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