Patents for B21K 1 - Making machine elements (7,621) |
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01/20/1999 | EP0891824A1 Hot forging device for bevel gear |
01/20/1999 | CN1205402A Loosing and method of making same |
01/19/1999 | US5860323 Variable-pitch racked bar |
01/19/1999 | US5860313 Method of manufacturing press-formed product |
01/19/1999 | CA2129192C A method of making a mandrel for blind rivets |
01/14/1999 | WO1999001673A1 Staked fastener having wrenchable flats |
01/13/1999 | CN1204558A Gear rolling cold-forging forming machine and feeding equipment thereof |
01/12/1999 | US5858133 Method for preparing pre-coated aluminum alloy articles and articles prepared thereby |
01/12/1999 | US5857681 Chuck having formed jaws |
01/07/1999 | EP0888837A2 Method of manufacturing fastening elements |
01/07/1999 | DE19827471A1 Vehicle cooling compressor swashplate shoe production |
01/07/1999 | DE19726697A1 Verfahren zum Herstellen einer Zahnstange A method of manufacturing a rack |
12/30/1998 | WO1998058754A1 Method for producing a rack |
12/30/1998 | EP0828572B1 Process for producing annular work pieces from metal with a profiled cross-section and a rolling facility for carrying out the method |
12/29/1998 | US5852873 Method of manufacture of a rotationally symmetrical part |
12/29/1998 | US5852864 Constant velocity universal ball joint and method of producing such a joint |
12/29/1998 | US5852863 Method of producing a transverse force bolt and transverse force bolt produced by this method |
12/23/1998 | WO1998057765A1 Multistage metal-forming machine tool |
12/23/1998 | EP0885669A2 Method of making sleeves with femal thread segments and thus obtained sleeves |
12/23/1998 | CN1202858A Method of producing light alloy wheels |
12/22/1998 | CA2131566C Method and apparatus for forming a head on a fastener and a fastener formed therefrom |
12/17/1998 | WO1998057071A1 Torque transmitting member in automotive transmission, method for forming spline teeth, and apparatus for forming the same |
12/17/1998 | DE19724714A1 Self-restraining nut |
12/16/1998 | EP0884396A1 Method for manufacturing a railway wheel and railway wheel so obtained |
12/16/1998 | EP0883770A1 Mechanical joint |
12/15/1998 | USRE35995 Constant velocity universal ball joint |
12/10/1998 | DE19830817A1 Internal toothing flow-turning process for workpieces |
12/09/1998 | EP0882640A2 Reinforcement for vehicle hollow structural member, having decreasing thickness end portions |
12/08/1998 | US5845394 Method of manufacturing a yoke for an elastic universal joint |
12/03/1998 | WO1998053937A1 Method and device for producing a one-piece vehicle wheel |
12/03/1998 | WO1998053934A1 Flowturning device and method for producing internal geared wheels with two sets of inner toothing |
12/03/1998 | DE19722359A1 Drückwalzvorrichtung und Verfahren zur Herstellung von Hohlrädern mit zwei Innenverzahnungen Flow-forming device and procedure for the production of hollow wheels with internal toothings two |
12/03/1998 | CA2290448A1 Method and device for producing a one-piece vehicle wheel |
12/01/1998 | US5842580 Method of producing socket plate for wobble plate compressors |
11/19/1998 | WO1998051939A1 Thin-walled ring-shaped member and method of manufacturing same |
11/18/1998 | EP0687394B1 Improved process for manufacturing alternator pole piece |
11/10/1998 | US5833418 Stud having a spherical surface bearing |
11/10/1998 | US5833280 Tube fitting assembly for a gas line |
11/10/1998 | US5832607 Method of making a transmission shaft |
11/05/1998 | WO1998048959A1 Rivet fabrication method |
11/04/1998 | CN2296248Y Screw head forging and forming device |
11/04/1998 | CN1197702A Technological process of manufacturing steel flange blank |
11/03/1998 | US5829911 Method for forming a high-tooth spline of a hollow shaft and hollow shaft having a high-tooth spline |
11/03/1998 | US5829768 Arm and process for forging the same |
11/03/1998 | US5829136 Method of making a vehicle wheel and associated method of making a vehicle wheel |
10/29/1998 | WO1998047721A1 Process for forging a near net wheel casting |
10/29/1998 | WO1998047646A1 Forging die and upset forging method |
10/29/1998 | WO1998047640A1 Joining metal components |
10/27/1998 | US5827027 Nut free from inadvertent loosening and a method of making same |
10/20/1998 | US5823729 Tee nut and method of manufacturing the same |
10/14/1998 | EP0870560A2 Apparatus for producing an outer body for the head of a ball joint |
