Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
04/2001
04/25/2001EP1093432A1 Can bottom having improved strength and apparatus for making same
04/25/2001CN1064869C Method and device for rounding axle sleeve
04/24/2001US6221299 Structuring process that stiffens and protects the surface of thin material webs
04/24/2001US6220073 Can bottom having improved strength and apparatus for making same
04/19/2001WO2001026840A1 Cold forging and method of manufacturing the cold forging
04/19/2001WO2001026837A1 Spinning device
04/19/2001WO2000078477A8 A tool and a method for pressure shaping
04/19/2001DE19947955A1 Verfahren zur Ermittlung der Reibungseigenschaften von Blech bei dessen Umformung und Meßapparatur zur Durchführung des Verfahrens Method for determining the friction properties of the sheet in forming and measuring apparatus for carrying out the method
04/19/2001DE19943250A1 Drawing tool for esp. seat pad frames for motor vehicles has bottom die with inserts of silicon nitride or zircon oxide in parts subjected to wear
04/18/2001EP1091815A1 Device and method for shaping flat articles
04/18/2001CN1291924A Process for production of can by wall ironing
04/18/2001CN1291557A Technology for manufacturing aluminium rim
04/18/2001CN1064742C Valve needle for electromagnetic valve and method of producing same
04/17/2001US6217811 Process and apparatus for vault-structuring of thin material sheets
04/17/2001US6216512 Method and apparatus for forming a processed portion of a workpiece
04/17/2001US6216508 Apparatus for dieless forming plate materials
04/12/2001DE19945635A1 Plate metal parts, preformed by hydraulic medium, are transformed preferably on press using lower tool with feed devices and accumulator chamber for hydraulic medium
04/12/2001DE19944722A1 Tool for transformation of workable metallic workpieces has at least one shape tool part with surface determining form of transformed material
04/12/2001DE10040973A1 Metal sheet deformation predicting method in stamping industry, involves calculating total stress for obtained strain increment by Mroz's hardening rule according to preset yield surface equation
04/11/2001EP1091204A2 Method, and corresponding measuring device, for determining the friction properties of metal sheets during the forming process
04/11/2001EP1089838A1 Method for producing vehicle wheels
04/11/2001CN2426393Y Rammer lifting mechanism for double-impact cold headers
04/11/2001CN1064282C Machine for stamping, bending and assembling sheet metal parts
04/11/2001CN1064281C Method and apparatus for deep stamping
04/11/2001CN1064280C Forming press having elastic matrix
04/11/2001CN1064267C Thin-wall steel pipe javelin and its forming process and equipment
04/10/2001US6212926 Method for spin forming a tube
04/04/2001CN1290197A Self-extruded bushing assembly and method for making the same
04/03/2001US6210630 Process for manufacturing a hollow turbomachine blade and a multiple-action furnace press for use in said process
04/03/2001US6210623 Circumferentially sealing a cavity between a platen and a mold supported on a table while pressurizing cavity with injected gas to cause sheet to conform to mold and reinforcing the seal with a pair of concentric retaining walls
04/03/2001US6209381 Method and system for chamfering and press therefor
03/2001
03/29/2001WO2001021339A1 Insert piece for a container holding a liquid which is to be heated or cooled, container having an insert piece of this nature, and process for forming an insert piece
03/28/2001EP1086864A2 Method for manufacturing a seat belt anchorage plate
03/28/2001CN2424857Y Improved screw forming mould
03/28/2001CN1289274A Application of dry lubricant to forming dies and forging dies
03/21/2001EP1085178A1 Emission system part and method of manufacturing the part
03/20/2001US6205366 Method of applying the radial return method to the anisotropic hardening rule of plasticity to sheet metal forming processes
03/15/2001WO2001017754A1 Method for providing textures on products
03/15/2001DE19581199C2 Belt fixture for seat belt assembly, and process for its prodn
03/15/2001DE10036779A1 Locking device is for simple or double-acting press for high pressure shaping, with ram moving upwards and downwards and lockable by cross-bar in shaping position
03/15/2001DE10031878A1 Internally cogged element has first cylinder section and second cylinder section with larger diameter and with internal cogged areas protruding from inner circumferential surface
03/15/2001CA2383852A1 Method for providing textures on products
03/14/2001CN2423042Y Copper sealing up surface connection forming device
03/14/2001CN1287038A Digitally controlled mold-free plate molding machine
03/14/2001CN1287033A Non-seam liquefied petroleum gas container and its producing method
03/13/2001US6199419 Method for manufacturing a dome from an undersized blank
03/08/2001WO2001015829A1 Production method for bottle type can and form-working tool
03/08/2001DE19941776A1 Verfahren und Vorrichtung zur Verbindung mehrerer Bauteile Method and apparatus for connecting a plurality of components
03/08/2001DE19939504A1 Verfahren zur Betätigung einer Umformpresse A method of operating a forming press
03/07/2001EP1080804A1 Method of joining workpieces and workpiece provided with a fastner
03/06/2001US6196043 Double vee lockbead for sheet metal forming
03/06/2001US6196040 Negative angular forming die and pressing apparatus
03/01/2001WO2001014078A1 Method for operating a forming press
02/2001
02/28/2001EP0984837B1 Method and device for producing a one-piece vehicle wheel
02/28/2001CN2421096Y Stamping mechanism for wire end stamping machine
02/28/2001CN2421095Y Hand-operated angle shearing machine
02/21/2001CN1062199C formation method for casing of metal container
02/20/2001US6189361 Tool for forming protrusions in material by cutting and deforming
02/20/2001US6189357 Apparatus and process for forming vehicle wheel rims
02/15/2001DE19938452A1 Multi-sectional drawing tool of die-casting zinc alloy for sheet steel has additional galvanic surface coating of chromium-containing material
02/14/2001EP1075882A2 Locking device for hydraulically operated presses
02/13/2001US6185977 Method for the production of a sheet metal part by forming
02/08/2001DE19935714A1 Conversion forming for parting or perforating centers round elastomer bladder inserted in workpiece and increasingly pressurised.
