Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
09/1996
09/22/1996CA2172227A1 Method for making a metal box
09/18/1996EP0731738A1 Drawn and ironed cans of a metal-plastic construction and their fabrication process
09/17/1996US5555761 Bodymaker tool pack
09/12/1996DE19529881C1 Deep drawn sheet steel for vehicle external body
09/11/1996EP0730919A2 Method of and apparatus for deep drawing
09/11/1996CN1130933A Valve needle for electromagnetic valve and method of producing same
09/05/1996DE19524089C1 Method of mfg. gear part of thin metal disc
08/1996
08/28/1996CN2233794Y Moulding machine for metal archy corrugated roof plate
08/27/1996US5548885 Method of manufacturing stator for stepping motor
08/22/1996WO1996025254A1 Coated aluminium foil with improved cold forming capability and package produced by using this aluminium foil
08/22/1996WO1996017700A3 Wall thickness distribution in the opening section of cans
08/22/1996DE19504649C1 Drawing method for stretch-forming of metal panels
08/22/1996CA2187919A1 Coated aluminium foil with improved cold forming capability and package produced by using this aluminium foil
08/21/1996CN2233293Y Cylinder making machine
08/21/1996CN1129412A Formation method for casing of metal container
08/15/1996WO1996024449A1 Deep-drawing tool with integral holding-down device
08/15/1996WO1996024448A1 Process for the production of a valve housing
08/14/1996EP0726186A1 Belt fixture for seat belt assembly and process for production thereof
08/14/1996EP0726105A1 Mechanism and method for forming blanks
08/14/1996EP0726104A2 Pressing method and pressing apparatus for the same
08/14/1996EP0726103A1 Method of manufacturing a valve body
08/14/1996EP0725727A1 Method of making machine-engraved seamless tube
08/14/1996EP0725693A1 Method for the non-cutting production of a transmission component hub
08/14/1996DE19605645A1 Mfg. machine component with outer toothing
08/14/1996DE19602298A1 Method of mfr. of a vehicle wheel from circular blank by radial upsetting
08/14/1996DE19545890A1 Mfg. workpiece with hub on shaping or pressure rolling machines
08/14/1996DE19504264A1 Mfg. deep-drawing tools
08/13/1996US5544517 Method of redrawing a predrawn coated metal can
08/08/1996DE19545177A1 Rolling process for workpieces
08/08/1996DE19545176A1 Forming method for rotary-symmetrical workpieces
08/08/1996DE19503874A1 Tiefziehwerkzeug mit integriertem Niederhalter Deep drawing tool with integrated low-holders
08/07/1996EP0724921A1 Tubular housing, in particular for a pump
08/06/1996CA2105604C Seamless cylinder shell construction
07/1996
07/30/1996US5540075 Method and apparatus for shock release of thin foil materials
07/25/1996WO1996022168A1 Method and device for cold forming dished ends
07/24/1996EP0722792A1 Method of sequentially manufacturing hollow knock pins
07/24/1996CN1127172A Making method and technical equipment for comb of noodle rolling machine
07/18/1996DE19544665A1 Acoustic damping sheet plate for use in machinery
07/17/1996EP0721815A1 Can forming apparatus
07/17/1996EP0721384A1 Method of forming a metal container body
07/11/1996WO1996020991A1 Process for cold-forming circular aluminium blanks
07/11/1996WO1996020799A1 Method for making flat components, and resulting flat components
07/11/1996DE19500267A1 Verfahren zur Kaltumformung von Aluminiumronden A method for cold forming of aluminum blanks
07/10/1996EP0720691A1 Valve needle for an electromagnetic valve and method of producing the same
07/09/1996US5533376 Method for preparing a tubular blank having a thick wall for a following cascade drawing operation
07/09/1996US5533372 Controlled material flow hydroforming
07/09/1996US5533261 Method for producing a vehicle wheel
07/04/1996WO1996020050A1 Method of manufacturing internally geared parts
07/04/1996DE4446919A1 Verfahren zur Herstellung von innenverzahnten Teilen A process for producing internally toothed parts
07/04/1996CA2209121A1 Method of manufacturing internally geared parts
07/04/1996CA2166443A1 Tubular housing, in particular for a fuel pump
06/1996
