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