Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324) |
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04/28/1998 | US5743157 Method for making a strengthened spinner having integrally formed ribs |
04/28/1998 | US5742993 Method for making hollow workpieces |
04/21/1998 | US5740692 Apparatus for forming a container body from a sheet metal component |
04/21/1998 | US5740609 Method of making one-piece vehicle wheels and the like |
04/16/1998 | WO1998015369A1 Method of forming boss integrally with sheet metal |
04/16/1998 | DE19641316A1 Drawing tool, especially for progressive presses |
04/15/1998 | EP0835699A2 Hydraulic deep drawing apparatus |
04/15/1998 | CN1178729A Hydraulic deep-drawing device |
04/14/1998 | US5737958 Method for necking containers |
04/14/1998 | CA2100219C Controlled material flow hydroforming |
04/08/1998 | EP0834357A1 Forming and stamping machine with an additional forming device |
04/08/1998 | CN1178142A Method for moulding three dimension hollow workpieces without rags by cold forging |
04/07/1998 | US5735165 Bodymaker drive system |
04/07/1998 | US5735163 Press working method including step of strengthening local portion of blank |
04/07/1998 | US5735155 Method for manufacturing patterned tread plates |
04/01/1998 | EP0794844A4 System for constricting a tube wall |
03/31/1998 | US5732850 Draw-processing of can bodies for sanitary can packs |
03/31/1998 | US5732587 Metallic workpiece having to-be-ironed section and method for forming the same |
03/25/1998 | CN2276845Y Special pressure stretcher for solar water heater |
03/19/1998 | DE19744885A1 Female die for deep drawing |
03/19/1998 | CA2215784A1 A load-bearing shaped part and a method for manufacturing shaped parts |
03/18/1998 | CN2276383Y Capsule mould pin prelocking point stamping machine |
03/18/1998 | CN1176519A Motor case for miniature motors |
03/17/1998 | US5727410 Press-molding oil and method of manufacturing press-molded products by using the same |
03/12/1998 | WO1998009749A1 Method of fabricating shaft from metal plate |
03/12/1998 | WO1998009746A1 Modular pressure set and system for stamping press |
03/12/1998 | DE19711697A1 Forming machine with frame headstock and workholding tailstock |
03/11/1998 | CN1175766A Shaft machining apparatus |
03/11/1998 | CN1175658A Engine variable valve timing mechanism |
03/10/1998 | US5724929 Engine variable valve timing mechanism |
03/05/1998 | DE19635836A1 Procedure for installation of booster half-liner in braking system |
03/04/1998 | EP0826440A1 Apparatus for forming metal sections |
03/03/1998 | US5722282 Method of manufacturing a cup-shaped article |
03/03/1998 | US5722280 Two stage die set |
02/28/1998 | CA2213687A1 Equipment for shaping metal sections |
02/25/1998 | EP0824383A1 Process and pressing tools for joining tubular elements |
02/25/1998 | EP0804302A4 Improved lightweight ram for bodymaker |
02/19/1998 | WO1998006520A1 One-piece can bodies for pressure pack beverage cans |
02/19/1998 | DE19644401A1 Producing sharp-edged cavity in workpiece |
02/18/1998 | EP0824049A1 Spun-rolled pulley with thick hub and method of manufacturing thereof |
02/18/1998 | EP0824047A1 Process and device for creating a relatively sharpedged depression in a workpiece during internal pression forming |
02/17/1998 | US5718145 Machine for performing high speed stamping and forming operations |
02/17/1998 | US5718144 Dwell cam driver for stamping press |
02/17/1998 | US5718143 Method and apparatus for forming container end having annular panel with non-uniform radius of curvature |
02/17/1998 | US5718140 Method for manufacturing a rotationally symmetrical work-piece of steel |
02/12/1998 | WO1998005448A1 Method of manufacturing pulley of sheet metal for v-belts |
02/12/1998 | WO1998005445A1 Improved metal can and method of making |
02/10/1998 | US5715721 Floating forming die |
02/05/1998 | WO1998004504A1 Method for making a strengthened spinner having integrally formed ribs |
02/05/1998 | DE19724657A1 Compression forming process for rotary-symmetrical part |
