Patents for B21J 13 - Details of machines for forging, pressing, or hammering (6,375)
04/1996
04/18/1996DE19537541A1 Forging machine for forming metal parts
03/1996
03/12/1996US5498121 Robot which is capable of receiving impact load
02/1996
02/27/1996US5493888 Precision forming apparatus, method and article
01/1996
01/31/1996EP0694353A2 Improved die tooling for metal working
01/24/1996EP0693006A1 Forming tool
01/03/1996EP0689494A1 Apparatus for detecting fault conditions
11/1995
11/29/1995CN1112465A Rotary forging apparatus
11/22/1995EP0683019A1 Robot which is capable of receiving impact load
11/22/1995EP0683017A1 Robot hand for forging working
11/07/1995US5463892 Hydraulic press
10/1995
10/10/1995US5456100 Knock-out pin for bolt making machine
10/03/1995US5454262 Process and apparatus for operating a press unit
09/1995
09/20/1995EP0672484A1 Rotary forging apparatus
09/20/1995CN2207895Y Clamping locating device of bar header
09/17/1995CA2144215A1 Rotary forging apparatus
09/06/1995EP0670202A1 Forging robot hand
08/1995
08/31/1995DE4405970A1 Spindle driven two armed gripper for cylindrical bodies of different diameters
08/30/1995EP0583381A4 Precision forming apparatus, method and article
08/22/1995US5443549 Terminal crimping machine
08/10/1995DE4403137A1 Clamp for tool insert of forming machine
07/1995
07/05/1995EP0661120A1 Driving and guiding unit for rams of forging presses or machines
06/1995
06/28/1995EP0659501A1 Forging machine
06/28/1995CN1029091C Device for exchanging pressing tool of upsetting press
06/22/1995WO1995016528A1 Stepped, segmented, closed-die forging
06/22/1995DE4444498A1 Forging machine
06/22/1995DE4444497A1 Forging machine
06/22/1995DE4444495A1 Installation for stretch forging of ingots
06/21/1995EP0658385A1 Frame for a radial forging machine
05/1995
05/16/1995US5415022 Modular tooling box with a removable cover for a stamping and forming machine
05/10/1995CN1102363A Sizing rolling machine, method and apparatus of metallic mold thereof, and method for measuring of space between metallic molds
04/1995
04/20/1995DE4342974C1 Driving and guiding unit for rams of forging machines or forging presses
04/18/1995US5406825 Inner cylinder of nickel and molybdenum and boron-containing ceramic phase, outer cylinder of steel; hot working durability
04/13/1995DE4333944A1 Method and apparatus for the production of a wheel, especially a train wheel, which is preferably preformed
03/1995
03/16/1995DE4330674A1 Device for transporting and handling tool parts
03/09/1995DE4330399A1 Force multiplier
03/02/1995WO1995005907A1 Method for positioning a work in a spinning machine and spinning machine for producing light-alloy wheels
03/01/1995CN1027742C Plate slab upsetting press for hot wide band rolling mill
02/1995
02/16/1995WO1995004630A1 Clamping jaw unit
02/16/1995WO1995004618A1 Clamping jaw unit
02/16/1995DE4326924A1 Method for operating a drop-forging press
02/08/1995CN1098343A Main driving equipment of preforging machine
01/1995
01/12/1995DE4322318A1 Press device
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.
