| Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324) |
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| 09/06/1994 | US5343729 Fabricating one-piece can bodies with controlled side wall elongation |
| 09/01/1994 | WO1994019246A2 Container end closure |
| 08/31/1994 | CN2175652Y Empty oil pressure forming deep drawing bumper |
| 08/30/1994 | CA2006867C Drawing machine |
| 08/24/1994 | EP0611612A1 Spinning machine |
| 08/23/1994 | US5340463 Process for obtaining multilayer materials suitable for transformation into hollow bodies by drawing or drawing and ironing |
| 08/20/1994 | CA2113337A1 Flow-roller machine |
| 08/18/1994 | WO1994018806A1 Double ended field coil actuator |
| 08/18/1994 | CA2155656A1 Double ended field coil actuator |
| 08/17/1994 | EP0610925A1 Frustroconical hole shaped without cutting |
| 08/17/1994 | CN2174319Y Variable speed stretching hydraulic press |
| 08/17/1994 | CN1090799A Can forming apparatus |
| 08/09/1994 | US5335532 Body maker apparatus |
| 08/02/1994 | US5333484 Method of ironing cylindrical workpiece of austenite stainless steel, with controlled thickness reduction |
| 07/26/1994 | US5331873 Trim machine for trimming formed sheet material |
| 07/20/1994 | EP0584226A4 Polymer laminated drag cast can stock and method |
| 07/19/1994 | US5330091 Seamless cylinder shell construction |
| 07/19/1994 | US5329799 Process and apparatus for press-forming tubular container-like article from strip, including forward and backward ironing steps |
| 07/13/1994 | EP0605916A1 A method of manufacturing a torque transmitting housing |
| 07/12/1994 | US5328587 Engraving funnel shaped holes in metal tubes and removal |
| 07/12/1994 | CA2015813C Method of mounting and demounting molds to and from press molding machine |
| 07/07/1994 | WO1994006581A3 Process for manufacturing a formed body made by pressing or deep-drawing |
| 07/06/1994 | CN1025298C Method and device for forming sheet-metal blank,in particular in order to make cathode ray tube mask |
| 07/06/1994 | CN1025297C Method and device for pressing sheet material with deformable punch under ram |
| 07/06/1994 | CN1025296C Method and device for pressing sheet material on elastic forming die |
| 07/05/1994 | US5325699 In a can forming apparatus |
| 06/28/1994 | US5323630 Flow-roller machine |
| 06/23/1994 | DE4341163A1 Press for bending metal plate into e.g. channel or V=section |
| 06/23/1994 | DE4242442A1 Automatic, iterative optimisation of drawing processes in presses - with comparison of the noise emitted during drawing with stored reference values, and control of the holding-down force on the basis of the comparison outcome |
| 06/22/1994 | EP0489105B1 Process for the improvement of the deep-drawing property of sheet metal or of a sheet metal blank |
| 06/14/1994 | US5319951 Method for measuring values of parameters inherent in the drawing of pieces of sheet metal |
| 06/09/1994 | WO1994012828A1 Flangeless pipe joint |
| 06/09/1994 | CA2146254A1 Flangeless pipe joint |
| 05/31/1994 | US5315858 Methods and apparatus for redrawing thin-walled container bodies |
| 05/31/1994 | CA2014567C Method of producing laminated metal belt |
| 05/26/1994 | WO1994011183A1 Method of making machine-engraved seamless tube |
| 05/25/1994 | CN1087163A Seamless cylinder shell construction |
| 05/19/1994 | DE4238815A1 Textile bobbins for synthetics - has one piece all metal construction |
| 05/19/1994 | DE4238004A1 Internally-toothed-gear prodn. machine |
| 05/18/1994 | CN1024506C Method and device for forming sheet-metal blank in particular for making cathod-ray tube mask |
| 05/17/1994 | US5312080 Fuel regulator mounting plate and forming process |
| 05/11/1994 | CN2164333Y Ringe support for edge folding machine synchronous oil cylinder |
| 05/05/1994 | DE4328023A1 Roller sprinkler to apply lubricant to metal strips - has hollow proportioner tubes along both rollers, with upwardly directed ejection apertures |
| 05/05/1994 | DE4306372C1 Poly-V pulley hub-shaping method - involves pressing a round central mandrel to form cylindrical boss protruding from disc |
| 05/04/1994 | EP0594927A1 Method of producing a brake shoe |
| 05/03/1994 | US5307665 Electromagnetic re-draw sleeve actuator |
| 04/27/1994 | EP0593799A1 Method of and device for shaping a blank of sheet |
| 04/26/1994 | US5306190 Forming process for a sheet of perforated metal and process implementation device |
| 04/26/1994 | CA1328835C Convenience packaging |
| 04/20/1994 | EP0592461A1 Device for drawing metallic or plastic coated metallic cans |
