Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 37 - Tools as parts of machines covered by this subclass
Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804)
11/2008
11/27/2008CA2785962A1 Die for punching sheet metal and sheet metal punching apparatus having the die
11/26/2008CN201154377Y Mold for gradedly pressing plates of super-sized plate heat exchanger
11/26/2008CN201154376Y Forming mold for bar material of cemented carbide
11/26/2008CN201154375Y Die and screw manufactured thereby
11/26/2008CN201154372Y Equipment for producing pipe joints
11/26/2008CN101310916A Production method of reinforcing ring of vehicle rear-axle housing and special bending mould
11/26/2008CN101310891A Device and method for scarfing components
11/26/2008CN101310886A Method and device for producing pipe connections
11/26/2008CN100436046C Device for replacing grip device
11/26/2008CN100435996C Micro channel making equipment and process
11/25/2008US7454944 Quick change over apparatus for machine line
11/25/2008US7454936 Method and device for forming an essentially flat metal blank to produce a thin-walled, shell-type body, and the use of same
11/20/2008WO2008140122A1 Thin plate press molding device and thin plate press molding method
11/20/2008US20080282757 Device for hydroforming metal elements
11/20/2008DE102007023269A1 Drawing tool for production of 3-dimentional sheets, especially of body structural parts, has functional surface and at least one profiled fillet, is useful in motor vehicle body production, is simple to produce and shortens clock time
11/19/2008EP1992427A1 Device and method for hydroforming metal elements
11/19/2008CN201150971Y Connector for metal plate and strip
11/19/2008CN201150970Y Mould position confirmation device in tube end forming machine
11/19/2008CN201150969Y Forming mould for eaves at angles of railway carriages
11/19/2008CN201150968Y Semi-cutting and bending simultaneous forming structure
11/19/2008CN201150967Y Punching mould
11/19/2008CN201150963Y Cylinder and cone whole compression mould
11/19/2008CN101306453A Geared roller die device
11/19/2008CN101306452A Forming die of porous flanging stamping procedure and forming method thereof
11/19/2008CN101306451A Pressure-tunable plate gradual shaping pressure head and shaping device thereof
11/19/2008CN101306449A Method of shear spinning the metal round plate material end face into revolution body
11/19/2008CN101306448A Sheet metal rigid particles or compressible powder half-module shaping technique
11/19/2008CN101306447A Hot-extrusion production method of porous anchor slab
11/19/2008CN101306444A Process for simultaneously heat transmission elements of two or three kinds of ripples
11/18/2008US7451630 Heat treatment strategically strengthened door beam
11/18/2008CA2494371C Ram guidance system
11/18/2008CA2357854C Sheet hydroforming process and system for its implementation
11/13/2008US20080279715 Method For Producing Magnesium Alloy Plate And Magnesium Alloy Plate
11/12/2008EP1990109A1 Hot-forming die, press-forming device, and hot press-forming method
11/12/2008EP1989010A1 Method of working in pressing dies using marking paint
11/12/2008CN201147811Y Die lubrication apparatus of numerical control turret punch press
11/12/2008CN201147810Y Self-heating type superplastic gas bulging forming die for alloy sheet
11/12/2008CN201147809Y Combined type restructrable flexible die shape-regulating unit
11/12/2008CN201147808Y Novel turret of numerical control turret punch press
11/12/2008CN201147807Y Mould clamping device of large-tonnage bending machine
11/12/2008CN201147806Y Large angle compact inclined wedge mechanism for punching
11/12/2008CN201147805Y Combined type restructurable flexible cover stretch forming die
11/12/2008CN201147804Y Roller
11/12/2008CN201147797Y Hot pressing apparatus for curved face sheet
11/12/2008CN201147782Y Leveling apparatus for metal matrix printed board
11/12/2008CN101304824A Eccentric rotary stamping apparatus and method of forming moving sheet metal
11/12/2008CN101301670A Container top board forming mold
11/12/2008CN100431733C Hydraulic expansion forming process
