Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
06/2000
06/14/2000CN1256178A Cylinder mouth reducer
06/07/2000CN1255881A Appts. for dieless forming plate materials
06/06/2000US6071205 Multi-stepped pulley, method of manufacturing same, and apparatus for manufacturing same
06/06/2000US6070616 Process for mounting lugs and/or projections on a thin metal sheet and a thin metal sheet having lugs and/or projections as well as a rectangular tube made of thin metal sheets
06/06/2000US6070447 Base forming station
06/02/2000WO1998056573A9 Shaped multilayer metal foil shield structures and method of making
05/2000
05/31/2000EP1004333A1 Super-elastic golf head made of shape memory alloys and its manufacturing process and apparatus
05/31/2000EP1003981A1 Hydraulic control clutch device equipped with a guide tube and method for producing such a tube
05/31/2000DE19956463A1 Fabrication process for curved metal tube for heat exchangers etc. with bent tube with one curved and several straight sections formed to size in mold
05/31/2000DE19853130A1 Deep-drawing method for complex sheet metal parts has bottom die with integral slide to apply constant pressure against drawing punch and give controlled material flow
05/31/2000CN1052929C Method for starting continuous casting in continuous slab casting
05/30/2000US6067833 Method and apparatus for forming an end portion of a cylindrical member
05/25/2000WO2000029918A1 A method of modeling the forming of anisotropic sheet
05/25/2000DE19853366A1 Vorrichtung und Verfahren zum Umformen Apparatus and method for transforming
05/24/2000EP1002595A2 Method and device for forming a workpiece
05/23/2000US6065576 Strut for planar one-way clutch
05/18/2000WO2000027563A2 Metal forming apparatus and method of use
05/16/2000US6061892 Method for joining metal parts by roll forming for manufacturing a cooking vessel
05/11/2000WO2000025954A1 Spindle mechanism of drawer
05/09/2000US6060155 Polymeric forming tool
05/09/2000US6058753 Can base reforming
05/03/2000EP0997210A2 Method of manufacturing of disc-shaped objects with hub and pressure roll for realising this method
05/03/2000EP0997206A1 Method of making a hub or a shaft
05/02/2000CA2027101C A drawing apparatus in drawing stages of presses
04/2000
04/26/2000EP0995511A2 Layered material and method for manufacturing same
04/26/2000CN2375394Y Two-point type double-toggle-joint mechanism
04/20/2000DE19857480A1 Drawing tool for drawing sheet components, comprises membrane plates movable perpendicular to their surface stretching direction
04/18/2000US6050121 Hybrid methods of metal forming using electromagnetic forming
04/18/2000US6050120 Hybrid matched tool-electromagnetic forming apparatus
04/13/2000WO2000020143A1 Fluid form
04/13/2000DE19845186A1 Fluidform Fluid form
04/12/2000EP0992300A2 Process for stretch forming age-hardened aluminium alloy sheets
04/11/2000US6048628 Multiple-plate structure of zonal design for a shaped part
04/11/2000US6047587 Apparatus for a toolpack cradle for the extrusion of aluminum cans
04/11/2000US6047582 Hybrid matched tool-electromagnetic forming apparatus incorporating electromagnetic actuator
04/06/2000DE19842750A1 Deep-drawn hollow part or tool manufacture comprises placing sheet holder against die, moving drawing punch, bringing punch against die and separating punch and die
04/04/2000US6044676 Method for making hollow workpieces
03/2000
03/30/2000WO2000016924A1 Production method for double-structure container
03/29/2000EP0989316A1 Torque transmitting member in automotive transmission, method for forming spline teeth, and apparatus for forming the same
03/22/2000EP0987070A1 Press for embossing of plates, in particular motor vehicle licence plates
03/21/2000US6038910 Method and apparatus for forming tapered metal container bodies
03/21/2000US6038901 Method and device for producing press-rolled pipes with inner wall thickenings at the ends
03/21/2000CA2184397C Flexible press
03/16/2000WO2000013815A1 Process for the production of can bodies, of filled and closed cans from can bodies of this nature, as well as a metal can body
03/15/2000EP0984837A1 Method and device for producing a one-piece vehicle wheel
03/15/2000EP0907824B1 Exhaust gas purification device for an internal combustion engine and method of producing the same
03/08/2000CN2367408Y Blanking machine for building decorations
03/07/2000US6033499 Process for stretch forming age-hardened aluminum alloy sheets
03/07/2000US6032505 Tooling apparatus and method for high speed production of drawn metal cup-like articles
03/07/2000US6032504 Draw stamping die for stamping body panels for motor vehicles
