Patents for B21J 13 - Details of machines for forging, pressing, or hammering (6,375)
06/1993
06/16/1993EP0546287A1 Quick-clamping tool for hot forging presses
06/15/1993US5218855 Manipulator for forging machines, for example multiple-ram forging machines
05/1993
05/27/1993DE4138441A1 Press tool for redn. of slab width - useful in broad-band hot-rolling installations with a replaceable wear element on the tool
05/18/1993CA2023655C Forging punch
05/13/1993DE4136441A1 Coordinate straight line motion linkage for manipulator - has tool on end of pantograph which magnifies movements of straight line linkage driven by two rams
05/11/1993US5209091 Apparatus for setting the shut height of a press
05/04/1993US5207701 Surgical needle-suture combination, and apparatus and method for attaching the same
04/1993
04/27/1993US5205390 Stock separating apparatus
04/13/1993US5201760 Surgical needle-suture combination and apparatus and method for attaching the same
04/01/1993DE4132220A1 Hydraulically actuated forging press - has a workpiece manipulator which is synchronised with movement of press ram
03/1993
03/31/1993EP0414670B1 A tool ring, a method of making it, and a holding tool for use in the performance of the method
03/23/1993US5195355 Apparatus for connecting a pressing die to a support in an upsetting press
03/18/1993DE4207378A1 Forming tool with ring-shaped bottom die - has hydraulically movable servo element to apply external pressure to die for elastic deformation
03/17/1993CN1069916A Die-forming process for ic engine cylinder water jacket and its mould
01/1993
01/13/1993CN1067837A Shock isolation base for free forging hammer
01/12/1993US5177991 Method of and apparatus for coining tapers at opposite ends of a sleeve member
01/05/1993US5176604 Tool replacement for a multi-stage press machine
01/05/1993US5176075 Machines for handling or working materials in laminar or sheet form
01/05/1993US5176023 Die set carrying apparatus and method
12/1992
12/08/1992US5168744 Apparatus for replacing pressing dies in upsetting press
12/08/1992US5168619 Method for attaching surgical suture components
11/1992
11/26/1992WO1992020475A1 Precision forming apparatus, method and article
11/26/1992DE4117185A1 Forging press with movable sliding table - has table carrier with roller conveyor with raisable rollers, and locking devices on table and carrier
11/18/1992CN2122019U Ripper shaping die set
11/03/1992US5160108 Process and tool for producing a barrel for a telescopic universal transmission joint
10/1992
10/15/1992DE4111834A1 Locking device for ram of press - has self-locking bolt and nut driven by motor for both locking and release
10/01/1992DE4125906A1 Automatic tool exchange system for forming press - has tool exchange station with support for tool transportation and tool clamp devices
09/1992
09/23/1992EP0504995A1 Pinch-pointing jaws
09/15/1992CA1307389C Method and apparatus for manufacturing a constant velocity joint and the like
09/02/1992CN1018055B Manipulator equipment for automatic foil-hammering machine
09/01/1992US5143747 Coating with organosilicon compound, doping with inert gas to transform to silicon carbide; wear resistance
08/1992
08/27/1992DE4108407C1 Die holder for forming toothed profile - has die retained in holder by coaxial, exchangeable, intermediate, conically tapering sleeve
08/19/1992EP0499197A2 Improved die tooling for metal working and method for its production
08/19/1992EP0410960B1 Device for the ejection of pressings out of a press tool
08/19/1992CN1063630A Device for fixing die and die bed of upsetting press
08/18/1992US5138866 Progressive former and method of producing same
08/13/1992DE4103510A1 Sound insulation device for hammer block - consists of sound insulation plates fitted to areas on top of hammer which contact bump stops
08/05/1992CN1063247A Driving apparatus for activating workpiece impelling mechanism in nut former
07/1992
07/21/1992US5131131 Method for attaching surgical suture components
07/14/1992US5129139 Device for use in a former for automatically replacing punches
07/01/1992EP0492173A1 Surgical needle and apparatus and method for suture attaching
06/1992
06/25/1992CA2058193A1 Surgical needle and apparatus and method for suture attaching
06/17/1992EP0490763A1 Apparatus for the semi-hot forging of a metal workpiece and method for applying such an apparatus
06/02/1992US5118248 Quick-action coupling for forge and conveyor manipulators
05/1992
05/20/1992CN1061171A Plate slab upsetting press for hot wide band rolling mill
05/19/1992US5113684 Electronic braking system for power press die change carriers
05/13/1992EP0484781A2 Slab upsetting press for hot wide strip rolling mills
