN204108208U 机车牵引支座锻件及机车牵引支座锻件模具 Locomotives and locomotive bearing bearing forging die forgings |
| 01/21/2015 | CN103028686B φ1500专用辊锻机 φ1500 special roll forging machine |
| 01/21/2015 | CN102974742B 一种移动叉的加工方法 The processing method of a mobile fork |
| 01/21/2015 | CN102784879B 用于铁路货车整体锻造手制动拉杆的锻造工艺 For railway wagons whole hand brake lever forging forging process |
| 01/14/2015 | CN204094041U 调节螺杆冷镦装置 Adjustment screw cold heading device |
| 01/14/2015 | CN204094040U 异形连接杆冷镦装置 Shaped connecting rod for cold heading device |
| 01/07/2015 | CN104259797A 一种高铁用铁座的锻造方法 Forging a high-iron iron seat |
| 01/07/2015 | CN104259376A At钢轨跟端压型段成对热锻成型工艺方法 At the end of the rail-pressure segment paired with forging molding method |
| 12/31/2014 | CN204052781U 一种锁紧连接装置及使用该装置的卧式翻转压机 One kind of connection device and use of the locking device is a horizontal flip presses |
| 12/17/2014 | CN104209447A 异形连接杆冷镦装置及其生产工艺 Shaped connecting rod for cold heading equipment and production technology |
| 12/17/2014 | CN104209446A 一种用于制造法兰套筒的冷镦模组及冷镦工艺 A method of manufacturing flanged sleeve cold heading and cold heading process modules for |
| 08/06/2014 | CN203751219U 汽车用套筒成型的模具结构 Automotive sleeve forming mold structure |
| 07/23/2014 | CN203725681U 用于盘式刹车片的带加热模具 With heated mold for disc brake pads |
| 07/16/2014 | CN103920840A 铁路轨道轨距块一模两件锻造模具 Railway track gauge block a mold two forging dies |
| 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 | CN103909206A 一种套筒冷镦装置及其冷镦工艺 A telescopic device for cold heading and cold upsetting |
| 07/09/2014 | CN102672096B 汽车转向节毛坯类零件精密模锻成型工艺方法 Automotive Parts knuckle rough precision forging process for molding |
| 06/25/2014 | CN103890269A 铁路轨道支撑板 Railway track support plate |
| 06/18/2014 | CN203649295U 一种万向节温锻喷淋冷却装置 One kind of warm forging joint spray cooling device |
| 06/18/2014 | CN203649293U 一种加工汽车安全带限力扭杆用装置 Processed by means of a torsion bar car belt force limiters |
| 06/18/2014 | CN102581209B Process method for forging low door type front axle of heavy commercial vehicle |
| 06/04/2014 | CN103831390A Cold heading forming method of car sleeve and mould structure for sleeve forming |
| 06/04/2014 | CN103831386A Production method and forge die of high-speed train brake disc |
| 05/14/2014 | CN102248118B 高速铁路基板锻造模具及工艺 High-speed rail board forging dies and craft |
| 05/07/2014 | CN102554095B 道岔锻压模具 Turnout forging dies |
| 04/30/2014 | CN103752759A Forging and molding process for double-lug fitting of electric railway contact net |
| 04/16/2014 | CN103722118A Design method of closed forging technology of flange fork |
| 04/16/2014 | CN103722117A Mandrel manufacturing method |
| 04/09/2014 | EP2714991A1 A railway rail support plate |
| 04/01/2014 | CA2569180C Method and tool for the production of three-dimensional attachments by forming and fine blanking operations |
| 03/26/2014 | CN103658502A Manufacturing process of integrally forged and pressed axle housing without welding seam |
| 03/12/2014 | CN103624205A Cold-forging plastic molding technology of precisely-forged brake threaded pipe component |
| 03/12/2014 | CN102371326B Preforging mould structure for processing shaft fork part stamp forgings |
| 03/05/2014 | CN103611874A Forging and manufacturing method and manufacturing device for battery terminal clamp used for automobile |
| 02/25/2014 | CA2637273C Aluminum alloy forging member and method for producing the same |
| 02/19/2014 | CN103586393A Device used for machining automobile safety belt force limit torsion rod |
| 02/05/2014 | CN203418062U Semi-open and semi-closed performing die for single-tooth track shoe |
| 01/30/2014 | WO2014017721A1 Cold forging mold for manufacturing sector tooth of seat recliner and method for manufacturing sector tooth using same |
| 12/18/2013 | CN103447443A Single-tooth track plate semi-open and semi-closed blanking mold and single-tooth track plate forging method |
| 12/04/2013 | CN203316664U Oil press |
| 09/25/2013 | CN103317082A Manufacturing device and method of high-extrusion finish-forging full-automatic parking brake baseplate |
| 09/18/2013 | CN103302227A Grading molding technology for vertical forging rod part of steering knuckle |
| 09/18/2013 | CN103302226A Precise forging process for front upper arm part of car chassis suspension system |
