Patents for B21J 9 - Forging presses (2,855)
06/1995
06/22/1995DE4444497A1 Forging machine
06/22/1995DE4444495A1 Installation for stretch forging of ingots
06/22/1995DE4444493A1 Forging machine
05/1995
05/24/1995EP0549771B1 Wobble press
05/23/1995US5417098 Hydraulic feed drive for flying upsetting presses
05/10/1995EP0652061A1 Rotary forging apparatus
04/1995
04/20/1995DE4342974C1 Driving and guiding unit for rams of forging machines or forging presses
04/19/1995EP0648953A1 Improvements to metallic torsionbars
03/1995
03/21/1995US5398536 Wobble press
03/01/1995CN1027742C Plate slab upsetting press for hot wide band rolling mill
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
02/16/1995DE4326924A1 Method for operating a drop-forging press
02/08/1995CN1098343A Main driving equipment of preforging machine
02/07/1995US5386620 Punching and shaping machine tool with cam gear
01/1995
01/12/1995DE4322318A1 Press device
01/10/1995US5379628 Drive for shifting the stroke position of forming machines
01/05/1995DE4319899A1 Toggle press and method of controlling the plunger movement
12/1994
12/28/1994EP0630303A1 A method and an apparatus for ejecting an elongate blank from a die.
12/28/1994EP0630302A1 A method and an apparatus for making screws, rivets or similar objects.
12/28/1994EP0630301A1 A method and an apparatus for making an elongate object.
12/28/1994EP0630300A1 A method and an apparatus for making a head on an elongate blank.
12/21/1994EP0629455A1 Main drive for upsetting press
11/1994
11/15/1994US5363686 Progressive former
11/09/1994EP0623064A1 Apparatus and method for deforming a workpiece
11/02/1994EP0621984A1 Manufacture of elongate superconductors
10/1994
10/20/1994DE4411775A1 Eccentric press
10/19/1994CN1093621A Hydraulic apparatus for driving of supplying system of rapid pre-forging machine
10/12/1994CN1093318A Quick depressurisation high power screw press
09/1994
09/29/1994WO1994021370A1 High-pressure press
09/22/1994DE4409029A1 Hydraulic press
09/21/1994EP0616148A1 Stroke adjusting device for an eccentric drive, especially for an eccentric driven press
08/1994
08/31/1994EP0612572A1 Method of making a mandrel comprising a drill section
08/31/1994CN1091545A Manufacture of elongate superconductors
08/20/1994CA2089904A1 Method of making a mandrel comprising a drill section for a self-drilling bling rivet
08/09/1994US5335532 Body maker apparatus
08/04/1994DE4303017A1 Toggle lever press with ram coupled to press plate
07/1994
07/28/1994DE4401674A1 Hot-forging perforation system
07/26/1994US5331833 Method of operating an upsetting press
07/21/1994WO1994015735A1 Improvements in rotary forging
06/1994
06/21/1994US5321969 Stamping and forming machine having adjustable stroke rams
05/1994
05/31/1994US5315926 High efficiency, swash plate mechanical press
05/18/1994EP0597468A1 Hydraulic feeding drive for flying upsetting presses
05/18/1994CN2164932Y Contactless controller for electric screw press
05/04/1994EP0594654A1 Machine tool with curved drive, especially for stamping and shaping the connecting pins of integrated circuits.
05/04/1994EP0594652A1 Machine tool with curved drive, especially for stamping and shaping the connecting pins of integrated circuits.
