Patents for B21K 1 - Making machine elements (7,621) |
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10/06/2004 | CN1533856A Spoked wheel manufacturing method and spoked wheel product and tod parts used for said product |
10/06/2004 | CN1533851A Method and device for mfg. nosing article |
10/05/2004 | US6800144 Hot forging the steel; machining and optionally piercing the forged product; carburizing and quenching and tempering the machined steel to attain an effective case depth of 0.4 to 0.9 mm |
09/30/2004 | US20040192452 Manufacturing process of a clinch nut and clinch nut achieved by such a process |
09/30/2004 | US20040187830 Sintered alloy valve seat and method for manufacturing the same |
09/30/2004 | US20040187547 Methods and apparatus for manufacturing flanged articles |
09/30/2004 | US20040187312 Method of manufacturing for aluminum alloy wheel rim |
09/30/2004 | DE20220942U1 Cross linkage manufacturing method has cross flow pressing station followed by 2 successive calibration stations |
09/29/2004 | EP1462208A1 Process for manufacturing a clinch nut, and clinch nut thus obtained |
09/29/2004 | EP1462193A1 Method and apparatus for manufacturing flanged articles |
09/29/2004 | EP1461542A1 Work piece, metal push belt and method and processing tool for producing the same |
09/29/2004 | EP0891824B1 Hot forging device for bevel gear |
09/29/2004 | CN1532009A Process for producing rivet crew nut and rivet screw nut produced by the process |
09/23/2004 | US20040182209 Cold-headed standoff |
09/23/2004 | US20040182125 Method and apparatus for manufacture of a forged rack |
09/23/2004 | DE10311150A1 Verfahren zur Herstellung eines geschmiedeten Kolbens für einen Verbrennungsmotor A process for producing a forged piston for an internal combustion engine |
09/23/2004 | DE10311149A1 Verfahren zur Herstellung eines geschmiedeten Kolbens für einen Verbrennungsmotor A process for producing a forged piston for an internal combustion engine |
09/23/2004 | DE10311148A1 Verfahren zur Herstellung eines geschmiedeten Kolbens für einen Verbrennungsmotor A process for producing a forged piston for an internal combustion engine |
09/23/2004 | DE10120392B4 Verfahren zum Herstellen von rotationssymmetrischen Bauteilen A process for the manufacture of rotationally symmetrical components, |
09/22/2004 | EP1459822A1 Tool for deburring forgings |
09/22/2004 | EP1459820A1 Method, machine arrangement and thread cutting device for producing a threaded projection on a flat workpiece, in particular on a metal sheet |
09/16/2004 | WO2004079237A2 Valve for internal combustion engine, its method of manufacturing, and the high-temperature titanium alloy for the valve |
09/16/2004 | US20040180567 Housing for receiving a bearing component and process for manufacturing same |
09/16/2004 | US20040177507 Method of manufacturing rims for motor vehicles |
09/16/2004 | US20040177505 Method for the production of a forged piston for an internal combustion engine |
09/16/2004 | US20040177504 Method for the production of a forged piston for an internal combustion engine |
09/16/2004 | US20040177503 Method for the production of a forged piston for an internal combustion engine |
09/15/2004 | EP1456544A1 Ball-and-socket joint |
09/15/2004 | CN1529763A Aluminium allloy for casting/forging, aluminium alloy cast/forged product and producing methods |
09/15/2004 | CN1528543A Bicycle saddle fastener square rod stub working method |
09/15/2004 | CN1528542A Method and apparatus for manufacturing reducing pipe |
09/15/2004 | CN1166473C Method for producing ring gear |
09/15/2004 | CN1166470C Tool ring and a nail machine comprising such tool ring |
09/10/2004 | WO2004076095A1 Shaft and shaft molding device |
09/09/2004 | US20040175261 Method of manufacturing vacuum pump rotors, and rotors obtained thereby |
09/09/2004 | DE10307786A1 Hutmuttern aus Metall Metal cap nuts |
09/07/2004 | US6785962 Method for producing a full face fabricated vehicle wheel |
09/02/2004 | WO2004074697A1 Thread-cutting screw |
09/02/2004 | WO2004073903A1 Metal forged product upper or lower arm preform of the arm production method for the metal forged product forging die and metal forged product production system |
09/02/2004 | US20040170401 Method for manufacturing a hollow rack shaft |
09/02/2004 | US20040168319 Manufacturing process for cooling channel piston with formable shoulder |
09/02/2004 | DE10307534A1 Fabricating a roller body used for valve impulse in an internal combustion engine of a motor vehicle, involves forming roller body using extrusion materials, in which round profile of roller body is cut-off and formed from extruded cylinder |
09/01/2004 | EP1452250A2 Method of manufacturing a cooling duct piston with deformable flange |
09/01/2004 | EP1450971A1 Longitudinal component with mass accumulations |
09/01/2004 | CN2637035Y Hexogonal bolt hexagonal head fine reducing, screw thread blank size reducing mould |
09/01/2004 | CN2637034Y Super long high strength profile hexagonal bolt red upsetting blank process mould |
09/01/2004 | CN2637033Y Hexagonal bolt screw stem reducing mould |
09/01/2004 | CN1524643A Method for making rapid-to-dismount tribolets |
09/01/2004 | CN1164384C Front axle die stamping composite technology for car |
