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