Patents for B21J 1 - Preparing metal stock (1,586)
03/1995
03/01/1995CN1027741C Upsetting press for reducing width of plate slab in hot wide band roughing train
03/01/1995CN1027740C Device for guying and compensating tool support and crankcase of upsetting press
02/1995
02/16/1995WO1995004615A1 Zone heating apparatus
02/08/1995CN1098343A Main driving equipment of preforging machine
01/1995
01/11/1995EP0633078A1 Method of fabricating a hollow steel body with an inner- and/or outer profiling
12/1994
12/21/1994EP0629455A1 Main drive for upsetting press
12/20/1994US5374323 Nickel base alloy forged parts
12/14/1994EP0628360A1 Sizing press, method of changing die thereof, die change system and method of measuring distance in die
12/07/1994EP0610510A4 Method of radial forging of blank.
12/07/1994EP0610509A4 Method for obtaining hollow forgings by radial forging of continuous blanks.
12/07/1994CN1026866C Side rolling mill which narrowing rolled material
11/1994
11/09/1994EP0623064A1 Apparatus and method for deforming a workpiece
11/01/1994US5360496 Nickel base alloy forged parts
10/1994
10/13/1994DE4412031A1 Method for manufacturing forgings made of nickel alloys
09/1994
09/27/1994US5349842 For use in an upsetting press for width reduction of slabs
08/1994
08/17/1994EP0610510A1 Method of radial forging of blank
08/17/1994EP0610509A1 Method for obtaining hollow forgings by radial forging of continuous blanks
06/1994
06/09/1994DE4241004A1 Stretch roller unit used in drop forging - has automatic clamping and release action on tool packet for rapid and automatic tool exchange
05/1994
05/24/1994US5313815 Apparatus and method for producing shaped metal parts using continuous heating
05/24/1994US5313813 Upsetting press for reducing the width of rollng stock with internally cooled retaining rolls and driver rolls
05/19/1994DE4323167C1 Producing steel hollow bodies by rolling - combined with austenitic heat treatment
04/1994
04/13/1994EP0591151A1 A steel bar and billet heating system located upstream of shears for further processing.
03/1994
03/30/1994EP0589530A1 Method of producing a rivated joint
03/23/1994EP0588128A1 Process of hot forging at ultrahigh temperature
02/1994
02/22/1994US5287719 Method of forming semi-solidified metal composition
02/09/1994EP0582436A1 Apparatus for cleaning strips before press forming, having de-oiling rolls and tacky rolls to remove oil and foreign matters
12/1993
12/28/1993US5272896 Forging method and system
12/09/1993WO1993024256A1 Method for obtaining hollow forgings by radial forging of continuous blanks
12/09/1993WO1993024255A1 Method of radial forging of blank
11/1993
11/24/1993CN1022808C Quick upsetting press
11/02/1993US5257522 Process of hot forging at ultrahigh temperature
09/1993
09/29/1993EP0561935A1 Width reduction of metal slab
08/1993
08/05/1993WO1993014895A1 Apparatus and method for deforming a workpiece
08/05/1993CA2128627A1 Apparatus and method for deforming a workpiece
07/1993
07/13/1993US5226307 Slab upsetting press for hot-rolled wide strip rolling mills
04/1993
04/27/1993US5205148 Upsetting press for reducing the width of slabs in hot-rolled wide strip breaking-down trains
03/1993
03/23/1993US5195351 Arrangement for clamping and balancing pressing tool carriers and crank housing of an upsetting press
03/10/1993EP0531002A1 Method of forming semi-solidified metal composition
02/1993
02/23/1993CA2076462A1 Method of forming semi-solidified metal composition
01/1993
01/13/1993EP0522501A1 Process of hot forging at ultrahigh temperature
12/1992
12/16/1992CN1066995A Fafrication of pressure vessels
12/08/1992US5168739 Upsetting press for reducing the width of rolling stock
10/1992
10/21/1992EP0509700A1 Fabrication of pressure vessels
10/20/1992CA2065538A1 Fabrication of pressure vessels
07/1992
07/22/1992CN1062859A Device for cooling pressing tool of upsetting press and method for operating this device
07/01/1992EP0492227A1 Device for cooling the pressing tools of a pressing machine and methods for its operation
06/1992
06/25/1992WO1992010318A1 Width reduction of metal slab
05/1992
05/20/1992CN1061171A Plate slab upsetting press for hot wide band rolling mill
05/20/1992CN1061170A Upsetting press for reducing width of plate slab in hot wide band roughing train
05/20/1992CN1061169A Device for guying and compensating pressing tool support and crankcase of upsetting press
