Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
03/1991
03/20/1991CN2073329U Sheet stamping device of punching machine
03/19/1991US5000029 Elastoforming die/form block comprising low-hardness silicone elastomer
03/14/1991DE3929963A1 Rotor for open=end spinning - has weft formation groove reduced for fine counts
03/12/1991WO1991003334A1 Process for the improvement of the deep-drawing property of sheet metal or of a sheet metal blank
03/12/1991US4999241 Coiled steel strip with solid lubricant coating
03/12/1991US4998428 Method of cleaning stamping dies
03/12/1991CA2066438A1 Metal sheet or blank stamping
03/06/1991WO1991004115A1 Apparatus for forming can bodies
03/06/1991EP0415896A1 Electrode for electrolysis
03/06/1991EP0415345A2 Composite steel sheet having high workability for drawn and ironed cans
03/06/1991CA2066245A1 Apparatus for forming can bodies
03/05/1991US4996865 Apparatus for forming one-piece metal can bodies
03/05/1991US4996864 Plate-type workpiece
03/05/1991US4996859 Method and apparatus for roll forming metal
03/01/1991CA2023893A1 Composite steel sheet having high workability for drawn and ironed cans
02/1991
02/20/1991CN2071547U Edge-bending and rolling die for flat material with honeycomb structure
02/13/1991EP0412166A1 Thickness-reduced deep-draw-formed can
02/12/1991CA1280038C Container body maker die
02/10/1991WO1991001830A1 Holder for a wall-ironing ring
02/10/1991CA2038940A1 Holder for a wall-ironing ring
02/06/1991EP0411393A2 Method of manufacturing a contact element for a sheet connector and contact element for this sheet connector
02/05/1991US4989434 Method and apparatus for doming can bottoms
01/1991
01/30/1991EP0410007A1 Method of producing thin, deep-drawn can
01/30/1991CN2070210U Mechanical syncronous device for realizing circular arc motion parth
01/29/1991US4987762 Individually variable multi-station drawing apparatus
01/23/1991CN1048732A 电极 Electrode
01/15/1991US4984708 Redrawing method and drawn-redrawn can
01/09/1991EP0407314A2 Band or part of a rim for a draw-and-redraw-process and its use
01/09/1991EP0407313A1 Method of making multifilm coated sheet materials suited for deep drawing or stretch-drawing of hollow articles therefrom
12/1990
12/27/1990EP0404420A1 Process for production of covered deep-drawn can
12/19/1990EP0403065A2 Plastics tooling with compression adjustment
12/19/1990CN1047817A Method and apparatus for forming wall ironed articles
12/18/1990US4977774 Press device
12/18/1990US4977772 Method and apparatus for forming reforming and curling shells in a single press
12/16/1990CA2012135A1 Plastic tooling with compression adjustment
12/13/1990WO1990014901A1 Method and apparatus for forming wall ironed articles
12/13/1990CA2032144A1 Method and apparatus for forming wall ironed articles
12/12/1990EP0402006A1 Method and apparatus for forming wall ironed articles
12/11/1990US4976400 Plastic tooling with compression adjustment
12/11/1990US4976131 Can body making apparatus
12/11/1990US4976126 Spinning machine
12/04/1990CA1277259C Drawn can body methods, apparatus and products
11/1990
11/29/1990WO1990014179A1 Manufacture of drawn/ironed can
11/28/1990CN1010563B Method and apparatus for vehicle body panel attachment
11/22/1990EP0397795A1 Apparatus for forming can bottoms
11/21/1990CN1047044A Die for sheet press work
11/20/1990CA1276506C Process for the production of a shaped member from pieces of sheet metal of different thicknesses
11/14/1990CN2065515U Iron cover without convex beam
11/06/1990CA1275867C Process and device for pressforming sheet material having a small elongation
10/1990
10/17/1990EP0392850A2 Method of producing laminated metal belt
10/17/1990CN1046107A Universal valve, tube-fitting expansion pressure forming process
10/16/1990US4962659 Redrawing method
10/16/1990US4962587 Method of making a wheel rim
10/16/1990CA1275201C Press forming sheet metal
10/10/1990CN1045933A Stamping press for deep-stamping (drawing)
10/03/1990EP0390355A1 Maintaining a preferred vibration mode in an annular article
09/1990
09/28/1990CA2012930A1 Maintaining a preferred vibration mode in an annular article
09/19/1990CN1009623B Process and device for press-forming sheet material having small elongation
09/18/1990US4956990 Apparatus for forming can bodies
09/18/1990US4956989 Method of forming a collar for heating exchanger fin and die for use therein
09/18/1990CA1274336A1 Low hardness silicon elastomer flexible support useable for deep drawing through elastodynamic shaping
09/05/1990EP0385970A2 Method of mechanical surface treating of metal sheets
09/05/1990CN1045042A Spinning shaping of cast steel blank under cast condition
09/05/1990CN1009462B Lubricating composition and its application in metal forming
09/04/1990US4953778 Method of making torsional vibration damper having a roll spun housing
09/04/1990US4953376 Metal spinning process and apparatus and product made thereby
09/04/1990US4953275 Process for manufacturing alloy wheels for vehicle tires
09/01/1990CA2011226A1 Method of mechanical surface treatment of a blank metal sheet
08/1990
08/28/1990WO1990009851A1 Can body making apparatus
08/28/1990US4951490 Method for automatically controlling spinning rolls
08/28/1990CA1273395A1 Apparatus for forming a shadow mask
08/23/1990WO1990009321A1 Thin, deep-drawn can
08/23/1990WO1990009269A1 Method of producing thin, deep-drawn can
08/15/1990CN2060435U Easy-to-open cap of glass tin
08/08/1990EP0380894A1 Device for deep-drawing sheet materials
08/08/1990EP0380662A1 Method of manufacturing draw-formed container
08/08/1990CN1009128B Aluminium metal products and the formation of adhesively-bonded structures
08/07/1990US4945783 Ring gear with roll formed teeth
08/02/1990DE4002528A1 Stanzwerkzeug Punch
08/01/1990EP0379649A1 Method for manufacturing rim holes in sheet metal blanks
07/1990
07/18/1990CN1043893A Device for pressing sheet material
07/18/1990CN1043892A Drawing machine
07/11/1990CN1043646A Method and device for pressing sheet material with deformable punch under ram
07/11/1990CN1043645A Method and device for pressing sheet material on elastic forming die
07/11/1990CN1008720B Steel sheets for di cans
07/10/1990US4940522 Method for manufacturing plated steel sheet for cans
07/05/1990DE3348231C2 Arrangement on tools or presses for drawing sheet-metal shaped parts
07/04/1990EP0376809A1 Method and device for deep-drawing sheet materials on an elsatic formation lower die
07/04/1990EP0376808A1 Method and device for deep-drawing sheet materials with a stamp deformable underneath a plunger
07/04/1990EP0376240A1 Drawing press
07/04/1990CN1043454A Hand straight shank link lever punching device
07/04/1990CN1008607B Method and device for stamping container
06/1990
06/30/1990CA2006772A1 Method and device for pressing sheet material on an elastic forming die
06/26/1990US4936129 Method for forming a vehicle wheel
06/20/1990EP0373470A1 Press device
06/19/1990US4934167 Can body making apparatus
06/13/1990EP0372687A1 Manufacture of can bodies
06/06/1990EP0371940A2 A device in machines for the marking of workpieces
06/06/1990EP0371397A2 Process for making coated or laquered containers, their use as well as coating or lacquer
06/06/1990CN1008241B Mfr. method for thin-wall stretch vessel