Patents for B21D 24 - Special deep-drawing arrangements in, or in connection with, presses (1,969) |
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04/06/1989 | WO1989002794A1 Apparatus and method for trimming a can body |
04/06/1989 | WO1989002793A1 Power press with improved cushioning system |
03/28/1989 | US4815718 Self-lubricating die cylinder |
03/28/1989 | US4815348 Apparatus for trimming a flanged end of a tubular article |
03/09/1989 | DE3817514A1 Pneumohydraulic cushion for presses |
01/25/1989 | EP0300000A1 Press drive. |
01/10/1989 | US4796460 Cushion construction including snubber |
01/10/1989 | US4796454 Method for controlling movement in a single action forming press |
01/10/1989 | US4796453 Hydraulic element and drawing die assembly |
01/04/1989 | EP0297475A2 Plate drawing apparatus |
12/15/1988 | DE3718159A1 Drawing apparatus on presses |
11/15/1988 | US4783982 Apparatus and method for trimming a can body |
10/25/1988 | US4779443 Complex pressing die apparatus |
08/23/1988 | US4765227 To cushion movement of a member in a press |
08/17/1988 | EP0278897A2 Press for working a flat semi-finished product without cutting |
08/17/1988 | EP0278062A2 Apparatus for deep-drawing sheet metal sections |
08/11/1988 | WO1988005724A1 Press drive |
08/03/1988 | EP0276672A2 Drawing device in a press |
08/02/1988 | CA1239836A1 Nitrogen die cylinder |
07/06/1988 | EP0273721A2 A booster type driving device for a press-machine |
07/05/1988 | US4754955 Air cushion snubber apparatus |
06/01/1988 | EP0268894A2 Drawing device for a press |
06/01/1988 | EP0268893A2 Drawing device for a press |
05/25/1988 | EP0268036A2 Die spring construction |
05/24/1988 | US4745792 For applying pressure to a flange on a blank |
05/10/1988 | CA1236344A1 Nitrogen die cylinder |
04/12/1988 | US4736615 Pneumatic press counterbalance |
04/12/1988 | CA1235020A1 Press |
03/22/1988 | US4732033 Pneumatic die cushion |
03/15/1988 | US4731457 1-substituted, 2,3-diphenyl-3-hydroxymethyl pyrrolidines, where the 2- and/or 3-phenyl can be substituted |
01/13/1988 | EP0252635A2 Complex pressing die apparatus |
01/07/1988 | EP0251024A2 Drawing tool |
12/15/1987 | US4712412 Drawing apparatus in presses |
11/19/1987 | EP0245349A1 Apparatus for trimming a flanged end of a tubular article. |
10/27/1987 | US4702098 Redraw carriage assembly and slide mount |
10/14/1987 | CN87100732A Apparatus and method for trimming can body |
10/13/1987 | US4698991 Method of and apparatus for controlling forming press conditions |
10/06/1987 | US4697688 Transfer mechanisms for circular transfer press |
09/23/1987 | EP0238099A2 Method and apparatus for stamping sheet material |
09/09/1987 | EP0236004A1 Apparatus and method for trimming a can body |
09/08/1987 | US4691902 Self-lubricating die cylinder |
08/25/1987 | US4688775 Self-lubricating die cylinder |
08/06/1987 | DE3603107A1 Die cushion, in particular for use in deep-drawing by means of single-action hydraulic drawing presses |
08/05/1987 | EP0230925A2 Multiple-stage press |
07/30/1987 | DE3602236A1 Pneumatic drawing installation for single- or double-action presses |
06/02/1987 | US4669298 Press |
06/02/1987 | CA1222417A1 Stack press |
05/26/1987 | US4667496 Apparatus for controlling dynamic characteristics of outer load |
05/21/1987 | WO1987002919A1 Apparatus for trimming a flanged end of a tubular article |
05/07/1987 | DE3619109A1 Device for impact damping for drawing cushions on presses |
02/24/1987 | US4644626 Forming of metal articles |