11/06/2008WO2008089400A3 Method and apparatus for connecting piping
11/05/2008EP1924371B1 Device for assembling machine components using adiabatic energy change
11/05/2008CN201143548Y Cold stamping processing device of crankshaft multiple spline teeth
11/05/2008CN201143547Y Aerosol pot cover automation production device
11/05/2008CN201143541Y Sliding wedge mechanism
11/05/2008CN201143540Y Self-lubricating mold guide pillar
11/05/2008CN201143539Y Device for clamping mold core of clicking die
11/05/2008CN201143538Y Multi-station aerosol can cover automatic press forming mold
11/05/2008CN201143537Y Mould device of cold-punching mould
11/05/2008CN201143535Y Push rod hydraulic balancing device of vehicle exterior cladding element draw forming mould
11/05/2008CN201143515Y Novel lightweight steel shape contoured roll
11/05/2008CN101300091A Method for forming image pattern on surface of metallic glass member, apparatus for forming image pattern, and metallic glass member having image pattern on its surface
11/05/2008CN101298089A Pipe-expansion mold
11/05/2008CN101298088A Pipe-reduction mold
11/05/2008CN101298086A Simple stretch forming method of parts
10/2008
10/29/2008EP1985390A1 Tools with a thermo-mechanically modified working region and methods of forming such tools
10/29/2008EP1984143A2 Cartridge for machine tool
10/29/2008CN201140252Y Ring shaped refrigerating device
10/29/2008CN201140251Y Fast fixture for mould
10/29/2008CN201140250Y Gas-liquid voltage stabilizer for blanking deep-drawing
10/29/2008CN201140249Y Multi-azimuth press cutting jig
10/29/2008CN201140248Y Bend pipe punching apparatus
10/29/2008CN201140244Y Bend pipe mould apparatus
10/29/2008CN101297056A Titanium stretch forming apparatus and method
10/29/2008CN101293264A Bead forming unit for press
10/29/2008CN101293263A Processing method for multi-station automatic stretch and punch press employing the same
10/29/2008CN101293261A Support roll for flattener
10/29/2008CN100429015C Metal mould for producing polyhedral wall can and said mould and method for producing the can
10/29/2008CN100429013C Portable semi-automatic processing machine of plate with curved surface
10/28/2008US7442023 Molding tool
10/23/2008US20080257007 Method and apparatus for forming a blank as a portion of the blank receives pulses of direct current
10/23/2008DE102007018281A1 Tool for hydroforming, comprises tool base body with suitable deformation chamber for hydroforming, and heating unit is provided for heating of deformation chamber
10/22/2008CN201136024Y Material conveying structure
10/22/2008CN201136023Y Mould for simmer bending curve angle-bar piece
10/22/2008CN201136022Y Angle forming mould
10/22/2008CN101288892A Method for connecting pipe
10/22/2008CN101288890A Cooling system of ultra-high strength steel hot stamping forming die
10/22/2008CN101288889A Ultra-high strength steel hot stamping forming die
10/22/2008CN101288886A Microwave oven waveguide stamping forming method
10/22/2008CN101288885A Effective technique for increasing roundness of the flanging hole of the barrel
10/22/2008CN101288883A Quick changing bending machining pad pillow
10/22/2008CN100427239C Composite cold stamping mold
10/22/2008CN100427235C Press-formed workpiece with an increased corner portion thickness and apparatus and method for manufacture thereof
10/16/2008US20080252024 Clamping Beam
10/16/2008US20080250841 Stake punch
10/16/2008DE102006004107B4 Vorrichtung zur Kühlschmierung mindestens eines Gesenks einer Umformmaschine Apparatus for cooling lubrication at least one of a forming die
10/15/2008EP1980339A1 Press molding equipment having means for measuring quantity of strain and press molding method
10/15/2008EP1979109A1 Apparatus and method for the final processing of a forming tool for a sheet-metal body part
10/15/2008CN201132194Y Correcting device for upper die sleeve and die holder
10/15/2008CN201132193Y Waste scraping device on die
10/15/2008CN201132192Y Combination molding die
10/15/2008CN201132191Y Die for dill tail moulding screw
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