Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
11/1998
11/19/1998DE19819950A1 Combination press
11/18/1998EP0800426B1 Method for making flat components, and resulting flat components
11/11/1998CN1198693A Method of molding cylindrical portion of cylindrical material of sheet metal
11/11/1998CN1198692A Method of manufacturing pulley of sheet metal for V-belts
11/11/1998CN1198691A Method of molding cylindrical portion of central bore-carrying sheet metal
11/05/1998DE19718212A1 Tool for drawing sheet metal blanks
10/1998
10/29/1998DE19717953A1 Hydromechanical reverse-drawing method for sheet-metal
10/21/1998EP0649354B1 Two stage die set
10/20/1998US5823031 Method and apparatus for bulge forming and bending tubes
10/15/1998DE4294860C2 Mfr. of rotary member from metal sheet
10/13/1998US5819579 Forming die for manufacturing printed circuits
10/13/1998US5819572 Lubrication system for hot forming
10/08/1998WO1998044247A1 Muffler and its manufacturing method
10/08/1998WO1998043757A1 Forming drawn container bodies
10/07/1998EP0868951A2 A method of producing metal cans and metal cans produced thereby
10/07/1998CN1195306A Method and device for producing pressure-rolled pipes with thickened inner wall sections at ends
10/07/1998CN1195305A Method of forming relatively hard materials
10/01/1998DE19814361A1 Method for producing corner zone of torque converter component
09/1998
09/30/1998CN2292621Y Sheet die with three-layer die holder structure
09/29/1998US5813266 Method of forming and piercing a tube
09/24/1998WO1998041338A1 Tool for working shaped, hollow metal tubing to achieve an end reduction
09/24/1998DE19814854A1 Drive device for shaping machine
09/24/1998CA2283734A1 Tool for working shaped, hollow metal tubing to achieve an end reduction
09/22/1998US5809819 Reinforcement member for the reinforcement of concrete structures and method and device for manufacturing this reinforcement member
09/22/1998US5809649 Method for the manufacture of a machine part having external toothing
09/15/1998US5806358 Method and apparatus for the manufacture of a workpiece having a boss
09/11/1998WO1998039116A1 Progressive deep-drawing machine
09/10/1998DE19709513A1 Production of shaped components from sheet metal blanks joined to one another
09/08/1998US5802907 Tooling apparatus and method for high speed production of drawn metal cup-like articles
09/02/1998CN1191781A Formed part having multiple-plate structure of zonal design
09/01/1998US5799525 Tooling and method for the embossing of a container and the resulting container
08/1998
08/27/1998WO1998036858A1 Method for producing without cutting a gear part having a hub
08/26/1998EP0860219A1 An apparatus for working a workpiece
08/25/1998US5797292 For use in forming desired surface contours
08/25/1998US5797150 Seamless stainless steel sink bowl with a grid ledge
08/20/1998WO1998035769A1 Tooling and method for forming a container
08/20/1998DE19706466A1 Verfahren zur spanlosen Herstellung eines eine Nabe aufweisenden Getriebeteiles Method for cutting production of a hub having a transmission part
08/20/1998CA2229824A1 An apparatus for working a workpiece
08/19/1998EP0858847A1 Thin sheet forming dies
08/19/1998CN1039524C Device for forming seal ends symultaneously at two ends of working piece
08/12/1998EP0857526A1 Blank for plastic deformation, at least part of which is double-skinned
08/11/1998US5791186 Press working method for plate material and press working apparatus using the same
08/06/1998DE19758003A1 Vehicle chassis linked with secondary structure
08/05/1998EP0821625A4 Improved rotary cup infeed
08/05/1998CN2287063Y Mould for pressing air valve clasp
07/1998
07/30/1998DE19802380A1 Method of forming key on sheet metal part
07/30/1998DE19702636A1 Tool for deep drawing sheet metal parts
07/23/1998WO1998031485A1 Tailored blank
07/23/1998WO1998025713A3 Method of forming and piercing a tube
