Patents for B21J 9 - Forging presses (2,855)
03/1997
03/11/1997US5609056 Swaging machine
02/1997
02/20/1997CA2229052A1 Continuous duty press monitoring system
02/18/1997US5603882 Piercing method and apparatus
02/12/1997CN1142792A Apparatus for manufacturing steering rack bars
02/12/1997CN1142791A Stepped, segmented, closed-die forging
02/11/1997US5600995 Useful improvements in press apparatus
02/06/1997DE4390874C1 Cold forming process and equipment esp. for screw driver bits of cross slot form
02/05/1997EP0738191A4 Apparatus for manufacturing steering rack bars
01/1997
01/29/1997EP0755323A1 Press for the cold working of metal workpieces
01/29/1997EP0644805B1 Automatic forming machine
01/22/1997EP0754513A2 Heading slide guiding system
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
01/16/1997WO1997001404A2 A machine for performing high speed stamping and forming operations
01/15/1997EP0753364A1 Multi-stage press for forms
01/14/1997US5592847 Stepped segmented, closed-die forging
01/14/1997US5592726 For swaging a fitting to a tube
01/08/1997EP0751842A1 Double press
01/08/1997CN2244442Y One-station two-forging press for ring parts
12/1996
12/25/1996CN1138504A Block forging appts.
12/10/1996US5582060 Forging machine
12/10/1996US5582059 Forging machine
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
11/1996
11/19/1996US5575186 Machine tool stroke control system
11/13/1996CN1135387A Straight-flange forging press
10/1996
10/30/1996EP0630301B1 A method and an apparatus for making an elongate object
10/30/1996CN2238688Y Handpiece of electric heating forging press
10/30/1996CN1033146C Method for operating press edger
10/24/1996WO1996033031A1 Method for joining metal parts by roll forming for manufacturing of for instance a cooking vessel
10/24/1996WO1996033030A1 Process and apparatus for the manufacture of a cooking vessel by roll forming
10/24/1996CA2221585A1 Method for joining metal parts by roll forming for manufacturing of for instance a cooking vessel
10/24/1996CA2221583A1 Process and apparatus for the manufacture of a cooking vessel by roll forming
10/23/1996EP0738191A1 Apparatus for manufacturing steering rack bars
10/23/1996EP0630303B1 A method and an apparatus for ejecting an elongate blank from a die
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
10/16/1996CN1133213A Rotary forging apparatus
10/10/1996WO1996031319A1 Method and apparatus for carrying out an operation on a mechanical workpiece
10/02/1996EP0734294A1 Stepped, segmented, closed-die forging
09/1996
09/18/1996EP0732192A2 Eccenter driven press, in particular for multi-stage cold extrusion
09/03/1996US5551276 Upsetting press main drive
08/1996
08/28/1996EP0728573A1 Press, in particular for forging
08/20/1996US5547424 Method and an apparatus for making an elongate object
08/20/1996US5546785 Crank mechanism for can body maker apparatus
08/06/1996US5542276 Method and an apparatus for ejecting an elongate blank from a die
07/1996
07/11/1996WO1996020807A1 Axial swage tool having a stabilizing pin
07/11/1996WO1996020803A1 A spade-type boring bit and an associated method and apparatus for forming metallic parts
07/04/1996WO1996020053A1 Double press
07/04/1996DE4446580A1 Doppelpresse Double Press
07/02/1996US5531088 For making a product from a workpiece of plastic metal material
06/1996
06/11/1996US5524471 Apparatus for making screws, rivets or similar objects
05/1996
05/28/1996US5520376 Pre-twisted metal torsion bar and method of making same
05/14/1996US5515705 Apparatus and method for deforming a workpiece
04/1996
04/24/1996CN2225319Y Mechanic-hydraulic press
04/18/1996DE19537541A1 Forging machine for forming metal parts
04/17/1996CN1031556C Punch pressing mechanism of forging machinery
04/16/1996US5507164 Programmed forging system with graphic interface
03/1996
03/21/1996DE4433297A1 Spindle press
03/21/1996DE19524042A1 Drive for hydraulic presses with high stroke rate
01/1996
01/24/1996EP0594654B1 Machine tool with curved drive, especially for stamping and shaping the connecting pins of integrated circuits
01/17/1996EP0692327A1 Drive for hydraulic presses with high number of cycles
01/11/1996DE4423689A1 High pressure installation for forming component from metal blanks without heating
01/10/1996EP0690746A1 High-pressure press
01/10/1996CN1114610A Platen press for the die-cutting station of a machine that processes plate-like workpieces
01/09/1996US5481898 Tooling module for a stamping and forming machine
12/1995
12/06/1995EP0493535B1 Billet pre-piercer apparatus and method
11/1995
11/29/1995CN1112465A Rotary forging apparatus
11/23/1995DE4416472A1 Electro-upsetting machine for die upsetting
11/23/1995DE4416471A1 Electro-upsetting machine with a die bush
11/22/1995CN1112038A Swaging machine
11/21/1995US5467707 Revolving cam-type press
11/15/1995EP0681892A1 Platen press for a cutting station in a machine for treating plates
11/08/1995EP0680794A1 Method of shaping a wheel
11/08/1995EP0594652B1 Machine tool with curved drive, especially for stamping and shaping the connecting pins of integrated circuits
11/07/1995US5463892 Hydraulic press
10/1995
10/19/1995WO1995027615A1 Press for the cold working of metal workpieces
10/12/1995DE4412224A1 Presse für eine Kaltverformung von Metallwerkstücken Press for cold forming of metal workpieces
10/04/1995CN1109392A Rotary forging apparatus
10/03/1995US5454262 Process and apparatus for operating a press unit
10/03/1995US5454248 Method of shaping a wheel
09/1995
09/27/1995EP0673694A1 Method of forming metallic bodies with high pressures applied by a pressure transmitting medium, application of the method and device therefor
09/20/1995EP0672484A1 Rotary forging apparatus
09/20/1995EP0672483A1 Rotary forging apparatus
09/20/1995EP0672475A1 Partially thick-walled elongated metallic member and methods of making and connecting the same
09/17/1995CA2144215A1 Rotary forging apparatus
09/17/1995CA2135340A1 Rotary forging apparatus
09/13/1995CN1108162A Rotary forging apparatus
09/05/1995US5447050 Hydraulic forming machine
08/1995
08/16/1995EP0667197A1 Forging machine
08/16/1995CN2205264Y Electric synchronous control system for multiple machine interacting bending machine
08/10/1995WO1995021348A1 Connector device for one end of a rigid metal tube for transporting a fluid
08/09/1995EP0666445A1 Connection device for a rigid metallic fluid conducting pipe end
08/03/1995DE4402440A1 Tool with planetary gear
07/1995
07/05/1995EP0661120A1 Driving and guiding unit for rams of forging presses or machines
07/04/1995US5428982 Machine tool with cam gear, in particular for punching and shaping the lead-outs of integrated circuits
06/1995
06/28/1995CN1029091C Device for exchanging pressing tool of upsetting press
06/22/1995WO1995016529A1 Apparatus for manufacturing steering rack bars
06/22/1995WO1995016528A1 Stepped, segmented, closed-die forging
06/22/1995DE4444498A1 Forging machine
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