Patents for B21K 7 - Making railway appurtenances; Making vehicle parts (272)
07/2012
07/18/2012CN102581208A Method for precisely carrying out hot forging on driven spiral bevel gear of automobile rear axle
07/18/2012CN102581207A Manufacturing method of steel-aluminum composite section bar used for contact rail in urban railway system
07/11/2012CN102554095A Turnout forging and pressing die
07/04/2012CN101972835B Closed forging technique for steering knuckle
06/2012
06/20/2012CN202278141U 一种自动镦锻装置 An automatic device upsetting
06/20/2012CN102500741A One-step forging and molding method of steering knuckle of heavy-duty car
06/20/2012CN102500740A Manufacturing process for lambdoidal control arm
06/13/2012CN102489659A Method for forging steering knuckle
06/06/2012CN202263882U 一种用于连杆热模锻的模架 A hot rod forging mold
05/2012
05/30/2012CN202239466U Clamp rotation device for steel rail track switch precision forging production line
05/30/2012CN202239465U Heating furnace feeding device for steel rail turnout precision forcing production line
05/30/2012CN202239463U Automatic feed rack device for precision forging process production line of steel rail turnouts
05/30/2012CN202239462U Longitudinal conveying device for steel rail turnout precision forcing production line
05/30/2012CN102029352B Method for manufacturing pressboard for rail wagon
04/2012
04/18/2012CN101912945B 一种at钢轨跟端的锻压方法 One kind at forging method with the end of the rail
04/11/2012CN202185512U Manufacturing device for die for bending and cantilever for automobile
04/04/2012CN102397978A 电气化铁路接触网腕臂式金具底座锻造成型工艺 Electrified railway catenary arm wrist gold with base forging process
03/2012
03/28/2012CN202174202U 球笼式万向节钟形壳冷锻成型凹模 Cage-type universal joint bell-shaped shell molding die forging
03/28/2012CN202174201U 球笼式万向节钟形壳温锻终锻模 Cage-type universal joint final bell housing warm forging die
03/21/2012EP2429738A1 Method for manufacturing fixing members adapted for railway sleepers by cold forming
03/14/2012CN102371326A Preforging mould structure for processing shaft fork part stamp forgings
03/06/2012US8129035 Structural component for automobile, two-wheeled vehicle or railcar excellent in impact-absorption property, shape fixability and flange cuttability, and method for producing the same
02/2012
02/08/2012CN202137324U 一种镦锻机床 One kind of upsetting machine
02/02/2012WO2011147405A3 Combination wheelset press
01/2012
01/25/2012CN202123186U Cold heading die for automobile brake disc shifting fork
01/18/2012CN102319992A Method for manufacturing aluminum alloy die forging
01/18/2012CN102319867A Forging forming process for control arm
01/18/2012CN102319866A Novel process for precision forging of disc steering knuckle
01/11/2012CN102310156A Improved process for producing brake calipers
12/2011
12/28/2011CN102294433A 汽车叶子板的制造方法及用于该方法中的模具 Car fender manufacturing method and the method used to mold
12/28/2011CN102294432A 汽车机盖的制造方法及用于该方法中的模具和用料板 The method of manufacturing a car cover and a mold used in the process and materials used plate
12/14/2011CN102274890A 弯曲加工用模具、汽车用悬臂的制造装置及其制造方法 Bending mold, automobile manufacturing apparatus and manufacturing method of the cantilever
12/01/2011US20110290897 Rail anchor
11/2011
11/23/2011CN102248118A Die and process for forging high-speed railway substrate
10/2011
10/26/2011CN102225455A High-speed rail brace mould and forging process
10/12/2011CN102211268A Manufacture process of automobile generator finish-forged claw pole capable of reducing noise
10/06/2011WO2011120328A1 Vertical forging method for integral type steering yoke of automobile
10/05/2011CN201997662U Blank upsetting die for buffer thrust cone
09/2011
09/28/2011CN102198485A Die and process for forging No.240 steel ingots for railway locomotives
09/21/2011CN201980245U Swing bolster part for magnetic suspension vehicle
09/14/2011CN102179469A Train wheel preforming method for reducing forging pressure
08/2011
08/31/2011CN201950150U 球销温挤压模具 Ball pin-temperature extrusion dies
08/31/2011CN102166615A Forging process for piston toothed part of automobile steering box
08/31/2011CN102166614A Method and production line for forging forged piece of automobile rear axle driving spiral bevel gear
08/17/2011CN101670417B Steering knuckle forging molding process of heavy truck
07/2011
07/27/2011CN101367110B Cold heading die for coupling brake treadle arm and support tube integrally
07/13/2011CN102120251A Automatic streamline production process for butterfly spring
07/13/2011CN102120249A Turnout mould capable of being preheated and cooled and replacing mould core
07/06/2011CN102114519A Method for performing wheel of train
07/06/2011CN102114518A Precision forging process production line for steel rail turnout
06/2011
