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