| Patents for B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor (5,577) |
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| 11/26/1997 | CN1165718A Connecting rod rolling-shaping tech. and appts. |
| 11/26/1997 | CN1165717A Hollow-shaping forging process for metal tube |
| 11/18/1997 | US5687604 Thermal controlled mandrel with replaceable tip for copper and brass extrusion |
| 10/23/1997 | WO1997038807A1 Process for increasing the wall thickness in hollow sections |
| 10/16/1997 | DE19614656A1 Manufacture of increased wall thickness on hollow profile, for IC engine exhaust pipe |
| 10/15/1997 | EP0800430A1 A spade-type boring bit and an associated method and apparatus for forming metallic parts |
| 10/15/1997 | EP0800425A1 Method of manufacturing internally geared parts |
| 10/01/1997 | EP0798059A1 Method of production of a blank for a forged connecting rod |
| 09/29/1997 | CA2201252A1 Procedure for the manufacture of a forged blank connecting rod |
| 09/24/1997 | EP0796677A1 Extruded material for expansion working and method of expansion working |
| 09/17/1997 | EP0795297A2 Control system for an automatic needle-suture assembly and packaging machine |
| 09/16/1997 | US5666849 Method of correcting the dimension of workpieces |
| 08/26/1997 | US5660594 Method of making a threaded connection for reinforcing bars |
| 08/26/1997 | US5660593 Outer joint part produced as a formed plate metal part |
| 08/09/1997 | CA2196029A1 Steel for manufacturing forged parts and manufacturing process for a forged part |
| 08/06/1997 | EP0787812A1 Steel for the manufacture of forgings and process for manufacturing said forgings |
| 08/06/1997 | EP0787047A1 Process for heading pipe ends and device for implementing it |
| 07/30/1997 | EP0786296A1 Method and device for the production of semi-finished products |
| 07/29/1997 | US5651291 Crankcase forging and forming process |
| 07/15/1997 | CA2007269C Swaging tool for bearing installation |
| 07/10/1997 | WO1997024558A1 Method and apparatus for containing and suppressing explosive detonations |
| 07/01/1997 | US5642640 Back extrusion process for forming a manifold port |
| 06/25/1997 | CN2256780Y Automatic cold headers |
| 06/25/1997 | CN1152482A Electrode in electric gathering apparatus |
| 06/19/1997 | DE19606754C1 Method for manufacturing tube blank for pinion shaft |
| 06/18/1997 | EP0779114A2 Back extrusion process for forming a manifold port |
| 05/28/1997 | CN1150767A Method of producing seamless hot-finished tube |
| 05/27/1997 | US5632179 Method of manufacturing an engaging element for one way clutch improving squareness of cam face relative to side surfaces |
| 05/07/1997 | DE19644967A1 Method for manufacturing of drive roller for Torus-type stageless gear |
| 05/06/1997 | US5626522 Method and an apparatus for making a head on an elongate blank |
| 04/24/1997 | WO1997014372A1 Two-piece dental abutment |
| 04/15/1997 | US5619882 Process and device for producing phillips-head screwing tools or the like, especially in the form of bits |
| 04/10/1997 | WO1997012700A1 Pressure-assisted formation of shaped articles |
| 04/03/1997 | WO1997012155A1 Method of manufacturing a joint housing |
| 04/02/1997 | EP0766015A1 Method of manufacturing a housing of a joint |
| 04/02/1997 | EP0756682A4 Method for making upset ends on metal pipe and resulting product |
| 04/01/1997 | US5615481 Method and apparatus for the production of circumferentially compressible pipe fittings |
| 04/01/1997 | US5615465 Process for manufacturing metal parts by free forging and drop forging in a press |
| 03/26/1997 | EP0764298A1 Method for manufacturing flashless metal connecting rod |
| 03/26/1997 | EP0764063A1 Method of producing a seamless hot-finished tube |
| 03/26/1997 | CN1145831A Rolled precision moulding machine |
| 03/25/1997 | US5613453 Method and apparatus for containing and suppressing explosive detonations |
| 03/20/1997 | WO1997010065A1 Apparatus for preparing a preform slug to be used in a manufacturing operation |
| 03/13/1997 | DE19532954A1 Flow-turn device for manufacture of pressure-rolled parts |
| 03/12/1997 | CN1144724A Plate pressing rolling plastic finish-forming machine |
