Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
06/1990
06/05/1990US4930331 Apparatus and method for fabricating elliptical tubing
06/05/1990US4930330 Double action bottom former
05/1990
05/31/1990WO1990005600A1 Die set for the formation of cavities for metal packages to house electronic devices
05/29/1990US4928512 Die set for the formation of cavities for metal packages to house electronic devices
05/29/1990US4928508 Method of forming prelubricated finstock
05/29/1990US4928375 Method of forming a hollow fastener from sheet metal
05/29/1990CA2004044A1 Process for the production of coated or lacquered metal containers and the use thereof
05/22/1990US4927043 Necked-down can having a false seam and an apparatus to form same
05/22/1990US4926673 Process and apparatus using an elastoforming die/form block comprising low-hardness silicone elastomer
05/22/1990US4926669 Container body maker die
05/16/1990CN1042099A Monolithic shaping method and die set for supper-deep thin shell
05/14/1990CA2002764A1 Die set for the formation of cavities for metal packages to house electronic devices
05/10/1990DE3836858A1 Steel sheeting coated with a polyester resin film, in particular for drawn-and-ironed cans, and process for the production thereof
05/09/1990EP0367642A1 Method and device for shaping sheet metal, particularly for realizing a shadow mask for cathode ray tubes obtained according to the method
05/08/1990US4923762 Precoated steel sheet for two-piece can
05/02/1990EP0366049A2 Spinning molding process, spinning molding apparatus, spinning molding raw material, spinning molding process of vehicle wheel, and spinning molding apparatus of vehicle wheel
05/02/1990CN1007849B Method of drape drawing shadow mask for color display tube, shadow mask manufactured by said method, and color display tube comprising such shadow mask
04/1990
04/25/1990EP0364596A1 METHODS FOR PRODUCING Zn-Ni ALLOY-PLATED STEEL SHEET HAVING EXCELLENT PRESS MOLDABILITY
04/25/1990CN1041549A Method and device for forming sheet-metal blank in particular for making cathode tube mask, and cathode tube mask obtained according to this method
04/24/1990CA2001372A1 Spinning molding process for manufacturing a vehicle wheel
04/10/1990US4914937 Method for forming tall tapered containers
04/10/1990US4914936 Follow-on tool for stamping press
04/05/1990DE3932549A1 Graviervorrichtung mit einem doppelten rueckkehrmechanismus fuer das stichelhalterlager Engraver with a double rueckkehrmechanismus for the stichelhalterlager
04/05/1990CA2000059A1 Method and device for forming a sheet-metal blank in particular for making a cathode tube mask, and cathode tube mask obtained according to this method
04/03/1990CA1267357A1 Press tool for face collector
04/03/1990CA1267326A1 Method and apparatus for edge preparation of spinning blanks
03/1990
03/27/1990US4910989 Process for making an exterior bevel on a stamped cylindrical part
03/20/1990US4908924 Process for producing a part of torque converter
02/1990
02/27/1990US4904505 Thin film of uniform thickness
02/22/1990DE3827985A1 Large-part multiple die press for producing deep-drawn parts and double parts with large surfaces
02/20/1990US4902872 Process for the production of a shaped part from pieces of sheet metal of different thicknesses
02/08/1990DE3925733A1 Tool for forming flanged slotted hole in sheet metal
02/07/1990CN2052436U Double-faced impactor of metal foil punching and perforating
02/07/1990CN2052311U Multiple-point radial roll
02/06/1990US4897909 Method for wheel manufacture by punch forming
01/1990
01/31/1990EP0352711A2 Precoated steel sheet for two-piece can
01/30/1990US4897316 Surface roughness
01/18/1990DE3922243A1 Apparatus for the production of hollow parts, especially on pressing machines or swaging machines and hydraulic presses
01/16/1990US4893514 Device for measuring forces in metal spinning lathes
01/02/1990US4890471 Punch press forming CRT shadow masks
12/1989
12/27/1989EP0348279A1 Method of finish-machining the two opposed edges of a work piece, and device for carrying out the method
12/19/1989EP0248845A4 Press forming sheet metal.
12/14/1989WO1989011930A1 Method of manufacturing draw-formed container
12/12/1989US4885924 Method of forming containers
12/05/1989US4884431 Apparatus for body panel attachment
11/1989
11/30/1989DE3817818A1 Roller holder for the spinning roller of a spinning machine
11/29/1989EP0343624A2 Method and apparatus for shaping hollow sections, tubes, etc.