07/21/1998US5782122 Spinning roller for splitting a rotationally symmetrical workpiece
07/16/1998DE19801491A1 Production of hollow workpieces by cross-rolling
07/16/1998DE19700871A1 Producing hub of road vehicle steering wheel
07/14/1998US5778722 Method of producing seamless cans
07/14/1998US5778721 Tooling machine for reshaping workpieces
07/08/1998CN1187153A Improved rotary cup infeed
07/07/1998US5775215 Machine tool equipped with marking apparatus
07/07/1998US5775160 Redraw mechanism for can body maker apparatus
07/07/1998US5775151 For forming a product
07/02/1998WO1998028097A1 Method for the production of a sheet metal part by forming
07/02/1998DE19705704C1 Centrifuge-drum plate
07/01/1998EP0851200A2 Process for arranging tabs and/or projections on a thin sheet and thin tube of rectangular cross section
07/01/1998EP0850114A1 Method and device for producing pressure-rolled pipes with thickened inner wall sections at the ends
06/1998
06/30/1998US5772801 Process for the forming of metal alloy wheel rims
06/30/1998US5771730 Equipment for forming metal profiles
06/30/1998US5771729 Precision deep peening with mechanical indicator
06/30/1998CA2164999C Stretch controlled forming mechanism and method for forming metal blanks
06/30/1998CA2020691C Electrode embossed with central vertical circulation channel and upwardly directed channels
06/25/1998WO1998026885A1 Micro-replication in metal
06/25/1998CA2275510A1 Micro-replication in metal
06/18/1998WO1998025714A1 Method for spin forming articles
06/18/1998WO1998025713A2 Method of forming and piercing a tube
06/18/1998DE19651937A1 Embossing of thin sheet material to produce e.g. reinforced sections, reflectors, etc.
06/17/1998CN1185125A Process and apparatus for mfg. cooking vessel by roll forming
06/16/1998US5768395 Double ended field coil actuator
06/10/1998CN1184246A Heat exchanging fin and die-punch set for manufacturing the same
06/09/1998US5762196 Stackable drawn pieces
06/09/1998US5761949 Deep-drawn stamping process including side piercing
06/02/1998US5758536 Device and method for cold forging double cylindrical pulley
06/02/1998US5758532 To form a hollow product with a desired wall thickness of a rotating chuck
05/1998
05/28/1998WO1998022239A1 Integral structure of sheet material and cylindrical member and production method thereof
05/27/1998CN2282467Y Stamping bending shaper for plate metals
05/26/1998US5755129 Press-forming method of a sheet and apparatus therefor
05/20/1998DE19646122A1 Hold-down for segmental control of material flow in deep drawing, and method of controlling hold-down force
05/19/1998US5753328 Polyester-metal laminated sheet and seamless cans using the same
05/13/1998EP0841107A1 Process for manufacturing by cold spinning a workpiece made of inconel 718 alloy
05/13/1998CN1181721A Method for jointing metal parts by roll forming for mfg. of for instance a cooking vessel
05/12/1998US5750222 Seamless can with necked-in portion
05/12/1998US5749258 Tooling and method for forming a container
05/12/1998US5749254 Air bearing assist in pneumatic forming of thin foil materials
05/07/1998WO1998018582A1 Method of producing a hub without cutting
05/06/1998EP0839593A1 Method of making a hollow revolution part by fluoturning and piece obtained by this method
05/06/1998EP0839077A1 Base forming of can bodies
05/06/1998EP0839076A1 Method of forming relatively hard materials
05/05/1998US5747432 Press molding oil and method of manufacturing press-molded products by using the same
05/05/1998US5746082 Thin sheet forming die assembly including lower die cylindrical member having varied diameters
05/05/1998US5746079 Method for the production of a valve housing
04/1998
04/30/1998DE19712664A1 Deep drawing press
04/29/1998EP0838545A2 Knitting tool for textile machines and method for its manufacturing
04/29/1998EP0837746A1 Base forming station
04/28/1998US5744175 Device for expanding rotationally symmetrical shaped parts