02/05/1998 | CA2259917A1 Method for making a strengthened spinner having integrally formed ribs |
02/04/1998 | EP0821626A1 Process and apparatus for the manufacture of a cooking vessel by roll forming |
02/04/1998 | EP0821625A1 Improved rotary cup infeed |
02/04/1998 | CN1172445A Method for making flat components and resulting flat components |
01/29/1998 | WO1998003280A1 Apparatus and method for the registered embossing of containers |
01/29/1998 | WO1998003279A1 Tooling and method for the embossing of a container and the resulting container |
01/29/1998 | DE19732146A1 Internal spline cutting process |
01/29/1998 | DE19720666A1 Method for shaping sheet metal building profiles |
01/28/1998 | EP0820360A1 Temperature control during can body stamping |
01/28/1998 | EP0725727A4 Method of making machine-engraved seamless tube |
01/22/1998 | DE19728581A1 Deformation process to make component, especially for car bodywork |
01/21/1998 | CN1170782A Battery shell forming material, battery shell forming method and battery shell |
01/15/1998 | WO1998001654A1 Exhaust gas purification device for an internal combustion engine and method of producing the same |
01/15/1998 | WO1998001246A1 Shaped article of sheet metal having peripheral wall and method of increasing peripheral wall thickness |
01/15/1998 | DE19626692A1 Abgasreinigungsvorrichtung für einen Verbrennungsmotor sowie Verfahren zu ihrer Herstellung An exhaust purification device for an internal combustion engine as well as processes for their preparation |
01/14/1998 | EP0817689A1 Air bearing assist in pneumatic forming of thin foil materials |
01/13/1998 | US5706697 Process of and apparatus for ironing work for bolt and the same work for bolt |
01/13/1998 | US5706696 Modular pressure set and system for stamping press |
01/13/1998 | US5706686 Method and apparatus for inside can base reforming |
01/13/1998 | US5706685 Forming press having an elastic matrix |
01/08/1998 | DE19710193A1 Yoke for planetary gear starter e.g. for motor vehicle engine |
01/07/1998 | EP0815983A1 Hub, pulley and method |
12/31/1997 | CN1036840C Wall punched pull ring |
12/30/1997 | US5701777 Drawing method and apparatus |
12/23/1997 | US5700529 Seamless can and a method of producing the same |
12/18/1997 | DE19624036A1 Deep drawing of metal sheet materials |
12/17/1997 | EP0812649A1 Method of producing a hollow turbine blade and multiple effect furnace-press for carrying out the method |
12/17/1997 | CN1167841A Battery shell forming material and battery shell formed with same |
12/17/1997 | CN1167661A Device and method for physical stabilizing thin sheet |
12/16/1997 | US5697246 Pressing method and pressing apparatus for the same |
12/16/1997 | US5697155 Method of manufacturing a branched pipe by internal high-pressure forming |
12/16/1997 | CA2103928C Torque transmitting structure and method of manufacture |
12/11/1997 | DE19622799A1 Fixing sheet-metal blanks during cold-forming operations |
12/03/1997 | EP0693008B1 Stiffening bulging |
12/02/1997 | US5692634 Rigid packaging using gas-permeable membrane |
12/02/1997 | US5692409 Production of metal containers |
11/27/1997 | DE19720478A1 Sheet metal processing machine |
11/27/1997 | DE19713440A1 Rotation-symmetrical workpiece production method |
11/26/1997 | EP0809307A2 Battery can-forming plate and battery can |
11/26/1997 | EP0808224A1 Deep-drawing tool with integral holding-down device |
11/26/1997 | EP0777540A4 Wiping unit for ram of bodymaker |
11/26/1997 | CN2268590Y Spinning apparatus of gapless steel cylinder |
11/25/1997 | US5689992 Draw-processing of can bodies for sanitary can packs |
11/21/1997 | CA2205521A1 Battery can-forming plate and battery can |
11/20/1997 | DE19723557A1 Production of rotationally symmetric component |
11/20/1997 | DE19644166C1 Process for manufacturing durable machine knitting needles etc. |
11/19/1997 | EP0807984A1 Battery can-forming plate and battery can |
11/19/1997 | CN1165490A Machine for stamping, bending and assembling sheet metal parts |
11/18/1997 | US5687605 Wiping unit for ram of bodymaker |
11/17/1997 | CA2205613A1 Battery can-forming plate and battery can |