03/02/2000DE19837369A1 Acoustic crack detection during deep drawing using probes to pick up signals from different parts of the workpiece
02/2000
02/29/2000US6029486 Forming method, forming tools and elastic punch
02/24/2000WO2000009274A1 Hybrid matched tool-electromagnetic forming apparatus incorporating electromagnetic actuator, methods of use and article made therefrom
02/23/2000CN2364991Y Aluminium alloy section bar punching machine
02/22/2000US6026670 Apparatus for use in forming can bodies
02/22/2000US6026666 Method for manufacturing internally geared parts
02/17/2000DE19836801A1 Press to produce number plates for motor vehicles has magazines with holders for punching tools, and vertical and horizontal drives for tool position/retraction
02/16/2000CN2363806Y Rotary wheel seat adjusting mechanism
02/16/2000CN1244823A Tailored blank
02/15/2000US6023836 Method of forming a shaft fixing aperture in a plate-like carrying member
02/14/2000CA2280319A1 Press for the stamping of plates, particularly vehicle license plates
02/09/2000EP0978891A2 Multiple uneven plate, multiple uneven plate bending mold, multiple uneven plate manufacturing method and separator using multiple uneven plate
02/03/2000WO2000005007A1 Spinning processing method and apparatus therefor
02/03/2000DE19833658A1 Method for forming ships plates to individual shapes has press tools formed from separate, individually set, punches covering the entire area of the plate
02/02/2000CN1048928C Three-dimension hollow rag-free cold forging formation method
02/01/2000US6018977 Method of forming a cylindrical boss and a die therefor
02/01/2000US6018972 Method and apparatus for forming an end portion of a cylindrical member
01/2000
01/26/2000EP0974410A2 Machine with hydraulically controlled counterpressure holding element
01/26/2000EP0974409A1 Method of notching tubes and tubes obtained by such a method
01/26/2000CN1242488A Collar type flexible pipe joint clamp, and process for mfg. same
01/25/2000US6016680 Silent structure for a drawing die and a silent run-up unit therefor
01/20/2000DE19915027A1 Forming gear element for starter motor, and resultant gear element, with successively diminishing wall thickness of element obtained by combined radial and axial motion of at least one adjustable roll of pressure rolling machine
01/20/2000DE19831932A1 Rotationsumformmaschine mit verbessertem Umformverhalten Rotationsumformmaschine with improved formability
01/19/2000EP0972915A1 Muffler and its manufacturing method
01/19/2000EP0972585A2 Rotary forming machine with better forming behaviour
01/19/2000CN2359025Y Automatic high-efficient corrugation forming device for producing corrugation stuffing
01/19/2000CN1241459A Runner structure for punch
01/18/2000US6014883 Apparatus and method for forming cup-shaped members
01/13/2000WO1999047303A8 Method and apparatus for producing beneficial stresses around apertures by the use of focused stress waves
01/13/2000DE19931932A1 Chamfering routine with work feed handles sheet between top and spring-supported bottom tool as plungers in two-sided chamfer press.
01/12/2000EP0970765A2 Method for forming a workpiece by flow-turning
01/12/2000EP0970764A1 Apparatus for dieless forming plate materials
01/12/2000CN2357853Y Equipment for producing corrugated filling material
01/12/2000CN1241151A Micro-replication in metal
01/12/2000CN1240683A Device for embossing foil, application of device, method for its manufacture, and method for operation of the device
01/12/2000CN1048312C Ultra light IC engine valve and its making method
01/11/2000US6012318 Method of producing a sheet metal pulley for a V belt
01/09/2000CA2275559A1 Method for forming a workpiece by flow-forming
01/05/2000EP0969219A2 Clutch disc
01/04/2000CA2276264A1 Disk assembly
12/1999
12/29/1999WO1999067042A1 Method for producing vehicle wheels
12/28/1999US6009378 Method of applying an anisotropic hardening rule of plasticity to sheet metal forming processes
12/28/1999US6006578 Die for drawing molded sheet metal parts
12/28/1999US6006577 Stackable drawn pieces and process and apparatus for manufacture thereof
12/28/1999US6006569 Method for manufacturing a dome from an undersized blank
12/28/1999US6006564 Application of dry lubricant to forming dies and forging dies that operate with high force
12/28/1999CA2132049C Redrawing method
12/23/1999WO1999066226A1 Hydraulic control clutch device equipped with a guide tube and method for producing such a tube
12/23/1999DE19827614A1 Producing deep-drawn workpieces
12/21/1999US6003359 Progressive deep-drawing machine