06/29/2011CN102107707A Head stock bowl group manufacturing method
06/22/2011CN201871677U Blanking mechanism for steel rail head precision-forging machine
06/22/2011CN201871676U Charging device of steel rail head refined forging press
06/22/2011CN201871675U Operating device for precisely-forged railhead of hydraulic press
06/01/2011CN102078913A Method for manufacturing three-hole wire jacket blank
05/2011
05/25/2011CN201841232U Preforging die structure for machining die forging of shaft fork part
05/18/2011CN102059316A High-accuracy railhead forging hydraulic machine
04/2011
04/27/2011CN102029510A Method for making hot forging molded bicycle knee joint
04/27/2011CN102029352A Method for manufacturing pressboard for rail wagon
03/2011
03/23/2011CN201768866U AT steel rail heel end forging and pressing forming die
03/23/2011CN101365818B Aluminum alloy forging member and process for producing the same
02/2011
02/16/2011CN101972835A Closed forging technique for steering knuckle
02/02/2011CN101961766A Novel forging process of vehicle rear wheel hub axle and special wedge-shaped die thereof
01/2011
01/26/2011CN201720382U Mold cavity for forging inner and outer star wheels
01/26/2011CN201720381U Forging coupler tail frame shaping film
01/19/2011CN101947634A Process for forging rear axle shaft flange of automobile
01/19/2011CN101947626A Forging mold for cantilever type hardware fitting base of electrified railway contact network parts
01/19/2011CN101947621A Forged coupler yoke frame shaping die
12/2010
12/29/2010CN101927310A Hardening processing device for railway turnout and method thereof
12/29/2010CN101229572B Moulding technology of tongue rail heeling of heavy haul railway
12/15/2010CN201669366U Molding bed for processing guide pillar
12/15/2010CN101912945A Method for forging and pressing heel of AT steel rail
11/2010
11/18/2010WO2010130738A1 Method for manufacturing fixing members adapted for railway sleepers by cold forming
10/2010
10/06/2010CN101850400A Processing method for cone frustum-shaped product with inside teeth and front cover of brake slack adjuster
08/2010
08/25/2010CN101811170A Method for vertically forging integral automobile steering knuckle
08/11/2010CN201543757U Mold used for manufacturing auto part
03/2010
03/24/2010CN201427175Y Wheel rim retaining ring processing device for railway locomotive wheels
03/17/2010CN201423423Y Processing device for hardening railway points
03/17/2010CN101670417A Steering knuckle forging molding process of heavy truck
12/2009
12/26/2009CA2670656A1 Methods and systems for manufacturing an axle
06/2009
06/30/2009CA2439821C Hybrid space frame for motor vehicule
05/2009
05/20/2009CN201239774Y Closed forging die for cold-forging gear sleeve
05/20/2009CN101433939A Precision forging technique for cracking connection rod
05/06/2009CN201231300Y Brake-arm forging die
04/2009
04/22/2009EP2003219A9 Aluminum alloy forging member and process for producing the same
03/2009
03/04/2009CN201201031Y Precision forging mould for motor vehicle pedal arm
02/2009
02/18/2009CN101367110A Cold heading die for coupling brake treadle arm and support tube integrally
02/11/2009CN101365818A Aluminum alloy forging member and process for producing the same
12/2008
12/24/2008CN101327561A Hot edge-cutting manufacture technology for automobile generator finish forging claw pole
12/24/2008CN101327512A Forging line of claw pole for automobile generator
12/17/2008EP2003219A2 Aluminum alloy forging member and process for producing the same
12/17/2008CN101323080A Red edge-cutting and hole-punching manufacture technology of automobile generator finish forging claw pole
10/2008
10/08/2008EP1490190B1 Profile transition rail and method for producing said rail
10/07/2008CA2479547C Transition rail and method for producing said transition rail
08/2008
08/21/2008DE102007007441A1 Component i.e. bodywork component for passenger car, manufacturing method, involves extending portion of extruded section transverse to extruding press direction during formation of extruded section
07/2008
07/30/2008CN101229572A Moulding technology of tongue rail heeling of heavy haul railway
04/2008
04/09/2008CN100379506C Method for manufacturing open type bicycle hollow crank and crank manufactured thereby
03/2008
03/06/2008DE102006041146A1 Stahl und Verarbeitungsverfahren für die Herstellung von höherfesten bruchtrennbaren Maschinenbauteilen Steel and processing methods for the production of high-strength bruchtrennbaren machine parts
03/05/2008CN101134278A Manufacturing method of the coupler yoke for railway wagon
03/01/2008CA2569180A1 Method and tool for the production of three-dimensional attachments by forming and fine blanking operations
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