| Patents for B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor (5,577) |
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| 02/16/1999 | US5870923 Forging method |
| 02/11/1999 | WO1999006735A1 One-piece flywheel having outer ring gear portion, and process of manufacturing the same |
| 02/11/1999 | WO1999006164A1 Method for ironing spline teeth in pressed stepped sheetmetal and sheetmetal clutch drum formed by same |
| 02/09/1999 | US5868026 Stepped, segmented, closed-die forging |
| 02/03/1999 | EP0764063B1 Method of producing a seamless hot-finished tube |
| 02/02/1999 | US5865055 Spline forming die |
| 01/28/1999 | WO1999003618A1 Device and method for moulding a grooved structure into a tubular workpiece |
| 01/27/1999 | EP0892689A1 Process for increasing the wall thickness in hollow sections |
| 01/27/1999 | CN1206453A Method and apparatus for containing and suppressing explosive |
| 01/21/1999 | WO1999002743A1 Metal article with fine uniform structures and textures and process of making same |
| 01/21/1999 | DE19731055A1 Vorrichtung und Verfahren zum Einformen einer Rillenstruktur in ein rohrförmiges Werkstück Apparatus and method for molding a groove structure into a tubular workpiece |
| 01/20/1999 | EP0891824A1 Hot forging device for bevel gear |
| 01/19/1999 | US5860313 Method of manufacturing press-formed product |
| 01/13/1999 | CN1204558A Gear rolling cold-forging forming machine and feeding equipment thereof |
| 12/30/1998 | EP0887128A2 Method for manufacturing vacuum chamber |
| 12/29/1998 | US5852873 Method of manufacture of a rotationally symmetrical part |
| 12/23/1998 | EP0885979A1 Process for making an article from an oxide dispersion strengthened alloy |
| 12/17/1998 | DE19806131A1 Apparatus on forming machines to produce finished components requiring no machining |
| 12/17/1998 | DE19725300A1 Tool set for hot sizing and piercing of workpieces |
| 12/16/1998 | EP0883779A1 Method and apparatus for containing and suppressing explosive detonations |
| 12/15/1998 | US5848545 Extruded material for expansion working and method of expansion working |
| 12/10/1998 | DE19830817A1 Internal toothing flow-turning process for workpieces |
| 12/08/1998 | US5846184 Swaging of a sheath to a fiber |
| 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 |
| 12/02/1998 | CN2298885Y Axial mold closing rolling mill |
| 12/01/1998 | US5842580 Method of producing socket plate for wobble plate compressors |
| 12/01/1998 | US5842267 Method and apparatus for forming parts of a predetermined shape from a continuous stock material |
| 11/11/1998 | EP0876865A2 Cylindrical metal part with grooves for lubrication or removal of gas and process for the manufacture of the part |
| 11/05/1998 | DE19818286A1 Intermediate, semi-finished material for double standard strip |
| 11/03/1998 | US5829977 Two-piece dental abutment |
| 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 | WO1998042460A3 Producing a metal article by casting and forging |
| 10/28/1998 | CN1196984A Intermediate material for producing dual gauge strip and method for producing the same and method for producing dual gauge strip |
| 10/22/1998 | WO1998046943A1 Method and apparatus for containing and suppressing explosive detonations |
| 10/14/1998 | CN1195589A Method for precision hot-forging mine drill bit |
| 10/14/1998 | CN1195588A New technology for forging horizontal V-shaped conical anvil |
| 10/13/1998 | US5820706 Process for manufacturing a forging |
| 10/06/1998 | US5816090 Method for pneumatic isostatic processing of a workpiece |
| 10/06/1998 | US5815922 Method and apparatus for forging helical ring gear |
| 10/01/1998 | WO1998042460A2 Producing a metal article by casting and forging |
| 09/29/1998 | US5813272 Apparatus for full enclosed die forging |
| 09/22/1998 | CA2100232C Entrance contour design to streamline metal flow in a forging die |
| 09/01/1998 | US5799528 Manually operated tool for upsetting a steel reinforcement bar |
| 08/26/1998 | CN1191164A Mould core device capable of simple taking out mandrel for cold forging and use method thereof |
| 08/19/1998 | CN1190608A Closed forging technology and rotary step type forging press |
| 08/18/1998 | US5795234 Process for forming bolt |
| 08/06/1998 | WO1998033610A1 Semi-solid metal forming process |
| 08/01/1998 | CA2196479A1 Semi-solid metal casting process |
