| Patents for B21J 13 - Details of machines for forging, pressing, or hammering (6,375) |
|---|
| 03/09/1999 | US5878491 Process for the manufacture of a forged connecting rod |
| 03/03/1999 | CN1042304C Pumping-rod forging-forming process and die thereof |
| 02/09/1999 | US5868026 Stepped, segmented, closed-die forging |
| 01/20/1999 | EP0891824A1 Hot forging device for bevel gear |
| 12/23/1998 | WO1998057765A1 Multistage metal-forming machine tool |
| 12/23/1998 | EP0885073A2 A machine for performing high speed stamping and forming operations |
| 12/22/1998 | US5850756 Workpiece ejecting mechanism for a forging apparatus |
| 12/17/1998 | DE19806131A1 Apparatus on forming machines to produce finished components requiring no machining |
| 12/15/1998 | US5848547 Cassette tooling |
| 11/18/1998 | CN1198970A Die for forging machine and its fitting method |
| 11/11/1998 | CN2296784Y Extruding forming die for casing of rock bit |
| 11/03/1998 | US5829302 Progressive forging machine |
| 10/29/1998 | WO1998047646A1 Forging die and upset forging method |
| 10/21/1998 | CN2294798Y Forged product forming machine with ejection mechanism |
| 10/15/1998 | DE19804725A1 Riveting machine with set punch and die frame legs |
| 10/06/1998 | US5815922 Method and apparatus for forging helical ring gear |
| 09/29/1998 | US5813272 Apparatus for full enclosed die forging |
| 08/26/1998 | CN1191164A Mould core device capable of simple taking out mandrel for cold forging and use method thereof |
| 08/20/1998 | DE19704776A1 Upper section of press |
| 08/13/1998 | DE19725729C1 Cam control device for workpiece transfer |
| 07/08/1998 | CN2285704Y Hot forging die for flange of half rear axle for automobile |
| 06/04/1998 | DE19648708A1 Controlled cooling method for hot-forming tool in hot-forming presses |
| 05/22/1998 | WO1998020994A1 Hot forging device for bevel gear |
| 05/14/1998 | DE19645795A1 Unit for removal of repetitive workpieces from last operating stage of press |
| 05/14/1998 | DE19645794A1 Delivery and removal unit for sheet-metal workpieces on a press line, a transfer press, a multistage press for large workpieces, or a similar press installation |
| 05/14/1998 | DE19645793A1 Unit for transporting workpieces through a multistage press, a transfer press line or a similar press installation |
| 05/05/1998 | US5746087 Heading slide guiding system |
| 04/16/1998 | DE19642587A1 System to maintain parallel motion of slides of multi=point press |
| 04/16/1998 | DE19641661A1 Quickly switchable pressure cushion for hot-forging presses, in particular, crank and eccentric presses |
| 04/15/1998 | EP0835701A2 Die for clinch joints |
| 04/15/1998 | EP0796155A4 Adjustable form die |
| 04/08/1998 | CN1178142A Method for moulding three dimension hollow workpieces without rags by cold forging |
| 03/31/1998 | US5732590 Supporting frame of a slab upsetting press |
| 03/31/1998 | US5732589 Automatically adjustable multiple CAM for forging machine |
| 03/19/1998 | DE19739515A1 Forging device for ring gear |
| 03/17/1998 | US5727420 Mercury filler |
| 03/05/1998 | DE19737629A1 Process for shaping axially ductile bolts by forging |
| 03/05/1998 | DE19732014A1 Mould with hard layer coating |
| 02/26/1998 | DE19634307A1 Two-function tool for preparing tube ends for draw-bench |
| 02/17/1998 | US5718145 Machine for performing high speed stamping and forming operations |
| 02/17/1998 | US5718144 Dwell cam driver for stamping press |
| 02/03/1998 | US5713236 Pick and place transfer |
| 01/21/1998 | CN1170645A Reusable cold forging die |
| 01/06/1998 | US5704245 Progressive forging machine with individually adjustable tools |
| 01/02/1998 | DE19623148A1 Production of hollow metal forming tools |
| 12/31/1997 | CN1168825A Process for mfg. connecting rod rough forging |
| 12/29/1997 | EP0693006B1 Forming tool |
| 12/17/1997 | EP0812637A1 Die for cold forming of articles |