01/13/1987 | US4635466 Die cushion apparatus for use in a press machine |
12/16/1986 | US4628796 Nitrogen die cylinder |
10/07/1986 | US4615204 Drawing apparatus of the double action and lower punch slide type |
08/27/1986 | EP0192115A2 Drawing apparatus for presses |
07/29/1986 | CA1208665A1 Fluid die spring |
07/22/1986 | US4601190 Drawing installation in a press |
07/15/1986 | US4599887 Apparatus for controlling dynamic characteristics of press load |
07/08/1986 | CA1207215A1 Die cylinder assembly |
06/03/1986 | US4592220 System and method for the in press adjustment of workpiece holding force |
05/07/1986 | EP0088094B1 Method and apparatus for the manufacture of metal components |
04/22/1986 | US4583722 Nitrogen die cylinder |
03/12/1986 | EP0173755A1 Drawing device in a press |
03/05/1986 | EP0173184A1 Power press, particularly for use in drawing and deep-drawing operations |
02/26/1986 | EP0172732A1 Forming of metal articles |
02/25/1986 | US4572489 Nitrogen die cylinder |
02/25/1986 | US4571979 Double acting press for sheet metal forming |
02/25/1986 | CA1201056A1 Turret punch presses |
02/04/1986 | CA1200152A1 Deep-drawing and edge-trimming die |
12/18/1985 | EP0165133A1 Method and apparatus for stamping sheet metal |
08/13/1985 | US4534202 Cup feeding mechanism |
08/06/1985 | US4532845 Turret punch presses |
07/30/1985 | US4531395 Modular drawbead structure |
07/16/1985 | US4529181 Fluid die spring |
04/09/1985 | US4509355 Apparatus for forming a sheet metal product having an opening |
02/19/1985 | US4499750 Drawing device for presses with mechanically driven drawing ram |
12/27/1984 | CA1179901A Forming apparatus |
12/25/1984 | US4489584 Single stroke, draw and trim die assembly |
12/04/1984 | US4485661 Deep-drawing end edge-trimming die |
11/20/1984 | US4483173 Device for the automatic regulation of the push rods of a stamping press |
10/23/1984 | US4478066 Method of making a thin-walled bearing bushing |
09/25/1984 | US4472955 Metal sheet forming process with hydraulic counterpressure |
09/18/1984 | US4471644 Apparatus for mechanically treating metal components |
09/11/1984 | US4470287 Method of producing hollow articles by deep drawing |
07/17/1984 | CA1170919A1 Wide panel, panel assembly, and panel forming apparatus |
07/03/1984 | US4457498 Force balanced die cylinders |
04/24/1984 | CA1166146A1 Scrap cutter for use with mechanical press |
04/17/1984 | US4442691 Double action press having floating punch |
02/21/1984 | US4432222 Stretch drawing apparatus |
12/27/1983 | CA1159314A1 Double action press having floating punch |
11/22/1983 | US4416133 Automatic machine for finishing cookware body blanks |
09/14/1983 | EP0088094A1 Method and apparatus for the manufacture of metal components. |
06/21/1983 | CA1148387A1 Air cushion snubber apparatus |
04/14/1983 | WO1983000822A3 Method and apparatus for the manufacture of metal components |
03/23/1983 | EP0074421A1 Deep-drawing arrangement for presses with mechanically driven drawing punch |
03/22/1983 | US4377313 Thin-walled bearing bushings produced in the drawing process |
03/17/1983 | WO1983000822A2 Method and apparatus for the manufacture of metal components |
03/17/1983 | WO1983000821A1 Drawing device for presses, provided with a mechanically operated punch |
02/15/1983 | US4373369 Method of forming integral flanges in a sheet |
01/18/1983 | CA1139742A1 Method of forming integral flanges in a sheet, the product thereof and the apparatus |