12/21/1994EP0629455A1 Main drive for upsetting press
12/14/1994EP0628360A1 Sizing press, method of changing die thereof, die change system and method of measuring distance in die
11/1994
11/30/1994CN1095651A Method for forging full-plastic automotive rear half-shaft and its combined forging mould
11/17/1994EP0624457A1 Shut height adjustment device having replaceable spacers
11/15/1994US5363686 Progressive former
11/10/1994WO1994021421A3 Apparatus for detecting fault conditions
11/08/1994USRE34777 Tool ring, a method of making it, and a holding tool for use in the performance of the method
11/03/1994DE4314104A1 Device for fastening a foot pedal, which initiates an operating stroke, on a punching or pressing machine, in particular a bending press
10/1994
10/20/1994DE4312440A1 Guide of a slide of a press
10/13/1994WO1994022607A1 Forming tool
09/1994
09/29/1994WO1994021421A2 Apparatus for detecting fault conditions
09/29/1994DE4309642A1 Transfer device for workpiece transport
09/29/1994DE4309236A1 Variable-tension rails for locking and unlocking extension/replaceable parts, such as tools, gripper rail sections and the like
09/29/1994CA2156261A1 Apparatus for detecting fault conditions
09/22/1994DE4409029A1 Hydraulic press
09/21/1994CN1025943C Shock-insulating foundation forj flat-die hammer
09/15/1994DE4306396A1 Device for adjusting the clearance between guide strips and tup
09/06/1994US5343730 For processing metallic portions sheared off from a wire
08/1994
08/30/1994US5342161 Holder changer
08/17/1994CN2174277Y Arching free forging hammer
07/1994
07/28/1994DE4401674A1 Hot-forging perforation system
07/26/1994US5331831 Hardware sensor
07/13/1994CN1089193A Method and apparatus for working on mold forging machine
06/1994
06/28/1994US5323634 Shut height adjustment device having replaceable spacers
06/16/1994DE4241955A1 Tool mount for exchangeable tools - is formed from several exchangeable, differently dimensioned components according to tool dimensions and required operating plane
06/07/1994US5317892 Metal forming machine, contactless sensor coupling therefor
05/1994
05/24/1994US5313815 Apparatus and method for producing shaped metal parts using continuous heating
02/1994
02/23/1994EP0583381A1 Precision forming apparatus, method and article
02/17/1994DE4322633A1 Chuck used in forging machine
02/02/1994EP0581483A1 Device for and method of forging a helical gear
01/1994
01/18/1994CA1326172C Power press with improved cushioning system
01/11/1994US5277687 Press tool interchanging apparatus
01/05/1994EP0576878A1 Device to exchange and adjust a die in a press
01/05/1994DE4220796A1 Forging workpiece holder - has a packing to give a hydraulic chamber with variable pressure to give pliable or rigid holding action
12/1993
12/09/1993DE4218752A1 Inertia force compensation arrangement for forming machines - has additional rotary mass under or above bearing for main shaft
12/07/1993US5267463 Automatic transfer apparatus for use in a forging press
11/1993
11/25/1993DE4217121A1 Free piston-cylinder unit using oil and water - has connecting rod with recessed section for control of flow through cylinder wall outlet
11/23/1993US5263356 Forging machine
11/18/1993EP0569819A1 Drive for a punch-sided ejector in a mechanical forming press
11/16/1993US5262706 Multifunctional power driven positioning tool system
11/10/1993EP0432236B1 Improved automatic installation for transferring and forging any metal components
10/1993
10/21/1993DE4301569A1 Workpiece transporting jig changeover system for press - has robot mounted on press and inclined hoist moving box of jigs into path of workpiece and fixing device on end of robot for transporting jigs
10/14/1993DE4225021C1 Tool-clamp for shaping machine - moves wedge in slightly-oblique recess and which bears against tool base
10/05/1993US5249451 Method and arrangement for die forging elongated workpieces by multistation press tool
09/1993
09/29/1993CN1022222C Machining method and apparatus of dies for precise fooge of bevel gears
09/16/1993WO1993017812A1 A method and an apparatus for ejecting an elongate blank from a die
09/16/1993WO1993017810A1 A method and an apparatus for making screws, rivets or similar objects
09/15/1993EP0559991A1 Turning device for cross-transfer presses
08/1993
08/26/1993DE4204891A1 Adjustable ram guideways for drop hammer - have liners held by tension bolts and forced away from machine frame by recessed pistons whose hydraulic space is filled or emptied to adjust play
08/11/1993EP0554351A1 Electronic braking system for power press die change carriers
07/1993
07/22/1993WO1993013893A1 Device for ejecting workpieces from matrices in a forming press
07/13/1993US5226307 Slab upsetting press for hot-rolled wide strip rolling mills
06/1993
06/30/1993EP0353231B1 Process and apparatus for forging one piece track roller rim
06/30/1993CN1073620A Riser-free multi-purpose equipment for casting and forging grinding ball, crankshaft, lining board and gear, etc.
06/24/1993DE4241240A1 Centering device for non-cutting tools - has system of centering units, each with pivoted angle levers, which are non-adjustable
06/23/1993CN2136705Y Clamping type charging and discharging manipulators
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