| 09/18/2013 | CN103302221A Oil press and method for machining axle tube by using same |
| 08/14/2013 | CN103240383A Hollow forging method of universal-joint slip yoke and special forging tool |
| 08/07/2013 | CN203109154U Cold heading device of upper and lower adjustable bolts |
| 08/07/2013 | CN203109153U Sleeve cold upsetting device |
| 08/07/2013 | CN102114518B Precision forging process production line for steel rail turnout |
| 06/26/2013 | CN203018677U Machining device for tooth grains of automotive compressor spindle |
| 06/12/2013 | CN103143668A Forging process of lower bracket connection fork |
| 05/15/2013 | CN103100625A Precision forging process for twisting connector part of automotive chassis suspension system |
| 05/01/2013 | CN202910238U Claw-pole forging system for automobile engine |
| 04/17/2013 | CN103042154A Knuckle assembly, processing method thereof and vehicle comprising knuckle assembly |
| 04/10/2013 | CN103028686A Phi-1500 dedicated roll forging machine |
| 04/10/2013 | CN102059316B High-accuracy railhead forging hydraulic machine |
| 03/27/2013 | CN202824505U Semiaxis flange complete set production equipment |
| 03/27/2013 | CN102989989A Forging process of heavy truck steering knuckle |
| 03/27/2013 | CN102989988A Manufacturing process of turnout base plate of high-speed railway |
| 03/27/2013 | CN102989987A Forging process of turnout wedge rail support of high-speed railway |
| 03/20/2013 | CN102974743A Manufacturing method of coupler knuckle |
| 03/20/2013 | CN102974742A Processing method of movable fork |
| 02/27/2013 | CN102941307A Process and device for machining of tooth pattern of automotive compressor spindle |
| 02/20/2013 | CN102107707B Head stock bowl group manufacturing method |
| 02/13/2013 | CN102921874A Cold forging and forming process of truck axle |
| 02/06/2013 | CN102909309A Universal joint forging method and shaping mould |
| 01/16/2013 | CN102873254A Forging process for lifting axle head |
| 01/09/2013 | CN102861861A Precision-forging plastic molding technology of bell shell of ball-cage type universal joint |
| 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 |
| 12/26/2012 | CN101850400B Processing method for cone frustum-shaped product with inside teeth and front cover of brake slack adjuster |
| 12/19/2012 | CN202606778U Press mold device |
| 12/19/2012 | CN102825208A Forging and forming process of aluminum alloy car control arm |
| 12/19/2012 | CN102166614B Method and production line for forging forged piece of automobile rear axle driving spiral bevel gear |
| 12/12/2012 | CN202591532U Knuckle forging piece structure |
| 11/29/2012 | WO2012159167A1 A railway rail support plate |
| 11/29/2012 | CA2837114A1 A railway rail support plate |
| 11/21/2012 | CN102784879A Forging technology for integrally forging hand braking pulling rod of rail wagon |
| 11/21/2012 | CN102784878A Roll forging process for solid forging hand brake lever of rail wagon |
| 11/14/2012 | CN102773400A Process of forging high-speed railroad witch sliding plate |
| 10/31/2012 | CN202506789U Claw pole forging system for automotive generator |
| 10/24/2012 | CN102744359A Cold extrusion forming process of inner cavity of outer ball cage |
| 10/24/2012 | CN102744358A Process for forging ball basket streamlines |
| 10/10/2012 | CN202479433U Knuckle forge piece for cars |
| 10/03/2012 | CN202461415U Ends forming device for horizontal stabilizer bar |
| 10/03/2012 | CN202461395U Turnout forging and pressing mold |
| 10/03/2012 | CN102699265A Mold and process for producing joint of counteractive rod |
| 09/27/2012 | DE102011014877A1 Verfahren zum Umschmieden eines Gleisteils und gemäß diesem Verfahren umgeschmidete Gleisteile A method for reforging a portion of track and umgeschmidete according to this method rail parts |
| 09/26/2012 | CN101947634B Process for forging rear axle shaft flange of automobile |
| 09/19/2012 | CN102672096A Precision die forging and shaping technical method for automobile steering knuckle rough type parts |
| 09/05/2012 | CN102179469B Train wheel preforming method for reducing forging pressure |
| 08/01/2012 | CN102114519B Method for performing wheel of train |
| 07/25/2012 | CN101947621B Forged coupler yoke frame shaping die |
| 07/18/2012 | CN102581209A Process method for forging low door type front axle of heavy commercial vehicle |