Patents for B21J 1 - Preparing metal stock (1,586)
09/2000
09/21/2000WO2000054907A1 Method for forming metal parts by cold deformation
09/20/2000CN1056545C Beading machine
09/14/2000WO2000053349A1 Device and method for manufacturing hot-rolled sheet steel and device and method for sheet thickness pressing used for the device and method
08/2000
08/08/2000US6099669 Method for producing a Fe-Ni alloy sheet and a Fe-Ni alloy shadow mask
07/2000
07/05/2000EP1016733A1 A thermomechanical method for producing superalloys with increased strength and thermal stability
06/2000
06/28/2000EP1013357A1 Full enclosed die forging method, full enclosed die forging apparatus, and product of forging
06/28/2000EP1011897A1 Semi-solid metal forming process
06/15/2000WO2000035249A1 Method and device for heating
06/02/2000WO2000030777A1 Metal mold gap adjuster of plate pressing device
05/2000
05/31/2000CN1254625A Metal mould exchange method and apparatus
05/23/2000CA2179225C Method of and apparatus for forming a disc-shaped blank
04/2000
04/06/2000WO2000018973A1 Method for processing billets out of metals and alloys and the article
03/2000
03/28/2000US6042662 Partially hot-forming by stamping blank having ultrafine grained structure to form shaped component, subjecting to secondary recrystallization heat treatment to develop abnormal grain growth, hot-forming by stamping to final shape
03/09/2000WO2000012245A1 Method for producing a gear rack, and a stamping device for carrying out the method
03/02/2000DE19839428A1 Verfahren zur Herstellung einer Zahnstange und Prägevorrichtung zum Durchführen des Verfahrens A method of manufacturing a rack and embossing apparatus for carrying out the method
02/2000
02/09/2000CN1244144A Apparatus and method for changing metal molds for plate thickness reducing presses, and press metal die
12/1999
12/22/1999CN1239446A Plate thickness pressing device and method
11/1999
11/16/1999US5983481 Method of making forged steel bar
11/10/1999EP0955104A1 Apparatus and method for changing metal molds for plate thickness reducing presses, and press metal die
11/04/1999WO1999055475A1 Method for hot pressing workpieces
09/1999
09/22/1999EP0943694A1 A method for the manufacture of components made of steel
09/22/1999EP0943376A1 Plate thickness pressing device and method
09/22/1999CN1229013A Method for manufacture of components made of steel
09/07/1999US5948523 Tool for coldforming operations
08/1999
08/11/1999CN1225689A Tool for coldforming operations
06/1999
06/03/1999WO1999026737A1 Apparatus and method for changing metal molds for plate thickness reducing presses, and press metal die
06/02/1999CN2321558Y Support piece workblank
05/1999
05/12/1999EP0914487A1 Tool for coldforming operations
05/06/1999EP0913214A2 Slab sizing press
05/06/1999EP0912270A1 Method for producing axially symmetric parts and the article
05/04/1999US5900081 Computerized method for forging, quenching and tempering metal
05/04/1999CA2160842C Hot plastic working method
04/1999
04/21/1999EP0909339A2 Method for processing billets from multiphase alloys and the article
04/01/1999DE19837632A1 Sizing press for controlling width of slab for hot rolling, in continuous casting machine
03/1999
03/25/1999WO1999013998A1 Plate thickness pressing device and method
02/1999
02/24/1999CN1208674A Sizing press
02/18/1999WO1999007497A1 Full enclosed die forging method, full enclosed die forging apparatus, and product of forging
01/1999
01/19/1999US5860313 Method of manufacturing press-formed product
12/1998
12/23/1998EP0885979A1 Process for making an article from an oxide dispersion strengthened alloy
09/1998
09/22/1998US5809818 High-pressure piping metal tube and process for manufacturing the same
09/10/1998DE19756581A1 Method for heating and cooling of non-quenched and tempered steel
09/09/1998CN1192476A Method for heating and cooling non-quenched and tempered steel and apparatus for the same
08/1998
08/19/1998CN1039524C Device for forming seal ends symultaneously at two ends of working piece
08/06/1998WO1998033610A1 Semi-solid metal forming process
07/1998
07/22/1998EP0623064B1 Apparatus and method for deforming a workpiece
07/01/1998EP0850701A1 Method and installation for producing bars with a refined and/or compressed structure by roll forging
06/1998
06/04/1998DE19648708A1 Controlled cooling method for hot-forming tool in hot-forming presses
04/1998
04/29/1998CN1180111A Method for producing Fe-Ni alloy sheet and Fe-Ni alloy shadow mask
04/07/1998US5735164 Upsetting tool of a pair of upsetting tools for the deformation of continuously cast slabs in a slab upsetting press