10/14/1998 | EP0870559A2 Apparatus for producing a spherical element for the head of a ball joint |
10/14/1998 | EP0870558A2 Wear-resistant tool-insert |
10/14/1998 | CN1196007A Shaped article of sheet metal having peripheral wall and method of increasing peripheral wall thickness |
10/14/1998 | CN1040185C Method for manufacturing hub of wheel |
10/06/1998 | US5816093 Method and tool for forming a tapered hole in a cylindrical work by punching extruding |
10/06/1998 | US5815922 Method and apparatus for forging helical ring gear |
10/01/1998 | DE19814362A1 Torque converter cover |
10/01/1998 | DE19712985A1 Method for machining of pins on workpieces such as tripods, spiders etc |
10/01/1998 | DE19712939A1 Non-chipping production of metal ring for use in e.g. torsional vibration dampers |
09/30/1998 | CN1194341A Lateral stressed bolt and its producing method |
09/29/1998 | US5813272 Apparatus for full enclosed die forging |
09/25/1998 | CA2200905A1 Method of producing a transverse force bolt and transverse force bolt produced by this method |
09/24/1998 | WO1998041339A1 Method for producing a brake cam shaft and a brake cam shaft produced according to said method |
09/24/1998 | DE19710848A1 Verfahren zur Herstellung einer Bremsnockenwelle sowie nach diesem Verfahren hergestellte Bremsnockenwelle A method of manufacturing a brake camshaft, and produced by this process brake camshaft |
09/23/1998 | EP0865938A1 Method of producing light alloy wheels |
09/22/1998 | CA2118732C Method of manufacturing tee nut |
09/22/1998 | CA2100232C Entrance contour design to streamline metal flow in a forging die |
09/17/1998 | WO1998040527A2 Microalloyed bearing steel for cold forming, method for manufacturing finished and semi-finished products therefrom |
09/17/1998 | DE19710333A1 Wälzlagerstahl mit einer verzögert einsetzenden Rekristallisation des Austenits Bearing steel with a delayed onset of recrystallization of austenite |
09/16/1998 | EP0864388A1 Method for the manufacture of a crank-shaft, in particular for an internal-combustion-engine |
09/16/1998 | CN2291229Y Ejecting mechanism of forge piece former |
09/15/1998 | US5806645 Rotary hub component in a plate clutch assembly |
09/15/1998 | US5806373 Gear and method for manufacturing same |
09/09/1998 | CN1192387A Process for fabrication of rack shaft and fabrication machine therefor |
09/02/1998 | CN2289625Y Thin-wall pipe end flange mouth forming machine |
09/01/1998 | US5799528 Manually operated tool for upsetting a steel reinforcement bar |
08/26/1998 | EP0860225A2 Process for fabrication of rack shaft and fabrication machine therefor |
08/26/1998 | CN1191164A Mould core device capable of simple taking out mandrel for cold forging and use method thereof |
08/19/1998 | EP0858373A1 Apparatus and method for forging a pinion gear with a near net shape |
08/18/1998 | US5795413 Dual-property alpha-beta titanium alloy forgings |
08/18/1998 | US5795234 Process for forming bolt |
08/11/1998 | US5791997 Method and apparatus for fabricating one piece all metal prevailing torque locknut fasteners |
08/11/1998 | US5791183 Apparatus and method for cold forming a ring on a lead alloy battery terminal including an anti-torque structure |
08/04/1998 | US5788578 Homokinetic joint having an outer ring formed with track grooves which have a constant effective depth |
08/04/1998 | US5787753 Apparatus and method for forging a pinion gear with a near net shape |
07/30/1998 | WO1998032982A1 Process for manufacturing flat bearing shells |
07/30/1998 | DE19802380A1 Method of forming key on sheet metal part |
07/30/1998 | DE19801341A1 Method of forming internal flange on sheet metal part |
07/30/1998 | DE19702444A1 Verfahren zum Herstellen von Flachlagerschalen A method for producing flat bearing shells |
07/22/1998 | EP0853992A2 Method for the production of a valve casing for a gate valve |
07/14/1998 | US5779268 For a gas generating inflator |
07/14/1998 | US5778534 Method of making exhaust valves for use in automobiles |
07/09/1998 | DE19700384A1 Method for manufacturing round blanks for extrusion pressing |
07/02/1998 | DE19757359A1 Carbon steel for hot forged connecting rod |
07/01/1998 | EP0851151A1 Pulley and manufacturing method of the same |
07/01/1998 | EP0850711A1 Process and machine for forging rod-shaped article having deformed portion at an end thereof |
06/30/1998 | US5771737 Method for producing a propeller shaft |
06/26/1998 | CA2225772A1 Pulley and manufacturing method of the same |
06/24/1998 | EP0849502A2 Transmission shaft and method for making same |