Patents for B21K 1 - Making machine elements (7,621) |
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02/12/1997 | CN1142792A Apparatus for manufacturing steering rack bars |
02/11/1997 | US5601377 Yoke of universal joint and method of producing same |
02/06/1997 | WO1997003770A1 Method of manufacturing seat rails and the provided rails |
02/05/1997 | EP0756908A1 Process and apparatus for ironing a bolt and bolt produced thereby |
02/05/1997 | EP0738191A4 Apparatus for manufacturing steering rack bars |
02/04/1997 | US5598731 Continuous extrusion of complex articles |
01/29/1997 | EP0755734A1 Cold extrusion method for forming a bevel gear integral with a rotation pivot, and the gear obtained by said method |
01/21/1997 | US5595613 Steel for gear, gear superior in strength of tooth surface and method for producing same |
01/15/1997 | CN1033791C Method for making constant-velocity joint outer wheel rough blank |
01/02/1997 | EP0750955A1 Method of molding a poppet valve having a smaller diameter portion |
01/02/1997 | DE19626160A1 Gearwheel mfg. process using plastic deformation of cold metal |
01/02/1997 | DE19625893A1 Disc-shaped blank making process |
01/02/1997 | DE19522409A1 Threaded joint for fastening parts together |
01/01/1997 | CN1139027A Plastic working method of gear-type parts |
12/19/1996 | DE19623453A1 Press arrangement for shaping teeth on discs or drums |
12/18/1996 | CN1138302A Shrinking method |
12/11/1996 | EP0747271A1 Stamped base for driver side airbag inflator housing |
12/10/1996 | US5582548 Method of manufacture of anti-slip fastener |
12/10/1996 | US5582057 Method for forming an expansion sleeve for an expansion dowel |
12/05/1996 | WO1996038241A1 Process for producing annular work pieces from metal with a profiled cross-section and a rolling facility for carrying out the method |
12/05/1996 | DE19525868A1 Verfahren zum Herstellen von ringförmigen Werkstücken aus Metall mit profiliertem Querschnitt und Walzwerk zu dessen Durchführung A method of producing annular workpieces of metal with profiled cross-section and rolling mill for carrying it out |
12/04/1996 | EP0745493A1 Multi-piece railway vehicle wheel |
12/01/1996 | CA2177729A1 Multi-piece railway wheel |
11/27/1996 | CN2241024Y Hub shaping punching tool device for bicycle |
11/27/1996 | CN1033370C Method for mfg. blank of (BJ) outer wheel for automotive driving axle's equal speed joint |
11/26/1996 | US5577323 Method of manufactoring a race ring for a rolling bearing |
11/20/1996 | CN1135944A Forging process for inner and outer rings of conical bearings |
11/19/1996 | US5575171 Process and apparatus for the production of webbing take-up spindle |
11/07/1996 | WO1996034993A1 Preparation of pre-coated aluminum alloy articles |
11/07/1996 | DE19617831A1 Gear production method for differential in vehicle |
11/05/1996 | US5571349 Method of producing twisted aluminum articles |
10/31/1996 | DE19616833A1 Production method for V-belt pulley |
10/31/1996 | DE19515452A1 Chipless production method of internal tooth system for drive shaft |
10/30/1996 | EP0739762A1 Arm and process for forging the same |
10/30/1996 | EP0739665A1 Method for the production of a groove on the journals of workpieces or on the ends of shafts or axles |
10/30/1996 | EP0739256A1 Method of making a threaded connection for reinforcing bars |
10/30/1996 | EP0630301B1 A method and an apparatus for making an elongate object |
10/23/1996 | EP0738191A1 Apparatus for manufacturing steering rack bars |
10/23/1996 | EP0630302B1 A method and an apparatus for making screws, rivets or similar objects |
10/23/1996 | EP0630300B1 A method and an apparatus for making a head on an elongate blank |
10/16/1996 | EP0737540A1 Method for making transmission parts with special teeth, in particular synchronisation teeth |
10/16/1996 | EP0737114A1 Shrinking method |
10/16/1996 | CN1133213A Rotary forging apparatus |
10/08/1996 | US5562785 Method for manufacturing toothed gears |
10/08/1996 | US5562547 Self-attachment screw |
10/08/1996 | US5562245 Method of producing a circular fibre-reinforced metal article, and apparatus for use in said method |
10/02/1996 | DE19511684A1 Alignment or righting post for buildings |
10/02/1996 | CN1132307A Temperature control in ultra light engine valve |
