Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
03/1992
03/04/1992EP0460112A4 Can body making apparatus
03/04/1992CN2097697U Telephone plug punch
03/04/1992CN1015694B Universal valve, tube-fitting expansion pressure forming process
03/03/1992US5092040 Spin molding process for manufacturing a vehicle wheel
03/03/1992CA1296581C Method and device for press-forming sheet metal
02/1992
02/26/1992CN2097045U Hydraulic device without pump for drawing pressed material
02/25/1992US5090229 Apparatus for supporting a workpiece
02/20/1992WO1992002361A1 Cutting and forming machine with an adjusting device located in a mobile machine part
02/05/1992EP0469774A1 Method of manufacturing a wall ironed can
02/04/1992US5085131 Hydraulic cylinder for automotive steering systems and the like
01/1992
01/28/1992US5083449 Method of redrawing flanged cup
01/23/1992DE4022722A1 Pipe connection with fixture flange - has female sleeve, annular groove, elastomeric expander, tension rings and raised annular ridge
01/21/1992US5081859 Device for pressing sheet material on an elastic forming die
01/15/1992EP0466391A1 Closure with vacuum indicating button
01/15/1992CN1057797A Production technology of capillary
01/14/1992US5080007 Tilted seamless vent and method for making the same
12/1991
12/31/1991CA1293652C Forming of metal articles
12/17/1991US5072620 Stamping tool
12/17/1991US5072605 Process for production of covered deep-drawn can
12/17/1991CA1293244C Lubricant emulsion
12/11/1991EP0460112A1 Can body making apparatus
12/10/1991US5070717 Method of forming a tubular member with flange
12/04/1991CN1056641A Apparatus and method for hydroforming sheet metal
11/1991
11/26/1991US5067336 Device for pressing sheet material
11/21/1991EP0457423A2 Thickness-reduced draw-formed can
11/21/1991EP0457358A2 Method and apparatus for spinning
11/21/1991EP0456951A1 A machine tool, in particular for the manufacturing from sheet metal, of mechanical parts such as pulleys, wheels and similar
11/20/1991CN1014779B Metal stamping tool
11/19/1991US5065607 Piston and cylinder assembly
11/19/1991US5065606 Press assembly with cushion assembly and auxiliary apparatus
11/14/1991WO1991017004A1 Process for controlling the revolutions of the impression cylinder of a printing machine and printing machine for implementing this process
11/13/1991EP0455806A1 Apparatus and method for hydroforming sheet metal.
11/07/1991DE4014405A1 Verfahren zur steuerung der umlauf-bahnbewegungen der drueckrolle einer drueckmaschine und drueckmaschine zur durchfuehrung des verfahrens Method for control of the peripheral-ground movements of drueckrolle a drueckmaschine and drueckmaschine for performing the method
10/1991
10/23/1991EP0452541A2 Method of manufacturing hollow objects from tantalum
10/23/1991CN1014433B Sheets of aluminium alloy containing magnesium suitable for producing bodies of cans by drawing and ironing, and method of obtaining said sheets
10/22/1991US5058409 Apparatus for manufacturing wrinkled pipes
10/16/1991EP0451268A1 Spin molding apparatus
10/15/1991US5056350 Apparatus and method for stripping a workpiece from a supporting device
10/09/1991EP0451013A1 Method and apparatus for making an embossed part in a sheet metal plate and product obtained by this method
10/03/1991WO1991014626A1 Container reconfiguring system
10/02/1991DE4109873A1 Deep drawing producing vane pump housing - uses reverse drawing which presses peripheral bead to give sharp edge at flange
09/1991
09/24/1991CA1289489C2 Drawn can body products
09/24/1991CA1289418C Method for cutting an outer chamfer on a cylindrical embossed workpiece
09/19/1991DE4038864A1 Deep drawing limit ration increase process - with constant holding-down force dependent upon fold formation
09/18/1991EP0446386A1 Spinning machine
09/17/1991US5048317 Method of manufacturing draw-formed container
09/10/1991US5046374 Apparatus for preforming work
09/04/1991CN1054206A Method and apparatus for forming, reforming and curling shells in single press
09/03/1991CA1288291C Apparatus for supporting a body for reciprocal movement
08/1991
08/20/1991US5040682 Container reconfiguring system
08/14/1991CN1053765A Production method and its installation of high neck flange