05/13/1992EP0484623A1 Forging press
05/13/1992CN2104088U No-rail feeding manipulators for forging heating
04/1992
04/23/1992WO1992006806A1 Electronic braking system for power press die change carriers
04/23/1992CA2094031A1 Electronic braking system for power press die change carriers
04/21/1992US5105649 Method of producing forging machines
04/21/1992CA1298995C Method for producing a family of forged ring rolling preforms and forging die therefor
04/01/1992CN1059855A Device for exchanging pressing tool of upsetting press
03/1992
03/31/1992US5099676 Apparatus for attaching surgical suture components
03/31/1992US5099672 Forming press
03/25/1992EP0476468A1 Device for exchanging the pressing tools of a pressing machine
03/25/1992EP0476350A1 Swaging Machine
03/19/1992DE4029429A1 Compression press tool change - has trolley with lifting frame and tool holder and trolley to carry the tools for an automated operation
03/19/1992DE4029171A1 Clamping wedge system for holding dies during forging and pressing - comprises wedge, opposing wedge and clamping screw with gap in between and inward facing projections in vibrating area
03/17/1992US5095731 Shell casing machine
03/11/1992EP0473951A2 Apparatus for mounting the tool on the toolholder of an upsetting press
03/10/1992US5094796 Elastically deformable die and method of die forming using the die
03/10/1992CA1296931C Tool for cold forging tubular members
03/03/1992US5092558 Metal mold having a ceramic coating for forming sintered part
02/1992
02/26/1992CN2097046U Non-trunnion clamping head for forging pressure heating
12/1991
12/31/1991US5076092 Yieldable roller assembly for a die set in a stamping press
12/27/1991EP0462395A2 Installation for the production of pressed articles
12/24/1991US5074141 Bolster apparatus for press-forming workpieces
11/1991
11/26/1991US5067892 Ejection device for ejecting a workpiece from a die in a forming press
11/19/1991US5065636 Drive arrangement for a male-die-side ejector slidably disposed in a slide of a mechanical metal-forming press
10/1991
10/30/1991CN2087541U Movable forming forging die
10/29/1991US5060500 Apparatus for automatically forming a pointed end of raw pipe to be drawn
10/24/1991DE4002855C1 Tool changer for kneading machine - has front cover which swivels and hammer head fitted with trip arm
10/24/1991DE4002854C1 Tool changer for kneading machine - has two or more hammer plungers and set jaws with infeed wedges
10/22/1991US5058412 Driving apparatus for activating a workpiece impelling mechanism in a nut former
10/10/1991DE4010747A1 Extrusion press with die - has holder centring plate and centring frame on interchangeable baseplate
10/09/1991CN1055132A Machining method and apparatus of dies for precise forge of bevel gears
10/08/1991US5054308 Forging punch
10/08/1991CA1290172C Method for producing near net ring gear forgings
10/01/1991US5052210 Forging die design and method for making a forging die
09/1991
09/24/1991US5050260 Tool ring, a method of making it, and a holding tool for use in the performance of the method
09/10/1991US5046350 Apparatus for attaching surgical suture components
08/1991
08/21/1991EP0441962A1 Material separator
08/20/1991US5040404 Die changing system and apparatus for stamping presses
08/20/1991US5040403 Method of changing stamping die sets
08/08/1991DE4003201A1 Quick action coupling for forging manipulator - forms positive purely mechanical drive coupling between tool holder and tool
08/06/1991US5036691 Swaging machine comprising a die changing mechanism
07/1991
07/31/1991EP0439120A2 Transfer device in machines for the progressive forming of workpieces, in particular cross-transfer device in multistage presses
07/16/1991US5031439 Drive for a male-mold-side ejector slidably disposed in a slide of a metal-forming press
07/03/1991EP0434891A2 Manipulator for forging machines, in particular multi-punch forging machines
07/02/1991US5028798 Method and apparatus for determining the geometry of a body
05/1991
05/29/1991EP0429327A1 Manufacturing method and apparatus to produce a shell and telescopic articulated universal joint including that shell
05/28/1991US5019114 Moulding tool and method of making same
05/15/1991EP0427676A1 Cross-transfer press
05/08/1991EP0426378A1 Apparatus for attaching surgical suture components
05/08/1991EP0426377A1 Apparatus for attaching surgical suture components
05/08/1991EP0305437B1 A manipulator for metal ingots
05/08/1991EP0304459B1 Peel assembly for an ingot manipulator
05/04/1991CA2026562A1 Apparatus for attaching surgical suture components
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