Patents for B21K 1 - Making machine elements (7,621) |
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06/24/1998 | CN1185814A Preparation of pre-coated aluminium alloy articles |
06/23/1998 | US5768934 Outer joint part produced as a formed plate metal part |
06/18/1998 | WO1998025715A2 Method of producing a forged metal part |
06/16/1998 | US5765430 Method for and apparatus of producing outer member of universal joint having cross-grooves |
06/10/1998 | EP0757602B1 Process and device for the continuous, chipless separation of individual rings from tubular workpieces |
06/09/1998 | US5764051 Cold forged toothed ring for producing rotational speed signals |
06/09/1998 | US5762725 Steel for the manufacture of forging having a bainitic structure and process for manufacturing a forging |
06/09/1998 | US5762439 Servo-member and method of making |
06/04/1998 | WO1998023872A1 Blind rivet and method of making same |
06/03/1998 | CN1183326A Method for making composite screw |
06/02/1998 | US5758536 Device and method for cold forging double cylindrical pulley |
05/27/1998 | EP0843604A1 Method of manufacturing seat rails and the provided rails |
05/27/1998 | EP0772502B1 Process for producing conical gears and a device for carrying out said process |
05/27/1998 | CN1183067A Chuck having formed jaws |
05/22/1998 | WO1998020994A1 Hot forging device for bevel gear |
05/13/1998 | EP0841472A1 Tappet in an internal combustion engine and a method of manufacturing the tappet |
05/13/1998 | EP0841111A1 Method of obtaining grooves on a shaft |
05/07/1998 | DE19746235A1 Poppet valve manufacturing method for vehicle engine |
05/06/1998 | CN2280572Y Reinforcing-bar joining-device former |
05/05/1998 | US5746085 Gear forming method |
04/29/1998 | EP0719349B1 Process of producing sintered articles |
04/28/1998 | US5744175 Device for expanding rotationally symmetrical shaped parts |
04/22/1998 | EP0836954A2 Wheel for rolling stock and manufacturing method thereof |
04/21/1998 | US5740688 Pressure-assisted formation of shaped articles |
04/21/1998 | US5740609 Method of making one-piece vehicle wheels and the like |
04/16/1998 | WO1998015369A1 Method of forming boss integrally with sheet metal |
04/14/1998 | US5737956 Method for manufacturing a force-receiving plate for friction device |
04/14/1998 | US5737836 Method of making a splined turbine hub |
04/08/1998 | CN2277840Y Cold upsetting machine |
04/08/1998 | CN1178145A Method and apparatus for manufacturing metal workpieces with internal screw |
04/01/1998 | EP0832703A1 Method for producing a metal part having internal threads and machine therefor |
04/01/1998 | CN2277306Y Cold header |
03/31/1998 | US5732587 Metallic workpiece having to-be-ironed section and method for forming the same |
03/31/1998 | US5732586 Cold extrusion for helical gear teeth |
03/30/1998 | CA2203983A1 Method for producing a metal part having internal threads and machine therefor |
03/26/1998 | WO1998012006A1 Method for manufacturing outer parts of constant velocity joints |
03/25/1998 | EP0830911A1 Method of manufacturing moulded articles for vehicle occupant restraint systems |
03/25/1998 | EP0830910A2 Method of manufacturing moulded elements and structural moulded element |
03/25/1998 | CN1177065A Transmission shaft and method for making same |
03/25/1998 | CN1037871C Screw head with slant rib and punch for making such screw heads |
03/24/1998 | US5730018 Method of forming internal spline shaft |
03/24/1998 | US5729951 Anchoring device for the construction industry |
03/24/1998 | US5729883 Method of producing a forging |
03/19/1998 | DE19739515A1 Forging device for ring gear |
03/18/1998 | EP0828863A1 Preparation of pre-coated aluminum alloy articles |
03/18/1998 | EP0828572A1 Process for producing annular work pieces from metal with a profiled cross-section and a rolling facility for carrying out the method |
03/12/1998 | WO1998009749A1 Method of fabricating shaft from metal plate |
03/11/1998 | CN1175658A Engine variable valve timing mechanism |
03/10/1998 | US5724929 Engine variable valve timing mechanism |