11/29/1989CN2048405U Group punching machine for treating aluminum door and window
11/23/1989DE3817225A1 Spinning machine
11/21/1989US4881394 Method and apparatus for ironing the wall of a one-piece cylindrical body
10/1989
10/31/1989CA1262542A1 Metal-forming lubricant
10/24/1989US4875597 Convenience packaging
10/19/1989WO1989009665A1 Container body maker die
10/18/1989EP0337500A2 Container
10/18/1989EP0336942A1 Method and installation for forming a titanium or titanium alloy sheet element with adjusted surface
10/17/1989US4873859 Apparatus for controlling movement in a single action forming press
10/11/1989EP0336862A1 Method of making an outer chanfer on a cylindrical drawn piece
10/10/1989US4872921 Sheets of aluminium alloy containing magnesium, suitable for producing bodies of cans by drawing and ironing, and method of obtaining said sheets
10/10/1989US4872369 Torsional vibration damper having a roll spun housing and other improvements
10/10/1989US4872250 Method for fabricating a dished hollow body possessing a linear or helical inner toothing
10/04/1989EP0335602A1 Whisker reinforced ceramic material working tools
09/1989
09/26/1989US4869764 Applying an aqueous solution of a fatty acid, ester, alcohol or amide and a fugitive emulsifier; evaporation; metal working for aluminum shapes
09/26/1989CA1260770A1 Pressure regulated hydraulic cup holder for container redrawing systems
09/21/1989WO1989008730A1 PROCESS FOR PRODUCING Zn-Ni ALLOY-PLATED STEEL SHEET HAVING EXCELLENT PRESS MOLDABILITY
09/05/1989US4863060 Flat-rolled steel can stock product
09/05/1989CA1258995A1 Aluminium metal products and the formation of adhesively-bonded structures
08/1989
08/24/1989DE3804656A1 Method and apparatus and use of a cross-slide head for spinning
08/23/1989CN1034887A Method and apparastus for forming container with profiled bottom
08/15/1989US4857412 Method for forming a planar sheet or plate to a curved shape
08/15/1989US4856399 Apparatus for blanking thin sheets using a punch having localized regions of hand and soft elastic material
08/10/1989WO1989007021A1 Apparatus for forming can bottoms
08/01/1989US4852377 Tool pack
07/1989
07/19/1989CN2041216U Multifunctional compound dies
07/18/1989US4848080 Chiplessly formed open-end spinning rotor and process for production of such and open-end spinning rotor
07/13/1989DE3744095A1 Methods for the manufacture of cylinder liners
07/12/1989EP0323792A1 Progressive die for a deep drawing press
07/11/1989CA1257078A1 Method of making multiple rigid concentric tube system
07/05/1989EP0322655A2 Plated steel sheet for cans
07/04/1989US4843863 Container body maker die
06/1989
06/29/1989DE3742541A1 Rubber pad press
06/06/1989US4836330 Plural chamber stamp formed muffler with single intermediate tube
05/1989
05/30/1989US4834603 Stud and stud retaining fastener assembly
05/30/1989US4833903 Method and device for press-forming sheet metal
05/16/1989US4829807 Rubber pad press
05/16/1989US4829799 Method of manufacturing substrate for memory disk
05/16/1989CA1254160A1 Method and apparatus of manufacturing a body of a container, same body and same container
05/10/1989EP0314936A2 Method and apparatus for plastic forming of tubular articles
05/10/1989EP0191802B1 Hydraulic cup holder
05/02/1989US4827100 Process for the production of a shaped parts from pieces of sheet metal of different thicknesses
05/02/1989US4826637 Ammunition, nitrocellulose
05/02/1989US4826382 Method and apparatus for forming container with profiled bottom
05/02/1989US4825680 Method of manufacturing metal substrates for disk for memory storage media
04/1989
04/26/1989EP0312809A2 Double action press for drawing sheet components
04/26/1989EP0312808A2 Press for drawing sheet components
04/25/1989US4824891 Elastoforming die/form block comprising low-hardness silicone elastomer
04/25/1989US4823578 Method of manufacturing substrate for memory disk
04/12/1989EP0310726A1 Manufacturing method of conical metal boxes and tool for carrying out this method
04/12/1989CN2035667U Eight-working-position stamping die for top-pop can
04/12/1989CN2035665U Hemming device for small hole
04/11/1989US4819475 Tool for aluminum siding applicators