04/1994
04/12/1994US5301414 Process for shaping a reinforcement on the extremities of the internal casing of an elastic joint, after molding, and its applications
04/05/1994US5299443 Slide adjusting device for use in forging press
04/05/1994US5299441 Method of making a mandrel comprising a drill section for a self-drilling blind rivet
03/1994
03/31/1994DE4232728A1 Forming machine - with two pumps working parallel to set the stroke frequency and stroke length of the machine
03/16/1994EP0586725A1 Noise reducing structure of slide-cam die
03/01/1994US5289908 Cutting/bending machine
01/1994
01/26/1994CN2154137Y Multi-position automatic press forging machine
12/1993
12/28/1993US5272896 Forging method and system
12/23/1993WO1993025331A1 Improved body maker apparatus
12/23/1993WO1993025330A1 Automatic forming machine
12/22/1993EP0575223A1 Sequential pivot pin force multiplier
12/21/1993US5271262 Apparatus for forging a large caliber ring
12/16/1993DE4218955A1 Automatic eccentric hot-forging press - is for indexing workpieces and has irregular drive mechanism for eccentric shaft
11/1993
11/24/1993EP0571231A1 Ventilated combined clutch and brake units particularly for presses
11/24/1993CN1022808C Quick upsetting press
11/23/1993US5263356 Forging machine
11/23/1993US5263238 Method of forming a stem and assembling a snap ring in a groove in the stem
10/1993
10/28/1993DE4213774A1 Heating of the anvil of a forging press - with thermal effects on ray guideways compensated by heaters on the outer sides on anvil arms
10/27/1993EP0566938A1 Process and bending machine for producing a bended wire or tube part with an upsetted zone
10/23/1993CA2094682A1 Method and bending machine for making a piece of bent wire or tube including an upset part
10/12/1993US5251502 Mechanical force enhancer
10/12/1993CA2065435C Billet pre-piercer apparatus and method
10/07/1993DE4210504A1 Method for drive control for hydraulic press - blocks pressure medium flow to retraction cylinders after working stroke, to prevent return stroke
09/1993
09/16/1993WO1993017814A1 Process and device for producing cross-head screwing tools or the like, especially in the form of bits
09/16/1993WO1993017813A1 A method and an apparatus for making screws, rivets or similar objects
09/16/1993WO1993017812A1 A method and an apparatus for ejecting an elongate blank from a die
09/16/1993WO1993017811A1 A machine for forming objects
09/16/1993WO1993017810A1 A method and an apparatus for making screws, rivets or similar objects
09/16/1993WO1993017809A1 A method and an apparatus for making an elongate object
09/16/1993WO1993017808A1 A method and an apparatus for making a head on an elongate blank
09/16/1993DE4207964A1 Cold forming process and equipment esp. for screw driver bits of cross slot form - with hexagonal head formed at one end of round bar blank and cross-slot profile formed at other end with concentric closing pile
09/16/1993DE4207963A1 Screwing tool bits mfr. - in which workpiece is subjected to axial spring forces during the forming operation
09/10/1993CA2062484A1 Fastening sheet metal
09/02/1993DE4303873A1 Forging press with double toggle linkage - which is actuated by bushes with internal screw threads mounted on rotating shaft.
08/1993
08/19/1993DE4204213A1 Production of balls by upsetting lengths of wire - involves tools which use compressed air to withdraw tool at end of working stroke
08/05/1993WO1993014895A1 Apparatus and method for deforming a workpiece
08/05/1993CA2128627A1 Apparatus and method for deforming a workpiece
08/03/1993US5231907 Noise reducing structure of slide-cam die
07/1993
07/22/1993WO1993014526A1 Manufacture of elongate superconductors
07/13/1993US5226307 Slab upsetting press for hot-rolled wide strip rolling mills
07/07/1993EP0549793A1 Method of plastic forming
07/07/1993EP0549771A1 Wobble press.
06/1993
06/09/1993EP0545240A1 Clamping device for clinch joining
06/02/1993CN2134900Y Straight-line swinging roller
04/1993
04/27/1993US5205148 Upsetting press for reducing the width of slabs in hot-rolled wide strip breaking-down trains
04/01/1993DE4132220A1 Hydraulically actuated forging press - has a workpiece manipulator which is synchronised with movement of press ram
03/1993
03/23/1993US5195351 Arrangement for clamping and balancing pressing tool carriers and crank housing of an upsetting press
03/23/1993US5195349 Forming machine and process for forming material therewith
02/1993
02/04/1993WO1993002540A1 Machine tool with curved drive, especially for stamping and shaping the connecting pins of integrated circuits
02/04/1993WO1993002539A1 Machine tool with curved drive, especially for stamping and shaping the connecting pins of integrated circuits
02/04/1993WO1993001906A1 Wobble press
01/1993
01/27/1993EP0524844A1 Process for building an extra thickness at the ends of the inner tube of a flexible bearing, after molding and its applications
01/27/1993EP0524815A1 Apparatus for forging a large caliber ring
01/21/1993DE4123512A1 Werkzeugmaschine mit kurvengetriebe, insbesondere zum stanzen und formen der anschlussbeinchen von integrierten schaltkreisen Machine tool with winding gear, especially to the punch and shaping the lead of integrated switching circuits
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