05/13/1992EP0484783A2 Device for bracing and balancing the press tool holder and crankcase in an upsetting press
05/13/1992EP0484782A2 Upsetting press for reducing the width of slabs in hot wide strip roughing trains
05/13/1992EP0484781A2 Slab upsetting press for hot wide strip rolling mills
05/12/1992US5111570 Metal alloy substrate
04/1992
04/21/1992CA1298995C Method for producing a family of forged ring rolling preforms and forging die therefor
03/1992
03/03/1992CA1296551C Press apparatus for reducing widths of hot slabs and slab widths reducing method using the apparatus
02/1992
02/19/1992CN1058735A Upsetting press for reducing width of rolling stock
02/19/1992CN1058734A Upsetting press for reducing width of rolling stock
02/12/1992EP0470868A1 Forge joining repair technique
02/12/1992EP0470436A2 Pressure roll for holding slabs down in an upsetting press
02/12/1992EP0470435A2 Upsetting press for reducing the width of rolling stock
01/1992
01/07/1992US5077999 Flying upsetting press
09/1991
09/25/1991EP0447839A1 Method to forge with a swaging machine, and a swaging machine suitable to carry out the method
09/12/1991DE4007407A1 Ingot or billet upsetting press
09/11/1991EP0445898A2 Slab upsetting press with movable frame
09/10/1991US5046344 Apparatus for sizing a workpiece
07/1991
07/02/1991US5028798 Method and apparatus for determining the geometry of a body
06/1991
06/13/1991WO1991008089A1 A steel bar and billet heating system located upstream of shears for further processing
06/11/1991US5022931 Injecting inert gas into hole, fastening a cap, heating
05/1991
05/28/1991CA1284450C Nickel base superalloy articles and method for making
05/15/1991EP0426935A2 Process for hot working article defining hole at the center thereof
03/1991
03/06/1991CN1011866B Active compacting forging method
12/1990
12/12/1990CN1047636A Quick upsetting press
12/05/1990EP0400385A2 Flying upsetting press
10/1990
10/30/1990US4966025 Horizontally opposed-die type edging press
09/1990
09/26/1990CN1009741B Nickel base superalloy articles and method for making
07/1990
07/12/1990DE3900668A1 Press for laterally upsetting workpieces, in particular slab-upsetting press
06/1990
06/14/1990WO1990006194A1 Device for cyclic deformation of continuous strip
05/1990
05/10/1990DE3837643A1 Upsetting press for the step wise changing of the cross-section of metal bodies in strand form, e.g. slabs
05/09/1990EP0367485A2 Edging press with horizontally opposed dies
05/09/1990EP0367358A2 Method of making semi-finished products
04/1990
04/25/1990EP0364907A2 Process and device to determine the geometry of an object
04/19/1990DE3934236A1 Measuring geometry of body in forging process - continuously sensing surface of rotating body and converting data with constant vol. program for use in process control
04/18/1990CA2000847A1 Method and apparatus for determining the geometry of a body
03/1990
03/08/1990WO1990002006A1 Method and instrument for making blanks from slab
02/1990
02/13/1990US4899570 Apparatus and method of rotary forging with induction heating
02/08/1990WO1990000949A1 Method and instrument for making blanks from a slab
02/07/1990EP0353788A2 Press apparatus for reducing widths of hot slabs and slab widths reducing method using the apparatus
11/1989
11/30/1989WO1989011347A1 Device for cyclic deformation of continuous strip
10/1989
10/18/1989CN1036348A Active compacting forging method
09/1989
09/19/1989US4867807 Fine grain
09/12/1989US4864706 Fabrication of dual alloy integrally bladed rotors
08/1989
08/01/1989US4852383 Press apparatus for reducing widths of hot slabs
06/1989
06/13/1989US4838062 Process for upset forging of long stands of metal bar stock
04/1989
04/13/1989DE3833355A1 Method for the hot forming of used sleeper bolts and apparatus for carrying out the method
01/1989
01/17/1989US4798077 Method for producing a family of forged ring rolling preforms and forging die therefor
10/1988
10/04/1988CA1242563A1 Sizing molds for continuous casting
09/1988
09/06/1988US4769087 Nickel base superalloy articles and method for making
08/1988
08/17/1988EP0278306A2 Method for producing a family of forged ring rolling preforms and forging die therefor
08/02/1988US4760728 Method for reducing widths of hot slabs
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