03/05/1998 | WO1998008646A1 Method of forming toothed wheels and product formed thereby |
03/05/1998 | DE19737629A1 Process for shaping axially ductile bolts by forging |
03/03/1998 | US5722838 Fastener system and method of manufacture thereof |
03/03/1998 | US5722281 Apparatus for manufacturing an automotive steering rack |
03/03/1998 | US5722165 Method of producing a cast wheel |
03/03/1998 | US5722164 Method of making a toothed gear |
03/03/1998 | US5722138 Apparatus for manufacturing toothed gears |
02/26/1998 | WO1998008001A1 Torque transmitting member in a clutch |
02/24/1998 | US5722035 Method of producing hunting projectile with hollow point |
02/19/1998 | WO1997048831A3 Method for processing billets from multiphase alloys and the article |
02/19/1998 | DE19718180A1 Manufacture of externally toothed gear |
02/19/1998 | DE19712260A1 Anchorage nut embedded in moulded composite or rubberised material |
02/18/1998 | EP0824200A1 Stud having a spherical surface bearing |
02/17/1998 | US5718774 Method of producing bevel gear |
02/05/1998 | DE19736946A1 Method for forming workpiece of pressure rolling machine |
01/20/1998 | US5709118 Press apparatus for forming gear teeth |
01/15/1998 | WO1998001246A1 Shaped article of sheet metal having peripheral wall and method of increasing peripheral wall thickness |
01/14/1998 | EP0818548A1 Aluminum alloy impeller and manufacturing method of the same |
01/14/1998 | EP0818370A2 Mounting put for a retaining cable in a vehicle seat belt system |
01/13/1998 | US5706697 Process of and apparatus for ironing work for bolt and the same work for bolt |
01/13/1998 | US5706694 Plate clutch assembly having a torque transmitting member with an improved lubrication controlling dam structure and method of making the same |
01/08/1998 | DE19627202A1 Fixture section for holder cord in vehicle security belt system |
01/07/1998 | EP0815996A1 Process for producing a connecting rod |
01/07/1998 | EP0814931A1 Chuck having formed jaws |
01/02/1998 | DE19719578A1 Prefabricated concrete reinforcing rod manufacturing method |
12/31/1997 | CN1168825A Process for mfg. connecting rod rough forging |
12/30/1997 | US5702141 Polyblock railway wheel |
12/30/1997 | US5701779 Chuck having formed jaws |
12/29/1997 | EP0813455A1 Stainless steel shafts, assemblies and methods of making same |
12/24/1997 | WO1997048831A2 Method for processing billets from multiphase alloys and the article |
12/24/1997 | WO1997048509A1 Method for producing axially symmetric parts and the article |
12/24/1997 | CN1168304A Extruding and forging press for producing raised decoration unit in figured metal pipe |
12/23/1997 | US5700199 Method for sizing a lock nut |
12/23/1997 | US5699689 Method of and apparatus for forming a disc-shaped blank |
12/18/1997 | DE19624009A1 Procedure for manufacture of multi=cornered screw head |
12/17/1997 | EP0812637A1 Die for cold forming of articles |
12/16/1997 | US5697245 Apparatus for forge-forming outer-ring of constant velocity joint and method thereof |
12/11/1997 | DE19723634A1 Method for making connecting screw |
12/11/1997 | DE19718629A1 Tool arrangement for ring rolling of bevel gear teeth |
12/11/1997 | DE19652326C1 Manufacturing method for slide shoe for axial piston machine |
12/10/1997 | EP0810907A1 Two piece pedal rod and method of making same |
11/27/1997 | DE19721355A1 Riveting with a coated rivet that also deforms to clamp-up workpieces |
11/25/1997 | US5689882 Method of producing a rear wheel spindle |
11/20/1997 | WO1997043067A1 Compacted-powder opposed twin-helical gears and method |
11/20/1997 | DE19719312A1 Method for production of small metal balls |
11/20/1997 | DE19705279A1 Gear shaft forming to give reduced cavity diameters at shaft ends |
11/19/1997 | CN2267878Y Internal-ribbed-tube forming device |
11/13/1997 | WO1997041982A1 Procede for rolling bevel gears on an axial stamping rolling machine and tooling for its implementation |
11/12/1997 | CN2267111Y Cold rolling ring machine |
11/03/1997 | CA2202721A1 Method of making a splined turbine hub |
10/30/1997 | DE19637839C1 Homo-kinetic joint manufacturing method |