Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804)
01/2011
01/12/2011CN201702253U Mould frame type mould replacing mechanism of welding pipe and cold-bending mill
01/12/2011CN201702252U Multi-station punch head of punching machine
01/12/2011CN201702251U Crankshaft, connecting rod, piston and punch integrated structure
01/12/2011CN201702249U Three-punch pressing punching slider
01/12/2011CN101941032A Local drawing and molding technology for rear cover plate of front section of automotive girder
01/12/2011CN101941031A Spin forming device with internal and external boss belt pulley
01/12/2011CN101618497B Forming process and device of metal hollow chopsticks
01/12/2011CN101602082B Anchoring claw and manufacture process thereof
01/12/2011CN101549377B Curved surface forming device for adjustable segmented mold board of square rams
01/06/2011WO2011001653A1 Water-based lubricant for plastic processing having excellent corrosion resistance and metal material having excellent plastic processability
01/06/2011WO2011000013A1 Device and method for bending a workpiece
01/06/2011WO2011000012A1 Device and method for the laser-supported bending of workpieces
01/06/2011WO2011000011A1 Device and method for bending a workpiece
01/06/2011WO2010127837A3 Device and method for heating workpieces which are to be hot-formed
01/05/2011EP1752252B1 Positioning and fixing device
01/05/2011DE59109090C5 Presswerkzeug Crimping tool
01/05/2011DE102004001043B4 Stempelführung einer Tiefziehvorrichtung Punch guide a deep-drawing device
01/05/2011CN201693097U Self-locking nut-crimping device utilizing pressure of thread rolling machine as power source
01/05/2011CN201693086U Punching permanent connection tool
01/05/2011CN201693085U Progressive continuous stamping die for manufacturing hinge fixing plate of automobile door
01/05/2011CN201693084U Combined lower die of numerical control turret punch die
01/05/2011CN201693083U Punching pressure gear die
01/05/2011CN201693082U Stamping die capable of preventing hand crush
01/05/2011CN201693081U Non-even back-pressure plate flexible forming die
01/05/2011CN201693080U Sheet forming die with non-uniform back pressure
01/05/2011CN201693079U Thinned deep-drawing die with positive pressure
01/05/2011CN201693078U Motor die punch provided with detachable fixing mechanism
01/05/2011CN201693077U Blanking and central hole/screw hole-punching composite die
01/05/2011CN201693076U Pressing die
01/05/2011CN201693075U Die with hinge used for bending
01/05/2011CN201693074U Structure of mold core positioning block of three-way pipe fitting
01/05/2011CN201693073U Mould of producing car top cap
01/05/2011CN201693072U Biomass roll-forming combined type die
01/05/2011CN201693071U Guide-type quick-change device of beam blanking punching die
01/05/2011CN201693070U Quick-replacing device of floating terrace die
01/05/2011CN201693069U Progressive continuous punching mould for manufacturing sealing ring
01/05/2011CN201693068U Special tooth processing forming die for hollow pipes
01/05/2011CN201693067U Combined punch of numerical control turret punch press die
01/05/2011CN201693050U Trimming tool holder of spinning machine and connecting structure for trimming tool holder thereof
01/05/2011CN101934324A Method for making open steel drum and special warp mould
01/05/2011CN101934319A Heavy-load internal force balanced type automatic variable pitch bending lower die
01/05/2011CN101934316A Manufacturing method of cylindrical member and manufacturing method of vibration damping rubber bushing having the cylindrical member
01/05/2011CN101462130B Method for bending tubular articles
01/05/2011CN101439375B Double-former block forming machine of color steel glazed tile
01/05/2011CN101244439B Mechanical-hydraulic auxiliary reverse redrawing mold
01/04/2011CA2422607C Punching head, machining tool with one such punching head and machining device with one such punching head or machining tool
12/2010
12/30/2010US20100329877 Method for producing a forging from a gamma titanium aluminum-based alloy