10/02/1996 | CN1132126A Bicycle bearing cup and its hub shaping method |
09/26/1996 | WO1996029169A1 Chuck having formed jaws |
09/26/1996 | CA2215760A1 Chuck having formed jaws |
09/25/1996 | CN1131589A Apparatus for manufacturing automotive steering rack |
09/24/1996 | US5557981 One-piece gearshift lever with cold formed end |
09/19/1996 | DE19605641A1 Homo-kinetic joint with balls moving in curved grooves |
09/12/1996 | WO1996027460A1 Production of the cam with finished size by cold forming |
09/12/1996 | WO1996027456A1 Stainless steel shafts, assemblies and methods of making same |
09/03/1996 | US5551271 U-bolt bending apparatus |
09/03/1996 | US5551270 Extrusion forming of internal helical splines |
09/03/1996 | US5551143 Rotor shaft having lead wire passage slots and method of forming collar support by cold heading |
08/29/1996 | WO1996026024A1 Two piece pedal rod and method of making same |
08/28/1996 | CN2233799Y Improved automatic stringing and punching machine for iron pot |
08/27/1996 | US5549430 Self-attaching fastener and installation die |
08/21/1996 | EP0726826A1 Finished forged sprocket segment method and apparatus |
08/20/1996 | US5547424 Method and an apparatus for making an elongate object |
08/20/1996 | US5546781 Process for the production of a toothed rack via cold forming, the rack produced thereby, and an apparatus for practicing the process |
08/14/1996 | EP0726186A1 Belt fixture for seat belt assembly and process for production thereof |
08/14/1996 | EP0726110A1 Method for hot-pressing balls, particularly for ball valves and the like, and ball produced thereby |
08/14/1996 | DE19602298A1 Method of mfr. of a vehicle wheel from circular blank by radial upsetting |
08/13/1996 | US5544548 Cold forming method of toothed ring-shaped products and forming apparatus for its use |
08/13/1996 | US5544413 Method and apparatus for manfacturing a flashless metal connecting rod |
08/08/1996 | DE19503298A1 Thread section on round or polygonal hollow base body |
08/07/1996 | CN1128184A Manufacture method of wheel hub of motorcycle |
08/06/1996 | US5542886 Process and apparatus for the production of star profile nails |
07/31/1996 | EP0623192B1 Blind fastener |
07/31/1996 | EP0595830B1 Screw head with slant rib and punch for making such screw heads |
07/31/1996 | CN1127683A Method for making expanding sheath of expanding nail |
07/24/1996 | EP0722372A1 Apparatus for forge-forming outer-ring of constant velocity joint and method thereof |
07/23/1996 | US5538473 Constant velocity universal joint |
07/23/1996 | US5537850 Method of shaping a wheel |
07/18/1996 | DE19501060A1 Radial piston fuel-injection pump |
07/17/1996 | EP0721386A1 Formation of threads with varying pitch |
07/17/1996 | CN1126640A Method of manufacturing an automobile steering rack |
07/16/1996 | US5536100 For a vehicle |
07/11/1996 | DE19544786A1 Machine for forming toothed steering rack for vehicle |
07/09/1996 | US5533379 Method of forming a head on a fastener |
07/09/1996 | US5533377 Method of making a mandrel for blind rivets |
07/04/1996 | WO1996020050A1 Method of manufacturing internally geared parts |
07/04/1996 | DE4446919A1 Verfahren zur Herstellung von innenverzahnten Teilen A process for producing internally toothed parts |
07/04/1996 | CA2209121A1 Method of manufacturing internally geared parts |
07/04/1996 | CA2166443A1 Tubular housing, in particular for a fuel pump |
07/03/1996 | EP0719349A1 Process for preparing a powder mixture and its use |
07/02/1996 | US5531552 Self-attaching nut and method of making same |
07/02/1996 | US5531088 For making a product from a workpiece of plastic metal material |
07/02/1996 | CA2072852C Threaded fastener, method of fabrication thereof and method of supporting a mine roof using such a fastener |
07/01/1996 | CA2166143A1 Full face wheel construction (mud prevention ring) |
06/30/1996 | CA2163845A1 Method of forming a one-piece steering shaft member |
06/11/1996 | US5524471 Apparatus for making screws, rivets or similar objects |
06/11/1996 | US5524464 Workpiece-bore processing apparatus and method |
06/11/1996 | CA2023831C Method and apparatus for stamping weld adapters |
06/04/1996 | US5522246 For use in an automotive vehicle |