02/07/2001EP1074319A2 Apparatus for pressing a metal plate into a desired shape
02/01/2001WO2001007181A1 Sheet metal member and method of manufacturing the member
02/01/2001WO2001007179A1 Method for making a tubular element and resulting tubular element
01/2001
01/31/2001EP1073059A1 Method of press-working frame plate on which disk driving motor is arranged
01/30/2001US6178796 Device and method for shaping flat articles
01/24/2001EP1069961A1 Self-extruded bushing assembly and method of making the same
01/23/2001US6176013 Method for fabricating a seamless H.V.A.C. trunk line adaptor
01/18/2001DE10029005A1 Fabrication process to form transmission part with hub from round blank, clamped in tool by pressing edge section against tool and simultaneous expansion by ring-shaped tool part
01/17/2001EP1068909A1 Base forming
01/17/2001CN1060693C Device for working cup shape circular edge piece
01/17/2001CN1060692C Stretch controlled forming mechanism and method for forming metal blanks
01/16/2001CA2073650C Two stage die set
01/11/2001DE19931100A1 Deep drawing die consists of separate parts for forming die surface, with detachable shell mold
01/11/2001DE19930850A1 Numerically controlled edge machining machine for out-of- round workpieces, has positioning of processing rollers and vertical orientation of working rollers carried out via numerical control
01/09/2001US6170313 Process to produce indentations in tubes together with the tube produced by the use of this process
01/04/2001DE19926917A1 Deforming tool for sheet cutout, with edge resting element movable toward one edge of cutout and able to rest against this edge
01/03/2001EP1065711A2 Method of manufacturing a plated electronic termination
01/03/2001EP1065016A1 Method of manufacturing a hollow shaft having a flange at one end thereof
01/03/2001EP1064469A1 Strut for planar one-way clutch
01/03/2001EP1064118A1 Method and apparatus for producing beneficial stresses around apertures by the use of focused stress waves
01/03/2001EP0804302B1 Improved lightweight ram for bodymaker
01/02/2001US6167742 Drawing and coining die for manufacturing metal containers and the like
01/02/2001US6167741 Noise-reducing structure of a processing machine
12/2000
12/28/2000WO2000078477A1 A tool and a method for pressure shaping
12/28/2000DE19928422A1 Presse zum Außenhochdruckformen Press for external compression molding
12/28/2000DE19927064A1 Method of pressing sheet metal blanks has edge of blank clamped to die which is filled with pressure fluid to support it during deformation
12/27/2000EP1063028A1 Press for external hydroforming
12/27/2000EP1062441A1 Method for making a metal cylinder sleeve
12/26/2000US6165640 Battery can-forming plate and battery can
12/21/2000WO2000076748A1 Method for applying three-dimensionally formed sheets to complex surfaces
12/21/2000WO2000076684A1 Ironing die for resin coated metal sheet and ironing method using the ironing die
12/20/2000EP1060040A1 Process for the production of a can by wall ironing
12/20/2000CN1277079A Cylindrical part forming process analytical method
12/20/2000CN1059614C Die assembly for plural kinds of works
12/14/2000DE19926906A1 Control of the sheet clamping force during mechanical or hydraulic sheet forming processes by spreading of the clamping and drawing forces over the surface of the sheet being worked
12/14/2000DE19926143A1 Verfahren zur Applizierung dreidimensional verformter Folien auf komplexen Oberflächen Procedures for administering three-dimensional deformed films on complex surfaces
12/13/2000EP1059128A1 Gas cylinder fabrication