| 12/11/1997 | DE19622586A1 Forging die to make workpieces |
| 12/04/1997 | DE19722230A1 Forging machine with automatically adjustable cam systems |
| 12/04/1997 | DE19722228A1 Fixing of tools for cutting machine with different forming stages |
| 10/08/1997 | CN1161255A Structure of supporting frame of machine for pressing edges of plate blank |
| 10/01/1997 | EP0798059A1 Method of production of a blank for a forged connecting rod |
| 09/29/1997 | CA2201252A1 Procedure for the manufacture of a forged blank connecting rod |
| 09/24/1997 | EP0796155A1 Adjustable form die |
| 09/03/1997 | CN2261306Y Telescopic ingot projector |
| 08/19/1997 | US5658181 Die and method for applying radial forces to an eccentric workpiece |
| 08/12/1997 | US5655402 Forging machine |
| 07/08/1997 | US5645385 Cam Actuated clamping tool |
| 06/12/1997 | WO1997001404A3 A machine for performing high speed stamping and forming operations |
| 05/28/1997 | CN2254787Y Non-contacted-thin-sheet die for ring shaped forging piece |
| 05/22/1997 | DE19541360A1 Swinging out device for press slide and shears within shaping press |
| 04/24/1997 | DE19623968A1 Forging hammer |
| 03/26/1997 | EP0764484A1 High performance press |
| 03/26/1997 | EP0764483A1 Frame construction of slab upsetting presses |
| 03/20/1997 | WO1997010065A1 Apparatus for preparing a preform slug to be used in a manufacturing operation |
| 02/26/1997 | CN2248105Y Single-brace single-rope three-tooth automatic snap-on tongs |
| 02/26/1997 | CN2248104Y Single-brace single-rope rotary multifunctional automatic snap-on tongs |
| 02/20/1997 | CA2229052A1 Continuous duty press monitoring system |
| 02/18/1997 | US5603882 Piercing method and apparatus |
| 02/12/1997 | CN1142791A Stepped, segmented, closed-die forging |
| 02/11/1997 | US5600986 Sizing press and die system |
| 01/23/1997 | DE19526895A1 Reduction of vibration transmission |
| 01/22/1997 | EP0754513A2 Heading slide guiding system |
| 01/16/1997 | WO1997001404A2 A machine for performing high speed stamping and forming operations |
| 01/14/1997 | US5592847 Stepped segmented, closed-die forging |
| 12/18/1996 | EP0689494B1 Apparatus for detecting fault conditions |
| 12/18/1996 | CN1033562C Device for fixing die and die bed of upsetting press |
| 12/10/1996 | US5582062 Die changing system including moving bolsters |
| 12/10/1996 | US5582059 Forging machine |
| 11/26/1996 | US5577902 For gripping a workpiece to be forged |
| 11/26/1996 | US5577406 Forming tool |
| 11/12/1996 | US5572926 Press unloader for unloading presses |
| 10/23/1996 | EP0630303B1 A method and an apparatus for ejecting an elongate blank from a die |
| 10/23/1996 | EP0630302B1 A method and an apparatus for making screws, rivets or similar objects |
| 10/02/1996 | EP0734294A1 Stepped, segmented, closed-die forging |
| 09/18/1996 | EP0732192A2 Eccenter driven press, in particular for multi-stage cold extrusion |
| 09/03/1996 | US5551276 Upsetting press main drive |
| 08/28/1996 | EP0728573A1 Press, in particular for forging |
| 08/21/1996 | CN2233296Y Die for stable lever of vehicle |
| 08/20/1996 | US5546784 Adjustable form die |
| 08/14/1996 | EP0726111A1 Multiple die station forging machine |
| 08/06/1996 | US5542276 Method and an apparatus for ejecting an elongate blank from a die |
| 06/13/1996 | WO1996017697A1 Adjustable form die |
| 06/11/1996 | US5524471 Apparatus for making screws, rivets or similar objects |
| 05/30/1996 | DE4442381A1 Device to read off type and position of tool in bending machine |
| 05/08/1996 | EP0710523A1 Method and apparatus for deburring and calibrating of forged workpieces |
| 04/30/1996 | US5511450 Method of manufacturing forming die |
| 04/25/1996 | DE4437085A1 Press tool changes between main and side tables |
| 04/24/1996 | CN1120984A Pumping-rod forging process and the die thereof |