| 04/20/1994 | EP0410007B1 Method of producing thin, deep-drawn can |
| 04/13/1994 | EP0592211A1 Seamless cylinder shell construction |
| 04/13/1994 | CN2161391Y Horizontal spinning cold-drawn machine |
| 04/12/1994 | US5302157 Lightweight V-grooved pulley |
| 04/12/1994 | US5301534 Multiple lane ironing and doming apparatus |
| 04/12/1994 | CA1328375C Apparatus for forming can bottoms |
| 04/06/1994 | EP0590262A1 Explosion assisted hydromechanical deep drawing |
| 04/05/1994 | US5300335 Polyester film in shape of cup; heat treatment at melting point |
| 03/31/1994 | WO1994006581A2 Process for manufacturing a formed body made by pressing or deep-drawing |
| 03/30/1994 | EP0589203A2 Can forming apparatus |
| 03/24/1994 | DE4231213A1 Verfahren zum Herstellen eines durch Pressen oder Tiefziehen gefertigten Formkörpers A method for producing a fabricated by compression molding or deep drawing |
| 03/23/1994 | EP0588048A1 Method and apparatus for minimizing plug diameter variation in spin flow necking process |
| 03/22/1994 | US5295390 Method of burring |
| 03/22/1994 | US5295378 Method for making a precisely machined part |
| 03/22/1994 | US5295304 Method for producing a full face fabricated wheel |
| 03/17/1994 | WO1994005442A1 Can tooling components |
| 03/17/1994 | DE4230143A1 Method and appts for shaping flat blank - using fluid jet to produce shaping thrust. |
| 03/16/1994 | EP0586725A1 Noise reducing structure of slide-cam die |
| 03/10/1994 | DE4329554A1 Vehicle wheel with variable press-in depth - has adjustable axial gap in region of wheel fastening plane |
| 03/09/1994 | EP0585589A1 Method of automatic and iterative process optimization of drawing operations in presses |
| 03/09/1994 | EP0527192B1 Method for controlling the path of the forming roller of a sheetmetal spinning machine and spinning machine for carrying out this method. |
| 03/08/1994 | US5292292 Epicyclic gear train planet carrier |
| 03/03/1994 | DE4228396A1 Double-skinned sheet-metal component production method - forms equi-pitched holes not in line in main and reinforcing skins before common stamping or deep-drawing operation and fills spaces between |
| 03/02/1994 | EP0584789A1 Apparatus for forming container bodies which utilizes a reinforced composite ram |
| 03/02/1994 | EP0584226A1 Polymer laminated drag cast can stock and method |
| 03/02/1994 | EP0243349B1 Container processing apparatus |
| 02/26/1994 | CA2101985A1 Apparatus for forming container bodies which utilizes a reinforced composite ram |
| 02/22/1994 | US5287717 Method for forming a tank bottom |
| 02/22/1994 | US5287713 Method and apparatus for ironing and trimming cylindrical portion of workpiece, using stepped punch and die having tapered die hole |
| 02/16/1994 | EP0582984A1 Apparatus and method for spin flow necking aD and I can |
| 02/16/1994 | EP0582806A1 Electromagnetic redraw actuator |
| 02/15/1994 | CA2104061A1 Method and apparatus for minimizing plug diameter variation in spin flow necking process |
| 02/09/1994 | CN2155281Y Stamping die set for producing aluminium sheet products |
| 02/03/1994 | DE4241811C1 Appts. for producing a pot-shaped workpiece with internal thread - having protruding rod-shaped bodies for cutting circumferential grooves across the threading as workpiece is produced |
| 02/02/1994 | EP0581458A2 Methods and apparatus for forming sheet metal using a liquid to form the metal directly |
| 02/01/1994 | US5283415 Manufacturing method of a vehicle panel |
| 01/20/1994 | WO1994001233A1 Two stage die set |
| 01/20/1994 | DE4223510A1 Numerically controlled forming machine - has manual correction of roll path during current work cycle |
| 01/19/1994 | EP0579119A1 Redraw carriage for crank and slide press |
| 01/11/1994 | US5277052 Apparatus for forming a leading edge cover for jet engine blades |
| 01/11/1994 | CA1325931C Coiled steel strip with solid lubricant coating |
| 01/05/1994 | DE4307020A1 Aluminium@ (alloy) sheet stamping process |
| 01/05/1994 | CN2151822Y Paraboloid rotary press |
| 12/29/1993 | CN1023300C Process and device for making ladle by cold spinning |
| 12/28/1993 | US5272902 For forming a bottom wall in a metal can body |
| 12/28/1993 | US5272898 Device for stamping materials in sheet form, especially sheet metal blanks |
| 12/23/1993 | WO1993025331A1 Improved body maker apparatus |
| 12/21/1993 | US5271259 Apparatus for drawing and ironing a metal container |
| 12/21/1993 | US5271258 Method and apparatus of forming one-piece core cap stamping with keyway |
| 12/21/1993 | US5271142 Method for producing a sound-dampened automotive enclosure |