| 07/07/1998 | US5776268 Process for manufacturing surgical needles |
| 07/07/1998 | US5776001 Thread formation |
| 07/01/1998 | EP0850711A1 Process and machine for forging rod-shaped article having deformed portion at an end thereof |
| 06/23/1998 | US5769147 Method for producing metallic ingot for plastic working |
| 06/23/1998 | US5768934 Outer joint part produced as a formed plate metal part |
| 06/10/1998 | EP0846505A2 Closed-die forging process and rotationally incremental forging press |
| 06/09/1998 | US5764051 Cold forged toothed ring for producing rotational speed signals |
| 06/02/1998 | US5758536 Device and method for cold forging double cylindrical pulley |
| 05/22/1998 | WO1998020994A1 Hot forging device for bevel gear |
| 05/20/1998 | DE19750184A1 Plastics cold forming method for manufacture of inner profiles in axially symmetrical hollow mould |
| 05/07/1998 | DE19746235A1 Poppet valve manufacturing method for vehicle engine |
| 04/29/1998 | EP0837658A1 Anti-rotational connecting mechanism |
| 04/28/1998 | US5743301 Metal pipe having upset ends |
| 04/21/1998 | US5740688 Pressure-assisted formation of shaped articles |
| 04/14/1998 | US5737959 Method of plastic forming of materials |
| 04/08/1998 | CN2277839Y Roll ball head type swing-head for swing roller compaction machine |
| 04/08/1998 | CN2277838Y Non-swing type roller compaction machine |
| 04/08/1998 | CN1178142A Method for moulding three dimension hollow workpieces without rags by cold forging |
| 04/01/1998 | EP0610510B1 Method of radial forging of blank |
| 03/26/1998 | DE19638806A1 Kalibriermaschine für Federaugen Calibrating for spring eye |
| 03/25/1998 | CN1177312A Spade-type boring bit and associated method and apparatus for forming metallic parts |
| 03/19/1998 | DE19739515A1 Forging device for ring gear |
| 03/19/1998 | CA2215784A1 A load-bearing shaped part and a method for manufacturing shaped parts |
| 03/12/1998 | WO1998009749A1 Method of fabricating shaft from metal plate |
| 03/10/1998 | US5725375 Anti-rotational connecting mechanism |
| 03/05/1998 | DE19737629A1 Process for shaping axially ductile bolts by forging |
| 03/03/1998 | US5722138 Apparatus for manufacturing toothed gears |
| 02/19/1998 | WO1997048831A3 Method for processing billets from multiphase alloys and the article |
| 02/17/1998 | US5718774 Method of producing bevel gear |
| 02/05/1998 | DE19736946A1 Method for forming workpiece of pressure rolling machine |
| 02/03/1998 | US5713130 Partially thick-walled elongated metallic member and methods of making and connecting the same |
| 01/29/1998 | WO1998003689A1 Tool for coldforming operations |
| 01/20/1998 | US5709121 Method and apparatus for hydraulically upsetting a steel reinforcement bar |
| 01/13/1998 | US5706697 Process of and apparatus for ironing work for bolt and the same work for bolt |
| 01/07/1998 | EP0816042A1 A process for manufacturing alloy castings |
| 01/02/1998 | DE19719578A1 Prefabricated concrete reinforcing rod manufacturing method |
| 12/31/1997 | CN1168825A Process for mfg. connecting rod rough forging |
| 12/24/1997 | WO1997048831A2 Method for processing billets from multiphase alloys and the article |
| 12/24/1997 | WO1997048509A1 Method for producing axially symmetric parts and the article |
| 12/24/1997 | CN1168304A Extruding and forging press for producing raised decoration unit in figured metal pipe |
| 12/24/1997 | CN1168303A Back extrusion process for forming manifold port |
| 12/23/1997 | US5701576 Processing waste metal article to produce chips, compacting and vacuum deaerating, extruding, carrying a diffusion treatment to produce self-diffusion of metallic atoms, plastically working |
| 12/23/1997 | US5700113 Method of drilling a hole in a workpiece |
| 12/23/1997 | US5699689 Method of and apparatus for forming a disc-shaped blank |
| 12/18/1997 | WO1997047421A1 Method and apparatus for machining continuous stock |
| 12/17/1997 | CA2208497A1 Swaging of a sheath to a fiber |
| 12/16/1997 | US5697738 Spade-type boring bit having chamfered corner portions |
| 12/11/1997 | DE19622586A1 Forging die to make workpieces |
| 12/10/1997 | EP0811444A1 Method of wall-thickening metal pipes |
| 11/27/1997 | DE19620325A1 Method of precision working or machining of parts esp. for forged connecting rods in internal combustion engines |