08/14/1991CN1053762A Method and device for forming a sheet-metal blank, in particular in order to make a cathode ray tube mask, and cathode ray tube mask obtained according to this method
08/14/1991CN1053761A Method for producing a part of non-derelopable shape from a sheet-metal blank, and shaped part obtained by this method
08/13/1991US5038598 Method and apparatus for performing secondary operations in a press
08/09/1991CA2009776A1 Tilted seamless vent and method for making the same
08/07/1991EP0439670A1 Pretreatment method for metal sheets
08/07/1991CN2082207U Cold spin pressing lathe
07/1991
07/31/1991EP0438829A2 Method of producing a plate-shaped product comprising positioning a component which is connected to or forms part of a plate, and also device suitable for carrying out the method and plate-shaped product which can be manufactured according to the method
07/31/1991EP0438607A1 Coiled steel strip with solid lubricant coating
07/27/1991WO1991011275A1 Method and apparatus for processing containers
07/18/1991DE4038867A1 Deep drawn sheet metal workpieces - are mfd. by continuous adjustment of holding down force of sheet metal blank
07/18/1991DE4038866A1 Controlling sheet metal deep drawing operation - by continuously adjusting pressure on holding-down ring
07/17/1991EP0437305A1 Apparatus for forming one-piece metal can bodies
07/16/1991US5031296 Machine tool for manufacturing pulleys or wheels
07/03/1991EP0435722A1 Method and device for forming a sheet metal blank in particular for producing a mask for a cathode ray tube
07/03/1991EP0397795A4 Apparatus for forming can bottoms
07/03/1991CN2080005U Swing mill
06/1991
06/26/1991EP0434499A1 Method of producing a non-developable piece from a flat metal plate and workpiece made by this method
06/19/1991EP0433203A1 Method and apparatus for drawing conical containers and containers so obtained
06/19/1991CA2032456A1 Blank forming process and apparatus, namely for producing a cathode tube mask, and mask so produced
06/19/1991CA2032444A1 Process for shaping a blank into a non developable ferm, and form produced therewith
06/18/1991US5024077 Method for forming container with profiled bottom
06/18/1991US5024075 Method of deforming two opposite edges of a single workpiece by machining, and apparatus for implementing the method
06/13/1991WO1991008066A1 Method of manufacturing metal can
06/13/1991WO1991008065A1 Apparatus and method for hydroforming sheet metal
06/04/1991US5020350 Apparatus and method for lubricating and cooling in a draw and iron press
06/04/1991US5020218 Method for manufacturing a refrigerator cold head housing
05/1991
05/29/1991CN2077764U Wobbly roller with plane static pressure thrust bearing
05/21/1991US5016769 Closure with high energy button
05/21/1991US5016463 Apparatus and method for forming can bottoms
05/21/1991US5016462 Apparatus for aligning a tool member
05/21/1991US5016458 Method and device for pressing sheet material with a deformable punch under a ram
05/16/1991WO1991006384A1 Spin molding apparatus
05/15/1991CN1051317A Formation method for reducing guide pipe
05/15/1991CN1012620B Resilient support made of low-hardness silicone elastomer, capable of being used in elastoforming stamping
05/14/1991US5014537 Convertible lockbead-drawbead
05/14/1991US5014536 Method and apparatus for drawing sheet metal can stock
05/08/1991EP0425704A1 Manufacture of drawn/ironed can
05/07/1991US5013589 Process for the production of coated or lacquered metal containers and the use thereof
05/07/1991CA1283901C Lubricating composition and method
05/02/1991DE3935666A1 Prodn. of deep drawn pressings to precise dimensions - by upsetting blank to produce rim of increased thickness
04/1991
04/24/1991EP0423429A1 Stamping tool
04/24/1991EP0215906B1 Drawn can body method, apparatus and products
04/23/1991US5009013 Device in machines for the marking of workpieces
04/17/1991EP0422491A1 Drawing device in drawing stages of presses
04/09/1991US5005396 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
04/02/1991US5003809 Method of mounting and demounting molds to and from press molding machine
04/02/1991US5003807 Press assembly and method of operation
04/02/1991CA2019054A1 Stamping tool
03/1991
03/27/1991CN2073779U Tensile hydraulic press