| Patents for B21J 9 - Forging presses (2,855) |
|---|
| 02/06/1990 | US4898017 Quick-change tooling for progressive formers and the like |
| 01/18/1990 | DE3922243A1 Apparatus for the production of hollow parts, especially on pressing machines or swaging machines and hydraulic presses |
| 12/12/1989 | US4885927 Method and apparatus for press forming intricate metallic shapes such as spool valve elements |
| 11/21/1989 | US4881399 Double-action screw press |
| 11/08/1989 | EP0340543A2 Progressive former and method of producing same |
| 11/02/1989 | EP0339247A1 Hydraulic steering device for the drive control of a double-acting hydraulic cylinder |
| 10/31/1989 | US4876878 Press with hydro-mechanical drive |
| 09/19/1989 | US4866970 Apparatus for the continuous shearing off and cold swaging of metal workpieces |
| 09/13/1989 | CN2044200U Roll mould forging press |
| 08/10/1989 | DE3802266A1 Press |
| 07/12/1989 | EP0323607A2 Longitudinal forging machine for forging round or sharp-edged bars |
| 06/13/1989 | US4838062 Process for upset forging of long stands of metal bar stock |
| 05/23/1989 | US4831861 Hydraulic cold extrusion press |
| 05/03/1989 | EP0314267A2 Tool for cold forging tubular members |
| 04/11/1989 | US4819474 Metal forming machine having a stroke position adjusting assembly |
| 04/06/1989 | WO1989002797A1 Improvements in or relating to rotary forging machines |
| 03/21/1989 | US4813263 Forging machine |
| 03/08/1989 | EP0306380A1 Stepped tool for piercing a hole in a work piece by driving the tool axially into the work piece |
| 03/01/1989 | CN1031339A Die-revolving high-speed cold header with multiple working positions |
| 02/15/1989 | EP0303432A2 Plastic working method and apparatus |
| 01/10/1989 | US4796459 Accumulator system for closed die forging |
| 01/03/1989 | US4795333 Rotary forging |
| 12/20/1988 | US4791796 Tool for cold forging tubular members |
| 11/29/1988 | US4787234 Method and apparatus for extruding superalloy material |
| 11/08/1988 | US4782682 Rolling Mill Tool |
| 10/27/1988 | DE3712497A1 Eccentric press |
| 10/25/1988 | US4779444 Closed die forging machine |
| 10/13/1988 | DE3715261C1 Open-die forging press |
| 09/28/1988 | EP0283532A1 Cutting and deforming press with a hydro-mechanical toggle drive |
| 08/31/1988 | EP0280056A2 Hydraulic cold-forging press |
| 08/24/1988 | EP0279014A1 Process for manufacturing rod-shaped articles having at least one protruding end at one side |
| 08/24/1988 | EP0279013A1 Process and device for manufacturing shafts with a protruding end |
| 08/24/1988 | EP0279012A1 Process and device for manufacturing the head of a poppet valve |
| 06/22/1988 | EP0272186A1 Direct extrusion method at a vertical forging press, and equipment therefor |
| 06/22/1988 | EP0272067A2 Process and apparatus for upset forging of long stands of metal bar stock |
| 06/01/1988 | EP0268681A1 Double action screw-press |
| 05/24/1988 | US4745793 Hydraulically driven forging machine |
| 05/03/1988 | US4741084 Conversion of mechanical punch presses to hydraulic punch presses |
| 03/23/1988 | EP0260546A2 Forging machine |
| 01/27/1988 | EP0253908A1 Burnishing tool |
| 01/14/1988 | DE3720895A1 Moulding press |
| 01/14/1988 | DE3622113A1 Artistic forging machine |
| 12/12/1987 | CN86210552U Universal microprocessor monitor for heated-die forging press |
| 12/03/1987 | WO1987007210A1 Double action screw-press |
| 11/19/1987 | WO1987006869A1 Double toggle synchronous mechanism |
| 11/03/1987 | US4703639 Apparatus and process for forced lubrication piercing |
| 10/20/1987 | CA1228253A1 Method and apparatus for forging of crankshafts in presses |
| 10/13/1987 | US4698992 Wobble-die forging machine |
| 09/23/1987 | EP0238186A2 Rotary forging of metal powder |
