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