08/31/2004 | US6782772 Hollow rack shaft and manufacturing method thereof |
08/31/2004 | US6782598 Method of manufacturing hollow rack shaft |
08/26/2004 | WO2004072509A2 Advanced geometry of skew and straight bevel gears produced by forging |
08/26/2004 | US20040165941 Joint |
08/26/2004 | DE10320208B3 Piston production process to make pistons involves forming saddle of base body of piston in countersink tool with material flowing against press movement of deforming tool |
08/25/2004 | EP1450055A2 Cap nut made of metal |
08/24/2004 | US6779271 Method for manufacturing a hollow rack shaft |
08/19/2004 | WO2004069446A1 Method for the production of a high-pressure fuel tank |
08/19/2004 | WO2004030847A9 Method and device for the production of a tubular workpiece, particularly a shock absorber piston rod, and such a workpiece |
08/19/2004 | US20040161181 Low cost fluid dynamic bearing motor |
08/19/2004 | DE10304961B3 Verfahren zur Herstellung eines Kraftstoffhochdruckspeichers A process for producing a fuel high-pressure accumulator |
08/18/2004 | EP1447158A2 Method for producing rack bar |
08/18/2004 | EP1446244A1 Flattened u-bolt and method-for making said u-bolt |
08/17/2004 | US6775908 Production method of cam lobe piece of assembled camshaft |
08/12/2004 | WO2004067207A1 Method for producing rivets from cryomilled aluminum alloys and rivets produced thereby |
08/12/2004 | US20040154423 Advanced geometry of skew and straight bevel gears produced by forging |
08/12/2004 | DE10303757A1 Manufacturing method of gear with 90-180 teeth, by forging, annealing, trimming and grinding initial product of gear, rolling initial product to have 90 to 180 teeth, and then performing heat treatment and surface treatment |
08/10/2004 | US6772615 Method of manufacturing hub unit for supporting wheel and die for manufacturing the same |
08/05/2004 | WO2004065803A1 Screw, screw driver bit, and punch for forming screw head part |
08/05/2004 | US20040151615 Cast aluminum alloy for forging, and aluminum cast-forged product and method of manufacturing the same |
08/05/2004 | US20040151558 Threaded fastener |
08/05/2004 | US20040149359 Method of fabricating a steel forging, and a forging obtained thereby |
08/04/2004 | EP1443200A1 A method for producing a piston for an internal combustion engine and a piston produced by the method |
08/04/2004 | EP1442809A2 Method for producing parts with hollow body |
08/04/2004 | CN1518644A Combination of screw with screwdriver bit and header punch for manufacturing screw |
08/04/2004 | CN1517518A Sintered alloy valve seat and its manufacturing method |
08/04/2004 | CN1160169C Method of and apparatus for manufacturing pressed powder body |
08/03/2004 | US6769175 Heat sink device manufacture |
07/29/2004 | US20040146376 Self-attaching fastener and method of attachment |
07/29/2004 | US20040146375 Self-attaching nut |
07/29/2004 | US20040145168 Steering column and manufacturing method thereof |
07/29/2004 | DE4214444B4 Verfahren zur Herstellung von Kugelschalen für Gleichlaufgelenke sowie Profildorn zur Verwendung in dem Verfahren Process for the preparation of spherical shells for constant velocity joints and profile mandrel for use in the method |
07/28/2004 | EP1440741A1 Method of manufacturing hollow member |
07/28/2004 | CN2628183Y Forging products forming machine |
07/28/2004 | CN1515804A Eccentric rotation shaft and electric motor shaft mfg. method |
07/28/2004 | CN1159122C Forging process of aluminium wheel hub for bicycle |
07/22/2004 | WO2004050269A3 Self-attaching female fastener elements and method fo forming same |
07/22/2004 | WO2004028722A8 Cold formed differential housing with integrated ring gear |
07/22/2004 | US20040140019 Method for preparing rivets from cryomilled aluminum alloys and rivets produced thereby |
07/22/2004 | US20040139609 Method for use in manufacturing a bicycle spoked wheel, an accessory for a bicycle, a kit of parts intended for use with the accessory, and a magnetic insert that is destined to be removably attached to a spoke attachment element |
07/22/2004 | DE10260560A1 Schwenkbolzen einer Schaltschwinge A shift rocker pivot pin |
07/20/2004 | US6763757 Process for manufacturing a one-piece cooling-channel piston |
07/20/2004 | US6763739 Hollow rack shaft and manufacturing method thereof |
07/15/2004 | US20040134065 Metal plate rocker arm and method of manufacturing the metal plate rocker arm |
07/15/2004 | DE10358351A1 Valve tappet for combustion engine and production process, has micro pits formed by radiation in the smooth gas carbon nitride steel upper surface of the tappet |
07/15/2004 | DE10261555A1 Cross linkage manufacturing method has cross flow pressing station followed by 2 successive calibration stations |
07/15/2004 | DE10257882A1 Component manufacturing process for rotary-symmetric transmission involves producing a number of different coupling bodies from single blank |
07/14/2004 | CN2625080Y Finish forged straight bevel gear tooth die holder |
07/14/2004 | CN1511673A Method for producing steel forge piece and forge piece produced therefrom |
07/13/2004 | US6761621 Gear and method of manufacturing gear |
07/08/2004 | WO2004056504A1 Steering pinion |