06/27/1996WO1996019912A1 An environmentally desirable method of manufacturing printed circuits, printed circuits made thereby and associated apparatus
06/26/1996EP0718054A1 Forming press with an elastic die
06/25/1996US5529239 Spherical lng-tank and a production method for such a tank
06/20/1996DE4443434A1 Wanddickenverteilung im Dosenmündungsabschnitt Wall thickness distribution in the can opening section
06/18/1996US5528001 Circuit of electrically conductive paths on a dielectric with a grid of isolated conductive features that are electrically insulated from the paths
06/13/1996WO1996017700A2 Wall thickness distribution in the opening section of cans
06/12/1996EP0716363A2 Machine tool equipped with marking apparatus
06/12/1996EP0715909A2 Method and apparatus for press-forming a tubular container
06/12/1996EP0715908A2 Method of manufacturing a cup-shaped article
06/05/1996EP0714714A2 Method for press-forming a tubular container
06/05/1996CN2228386Y Index lathe and planer tool
06/04/1996US5522248 Method of forming a metal container body
06/04/1996US5522133 Coining method for bonding pad surface
05/1996
05/30/1996DE4442465A1 Verfahren zum Herstellen eines Fahrzeugrades im Fließdrückverfahren A method of manufacturing a vehicle wheel in the flow-forming process
05/29/1996EP0713761A1 Method and apparatus for changing diaphragm in a pressure cell type press
05/28/1996US5519934 Method and apparatus for local forming of brittle material
05/21/1996US5517759 Method of making a variable off-set full face wheel
05/15/1996EP0711212A1 Method for producing a full face fabricated vehicle wheel
05/09/1996WO1996013347A1 System for constricting a tube wall
05/09/1996DE19513634A1 Method of mfg. rotationally symmetrical steel workpiece
05/09/1996DE19513633A1 Pressure roller for cutting oblique slots in rotationally symmetric workpieces
05/09/1996CA2202681A1 System for constricting a tube wall
05/02/1996WO1996012576A1 Method and apparatus for shock release of thin foil materials
05/01/1996EP0709552A2 Temperature control in an ultra light engine valve
04/1996
04/25/1996DE4437212A1 Flow turning machine used in the mfr. of rotationally symmetrical sheet metal components
04/24/1996CN1031628C Die for local reducing of metal tube
04/18/1996DE4436515A1 Method for producing an externally toothed gear unit for the motor-car industry
04/17/1996EP0505562B1 Fabricating one-piece can bodies with controlled sidewall elongation
04/16/1996CA2095679C Aluminum plate excellent in formability
04/11/1996DE19536036A1 Index feed machining system, e.g. for stamping, bending and cold drawing processes.
04/09/1996US5505071 Apparatus and method for retention of thin foils during forming
04/09/1996US5505068 Method and apparatus for shaping hollow-section workpieces
04/04/1996DE4435070A1 Hydraulic deep drawing press for the prodn. of sinks, esp. double sinks
03/1996
03/27/1996CN1119136A Method for starting continuous casting in continuous slab casting and method for setting a dummy bar prier to the start of casting of continuous slab casting
03/26/1996US5501092 Die-punch machine
03/26/1996CA2104062C Spin flow necking cam ring
03/20/1996CN1118721A Press forming device
03/13/1996EP0700735A2 Press working method including step of strengthening local portion of blank
03/13/1996EP0700323A1 Radial extrusion process combined with inside tube ironing
03/13/1996CN2222017Y Die for pipe working
03/07/1996WO1996006760A1 Belt fixture for seat belt assembly and process for production thereof
03/07/1996WO1996006697A1 Constant volume hydraulic stamping method
03/07/1996DE4431500A1 Method and appts. for producing rotationally symmetric metal workpiece by spinning
03/07/1996CA2197318A1 Constant volume hydraulic stamping process
03/06/1996EP0699516A1 Diaphragm for pressure cell type forming press and method for its manufacture
03/06/1996EP0699489A1 Method of forming thin plate and its forming die
03/06/1996EP0364596B1 METHODS FOR PRODUCING Zn-Ni ALLOY-PLATED STEEL SHEET HAVING EXCELLENT PRESS MOLDABILITY
03/06/1996CN1118150A Container end closure
02/1996
02/29/1996WO1996005923A1 Wiping unit for ram of bodymaker