| 09/16/1987 | EP0236589A2 Hydraulic forging machine |
| 08/25/1987 | US4688312 Fuel injection valve having an end flange formed by plastic working and its method of manufacture |
| 08/06/1987 | DE3602884A1 Toggle-joint press for massive forming |
| 06/11/1987 | DE3542967A1 Method and apparatus for smoothing workpieces in hammer forging in forging presses |
| 06/02/1987 | CA1222478A1 Apparatus and process for forming articles by heading |
| 05/07/1987 | DE3636860A1 Multi-stroke moulding press |
| 05/07/1987 | DE3541805C1 Tube-end upsetting plant |
| 04/01/1987 | EP0216283A2 Multi-stage forging press |
| 03/24/1987 | US4651548 Wobble-die forging machine |
| 03/03/1987 | US4646555 Dual stage press |
| 03/03/1987 | US4646554 Process for the manufacture of a rack |
| 03/03/1987 | US4646551 Apparatus for forging of crankshafts in presses |
| 01/28/1987 | CN85201755U Microelectronic brain temp. control device of electric upset valve |
| 12/30/1986 | US4631950 Progressive former with removable tooling |
| 12/30/1986 | EP0206235A2 Method and apparatus for upsetting steel rods |
| 12/10/1986 | CN85104550A Wobble-die forging machine |
| 12/02/1986 | US4625533 Method and apparatus for increasing thickness of tubular member |
| 11/18/1986 | US4622841 Method of forming long metal tubing to tapered shape |
| 10/28/1986 | US4619574 Loading equipment for manipulating tubes in upsetting presses |
| 10/21/1986 | US4617819 Wire cutting and forming machine with balanced masses |
| 09/16/1986 | US4611482 Closed die forging apparatus |
| 09/09/1986 | CA1211031A1 Roll swage device |
| 08/26/1986 | US4607518 Forging press of underfloor design |
| 08/19/1986 | US4606217 Screw press having a shifting coupling and a continuously rotating flywheel |
| 08/05/1986 | US4603573 Press |
| 07/30/1986 | CN85100067A Double row cam lever type multiple-ram forging hammer |
| 03/18/1986 | US4576092 Uniform-pressure press apparatus |
| 03/11/1986 | US4574609 Nut forming apparatus |
| 01/14/1986 | US4563889 Screw press |
| 01/10/1986 | CN85102160A Novel electromagnetic foil-hammering machine |
| 12/27/1985 | EP0165518A2 Forging press of the underfloor type |
| 12/24/1985 | US4559807 Press |
| 12/11/1985 | EP0163922A2 Automatic apparatus for the hydroplastic shaping of spur pinions |
| 11/12/1985 | US4552009 Upsetter |
| 11/05/1985 | US4550588 Press machine |
| 10/16/1985 | EP0157894A1 Method and apparatus for increasing thickness of tubular member |
| 10/10/1985 | CN85200347U Pneumatic and hydraulic screw press |
| 10/08/1985 | US4545232 Method and apparatus for performing multiple closed and semi-closed operations on an open die press |
| 09/17/1985 | CA1193526A1 Swaging apparatus having elastically deformable members with segmented supports |
| 09/04/1985 | EP0153323A1 Pipe deforming method and apparatus |
| 09/03/1985 | US4538440 Roll swage device |
| 06/19/1985 | EP0144981A2 Method and device for forging crankshafts onto presses |
| 06/18/1985 | US4523445 Hot working method and apparatus in the swaging working technology |
| 06/12/1985 | EP0144241A1 Clutch Assembly |
| 05/15/1985 | EP0140988A1 Charging device for the manipulation of tubes on upsetting presses |
| 05/14/1985 | CA1186942A1 Floor-mounted forging press having a stationary piston with a bore for supplying a pressure medium, and a moving cylinder |
| 04/24/1985 | EP0138758A1 Method for the continuous cutting and pressing of material supplied in the form of wire |
| 04/16/1985 | CA1185664A1 Method and apparatus for hot forming a polygonal head on a snap tie rod |
| 03/19/1985 | US4505144 Apparatus for simultaneous both-end shaping of workpiece |
| 03/05/1985 | US4502379 Press frame |
| 03/05/1985 | US4502308 Swaging apparatus having elastically deformable members with segmented supports |