12/30/2010US20100328820 Dimple forming apparatus and dimple forming method
12/29/2010EP2266722A1 High strength part and method of production of the same
12/29/2010EP2265401A1 A mould and a method of composite casting of a one piece cast tool
12/29/2010EP2265400A1 A method of composite casting of a one-piece cast tool
12/29/2010EP1667826B1 Alignment ring for a punch
12/29/2010CN201684847U Mould oiling structure
12/29/2010CN201684846U Slider rack mechanism
12/29/2010CN201684845U Combined guide system of forming and punching die
12/29/2010CN201684844U Rotary bending die
12/29/2010CN201684843U Mould with discharging buffering device
12/29/2010CN201684842U Flattening and bending progressive die for U-shaped parts with flat structures
12/29/2010CN201684841U Progressive die for liquid crystal inner components
12/29/2010CN201684840U Punching die capable of finely adjusting punch of die
12/29/2010CN201684839U Double-claw integral forming mold
12/29/2010CN201684838U Forming mold structure for enclosing and forming product
12/29/2010CN201684837U Fin rolling tool for heat exchanger of automobile air conditioner
12/29/2010CN201684835U Deep-drawing progressive die
12/29/2010CN101930855A Blanking and drawing composite die for aluminium shell of capacitor
12/29/2010CN101927301A Cold compression necking process of reducing short tube
12/29/2010CN101927298A Mould for correcting copper plate
12/29/2010CN101927297A Adjustable limiting mechanism of stamping mould
12/29/2010CN101927296A Hexagon bolt head one-time forming mold
12/29/2010CN101927291A Pre-forming method for tube hydroforming and device thereof
12/29/2010CN101559457B Clamping and blanking structure applied in stamping process
12/29/2010CN101486062B Thermoforming and edge-cutting integrated technique and mold of high-duty steel part
12/29/2010CN101486060B Thermoforming and hole-punching integrated technique and mold of high-duty steel part
12/29/2010CN101380654B Deep drawing method of magnesium alloy tailor welded blanks
12/29/2010CN101304824B Eccentric rotary stamping apparatus and method of forming moving sheet metal
12/29/2010CN101274346B Method for producing metallic stamping pieces
12/23/2010WO2010148172A2 Tool for forming a three dimensional container or construct
12/23/2010US20100319431 Rim Rolling Screw Having Pneumatic Cooling
12/23/2010DE102010003714A1 Insulating device for use in system for thermal insulation of heated machine table of tool machine, is mechanically constructed as sandwich construction, and has upper cover plate
12/23/2010CA2761154A1 Tool for forming a three dimensional container or construct
12/22/2010EP2264193A1 Production of a partially press-hardened metal sheet component
12/22/2010EP2262918A1 Microstructural optimization of automotive structures
12/22/2010EP2262597A1 Composite cast tool
12/22/2010CN201677174U Special machine for manufacturing the housing of a disinfection cabinet
12/22/2010CN201676968U Transfer die with one-step molding joint
12/22/2010CN201676967U Special mould for processing fixed ring of refrigerator temperature controller
12/22/2010CN201676966U Continuous hardware stamping die used for producing optical fiber communication modules
12/22/2010CN201676965U Punched tape hole flanging die of inner supporting pipe of automobile shock absorber
12/22/2010CN201676964U One-step molding mould for terminal complicated bend rivet-punching
12/22/2010CN201676963U Punching mould of automobile wire bundle
12/22/2010CN201676962U Progressive die for parts
12/22/2010CN201676961U Pressing mould
12/22/2010CN201676960U Novel high strength steel plate die structure
12/22/2010CN201676959U Compound stamping die for plate forming
12/22/2010CN201676958U Differential temperature drawing stroking processing die
12/22/2010CN201676957U Shade edge die
12/22/2010CN201676956U Bottle cap internal expansion mold
12/22/2010CN201676955U Device for replacing small die head of upper die of bending die
12/22/2010CN201676945U Flash removing mechanism for large-blade die forgings
12/22/2010CN201676940U Combined structure of common-mode press for stamping die production