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