04/07/1998US5735163 Press working method including step of strengthening local portion of blank
04/01/1998EP0610510B1 Method of radial forging of blank
03/1998
03/31/1998US5732590 Supporting frame of a slab upsetting press
03/10/1998US5724847 Integrated wire feed and draw apparatus
03/03/1998US5722165 Method of producing a cast wheel
03/03/1998US5722138 Apparatus for manufacturing toothed gears
02/1998
02/19/1998WO1997048831A3 Method for processing billets from multiphase alloys and the article
01/1998
01/29/1998WO1998003689A1 Tool for coldforming operations
12/1997
12/24/1997WO1997048831A2 Method for processing billets from multiphase alloys and the article
12/24/1997WO1997048509A1 Method for producing axially symmetric parts and the article
12/23/1997US5699689 Method of and apparatus for forming a disc-shaped blank
12/04/1997DE19722287A1 Integrated wire feed and drawing mechanism
11/1997
11/12/1997EP0671982B1 Zone heating apparatus
10/1997
10/08/1997CN1161255A Structure of supporting frame of machine for pressing edges of plate blank
10/07/1997CA2101573C Apparatus for cleaning strips before press forming, having de-oiling rolls and tacky rolls to remove oil and foreign matters
09/1997
09/30/1997US5671631 Hot plastic working method
09/30/1997US5671533 Manufacture of forged components
08/1997
08/14/1997DE19604596A1 Swage tool for continuously cast plate slabs in slab upsetting press
07/1997
07/02/1997EP0781612A1 Electrode in an electric gathering apparatus
06/1997
06/18/1997CN1151918A Die-centering die for deforming continuous casting blank in plate slab edge-pressing machine
04/1997
04/23/1997CN1034634C Upsetting press for reducing width of rolling stock
04/16/1997CN1034558C Device for cooling pressing tool of upsetting press and method for operating this device
03/1997
03/26/1997EP0764483A1 Frame construction of slab upsetting presses
03/20/1997WO1997010065A1 Apparatus for preparing a preform slug to be used in a manufacturing operation
02/1997
02/11/1997US5600986 Sizing press and die system
01/1997
01/23/1997DE19526279A1 Swage tool for continuously cast plate slabs in slab upsetting press
01/22/1997EP0754512A1 Tool of an upsetting tool pair for the forming of continuously cast slabs in a slab upsetting press
01/20/1997CA2181318A1 Upsetting tool of a pair of upsetting tools for the deformation of continuously cast slabs in a slab upsetting press
01/08/1997CN1139600A All fibre forging method and die for water-cooling head of punching machine
01/02/1997DE19625893A1 Disc-shaped blank making process
11/1996
11/12/1996US5572897 Method of obtaining hollow forgings by radial forging of solid blanks
10/1996
10/23/1996EP0610509B1 Method for obtaining hollow forgings by radial forging of continuous blanks
10/08/1996US5562785 Method for manufacturing toothed gears
09/1996
09/03/1996US5551276 Upsetting press main drive
08/1996
08/06/1996US5542278 Method of radial forging
06/1996
06/19/1996EP0717124A1 Hot plastic working method
06/04/1996US5522247 Method and apparatus for manufacturing a corrugated tube
05/1996
05/14/1996US5515705 Apparatus and method for deforming a workpiece
04/1996
04/03/1996EP0704263A2 Manufacture of forged components
03/1996
03/13/1996EP0700735A2 Press working method including step of strengthening local portion of blank
01/1996
01/07/1996CA2153290A1 Manufacture of forged components
11/1995
11/07/1995US5464474 Apparatus for cleaning strips before press forming, having de-oiling rolls and tacky rolls to remove oil and foreign matters
09/1995
09/20/1995EP0671982A1 Zone heating apparatus
07/1995
07/25/1995US5435162 Zone heating apparatus
06/1995
06/28/1995EP0591151B1 A steel bar and billet heating apparatus located upstream of shears for further processing
06/22/1995DE4444495A1 Installation for stretch forging of ingots
05/1995
05/16/1995US5415381 Steel bar and billet heating system located upstream of shears for further processing
05/16/1995US5414922 Process for producing a riveted joint by forming a rivet head onto a heated rivet pin using a riveting tool
05/10/1995CN1102363A Sizing rolling machine, method and apparatus of metallic mold thereof, and method for measuring of space between metallic molds
04/1995
04/18/1995US5406824 Heating steel in an nonoxidizing atmosphere at prefered temperature, blowing cooling medium to remove surface oxide film, forging steel in a die
03/1995
03/01/1995CN1027742C Plate slab upsetting press for hot wide band rolling mill
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