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