| 03/04/1997 | US5606887 Apparatus and method for cold forming an L-shaped lead alloy battery terminal |
| 02/26/1997 | EP0759333A1 Process for forming bolt |
| 02/18/1997 | US5603882 Piercing method and apparatus |
| 02/18/1997 | US5603235 Alkali cleaning; pickling; dipping in water glass solution; drying |
| 02/12/1997 | CN1142791A Stepped, segmented, closed-die forging |
| 02/06/1997 | DE4390874C1 Cold forming process and equipment esp. for screw driver bits of cross slot form |
| 02/05/1997 | EP0756908A1 Process and apparatus for ironing a bolt and bolt produced thereby |
| 02/05/1997 | EP0756682A1 Method for making upset ends on metal pipe and resulting product |
| 01/14/1997 | US5592847 Stepped segmented, closed-die forging |
| 01/08/1997 | CN1139600A All fibre forging method and die for water-cooling head of punching machine |
| 01/08/1997 | CN1139599A Making method and clamp tool for oil cylinder of shock absorber for motor vehicle |
| 01/08/1997 | CN1139598A Making device for constant shaft coupling and the like |
| 01/02/1997 | DE19625893A1 Disc-shaped blank making process |
| 12/10/1996 | US5582057 Method for forming an expansion sleeve for an expansion dowel |
| 12/04/1996 | EP0745011A1 Thread formation |
| 11/28/1996 | WO1996037161A1 Anti-rotational connecting mechanism |
| 11/19/1996 | US5575171 Process and apparatus for the production of webbing take-up spindle |
| 11/12/1996 | US5572897 Method of obtaining hollow forgings by radial forging of solid blanks |
| 10/31/1996 | DE19515452A1 Chipless production method of internal tooth system for drive shaft |
| 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 |
| 10/23/1996 | EP0630303B1 A method and an apparatus for ejecting an elongate blank from a die |
| 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 |
| 10/23/1996 | EP0610509B1 Method for obtaining hollow forgings by radial forging of continuous blanks |
| 10/08/1996 | US5562785 Method for manufacturing toothed gears |
| 10/02/1996 | EP0734294A1 Stepped, segmented, closed-die forging |
| 09/04/1996 | CN1130108A Method for producing thin and long complex-shaped metal part |
| 08/28/1996 | CN2233798Y Finely roller moulding press |
| 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 |
| 08/06/1996 | US5542278 Method of radial forging |
| 08/06/1996 | US5542276 Method and an apparatus for ejecting an elongate blank from a die |
| 07/31/1996 | CN1127683A Method for making expanding sheath of expanding nail |
| 07/17/1996 | EP0721816A1 Method for the production of a hollow profile |
| 07/11/1996 | WO1996020803A1 A spade-type boring bit and an associated method and apparatus for forming metallic parts |
| 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 |
| 06/20/1996 | DE4445057A1 Rapid exchange of prestressed screwed component |
| 06/12/1996 | EP0715915A1 Metallic ingot for plastic working and method for producing the same |
| 06/11/1996 | US5524471 Apparatus for making screws, rivets or similar objects |
| 05/28/1996 | US5519932 Multi-stage automatic press and assembly machine |
| 05/21/1996 | US5517844 Method for forming threadings in a bushing which is used to secure a hose therein |
| 05/21/1996 | US5517843 Method for making upset ends on metal pipe and resulting product |
| 05/15/1996 | EP0711210A1 Method of plastic forming of materials |
| 05/15/1996 | DE4440085A1 Method for forming flat shaped metal parts in a press where no further machining is required |
| 05/08/1996 | CN1121849A Technique for precision forging external sleeve blank of CV joint for car |
| 05/02/1996 | WO1996012578A1 Process for heading pipe ends and device for implementing it |
| 05/02/1996 | DE4437395A1 Verfahren zum Anstauchen von Rohrenden und Vorrichtung zur Durchführung des Verfahrens Method for upsetting tube ends and device for carrying out the method |
| 04/24/1996 | CN1120984A Pumping-rod forging process and the die thereof |
| 04/17/1996 | CN1031556C Punch pressing mechanism of forging machinery |
| 04/16/1996 | US5507167 Process and device for providing a shaft with splines |
| 04/11/1996 | DE4434958A1 Device for manufacturing precision forging parts |