Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
07/2010
07/14/2010CN201524765U Automatic riveting device
07/14/2010CN201524749U Die used in arc-shaped slot machining on plunger variable pump
07/14/2010CN201524748U Once punch forming die of thin-wall elastic steel ring
07/14/2010CN201524745U Drawing die device
07/14/2010CN201524742U Anti-jumping scrap sheet metal punching die
07/14/2010CN201524730U Position and dimension quick adjusting mould
07/14/2010CN201524729U Anti-inverted-burr sheet metal mould
07/14/2010CN201524728U Concave die insert of forming die
07/14/2010CN201524727U Numerical control turret punching die
07/14/2010CN201524726U Structure for punching numerical control turrent punch press applying switched reluctance servo motor
07/14/2010CN201524725U Mounting structure of main drive double servo motor in punching machine
07/14/2010CN201524724U Main drive structure of servo motor in punching machine
07/14/2010CN101774116A Method for producing pick formed by casting and mould pressing
07/14/2010CN101773971A Processing method for display foundation hardware
07/14/2010CN101773970A Automatic feeding system for turntable of spinning machine
07/14/2010CN101773963A New process for shaping large disk-shaped forging
07/14/2010CN101773948A Magnesium alloy plastic products and process for the preparation of the same
07/14/2010CN101357392B Link-plate continuous automatic molding device
07/14/2010CN101301670B Container top board forming mold
07/08/2010WO2010076247A1 Method for producing partially hardened components from sheet steel
07/08/2010US20100173714 Fixed constant velocity universal joint and method for manufacturing outer race thereof
07/08/2010US20100172606 Method for the production of a roller bearing without machining
07/08/2010US20100170319 Method for press hardening of metals
07/07/2010CN201520531U Wear-resistant flexible synchronous conveyer belt
07/07/2010CN201519720U Stamping device
07/07/2010CN201519719U Stamping forming device capable of manufacturing frame parts of passenger cars of various types
07/07/2010CN101767273A Punch forming process for large area figure plain film on cylinder body of insulation container
07/07/2010CN101767165A Tube type flat belt pulley forming method
07/07/2010CN101767157A Composite material rapid tooling manufacturing method and composite material rapid tooling
07/07/2010CN101767155A Mould and processing method using the same
07/07/2010CN101767153A Composite forming die
07/07/2010CN101767150A Stretch drawing die for seamless steel cylinder
07/07/2010CN101767147A Drawing and bending molding process and die of refrigerator backboard
07/07/2010CN101767139A Stroke processing method of ultrathin cylinder stainless steel tube film for printer and duplicator
07/07/2010CN101767138A Mirror drawing technology with more than 1mm of shell thickness reduction
07/07/2010CN101767137A High-load spindle mechanism of power spinning machine
07/07/2010CN101767136A Rotary-press processing method and device of long steel pipe with tensile
07/07/2010CN101767135A Process for stamping and forming adjusting shim of compressor
07/07/2010CN101767133A Mould pressing corrugated steel web molding method and special mould pressing device
07/07/2010CN101264501B Roller bearing holder locking notch forming method
07/01/2010WO2010073756A1 Springback occurrence cause analyzing method, springback occurrence cause analyzing device, springback occurrence cause analyzing program, and recording medium
07/01/2010WO2010073476A1 Very thin-walled long metal tube, method of manufacturing very thin-walled long metal tube, and device using very thin-walled long metal tube as roll or belt
07/01/2010DE112005002868B4 Ziehformungsverfahren und -vorrichtung Draw forming method and apparatus
07/01/2010DE102008064155A1 Rotationsumformverfahren zur Herstellung eines Nietbundes Rotationsumformverfahren for producing a rivet collar
07/01/2010DE102008063746A1 Method for forming high tensile strength sheet metal in mechanical pressing machine, involves inwardly pressing punch into position, in order to deform sheet metal in stage formed with stage part
07/01/2010DE102008062850A1 Deep-drawn part manufacturing method for e.g. vehicle construction, involves performing reverse bending movement for reverse bending section of edge region of plate shaped, deformable workpiece in direction
06/2010
06/30/2010EP2202011A1 Mold for press apparatus, and open-drawing method
06/30/2010CN201516476U Apparatus for eliminating stretch formability stamping piece edge curling
06/30/2010CN201516473U Thick-walled butt-welding three-way valve extrusion forming die
06/30/2010CN201516460U Automatic punching machine
06/30/2010CN201516459U Handle punching machine for steel handle acupuncture needle
06/30/2010CN101758148A Method and device for producing highly dimensionally accurate flanged half shells
06/30/2010CN101758142A Punch die with multi-station punches
06/30/2010CN101758141A General stamping mould for automatic centering of plates with different widths
06/30/2010CN101758132A Hot extrusion copper material constant temperature heating device
06/30/2010CN101412065B Technique for processing magnesium alloy case
06/29/2010US7743637 Rolling tool with integrated drawing stage
06/24/2010US20100159267 Device cover and method for fabricating the same
06/23/2010EP2198986A1 Press-processing method, and press-processing apparatus
06/23/2010CN201515493U Vibrating basin processing equipment
06/23/2010CN201514215U Machining accuracy on-line real-time detecting system of numerical control punching device
06/23/2010CN201511539U Rotary oil press with hole
06/23/2010CN201511071U Mold for processing of metal mesh
06/23/2010CN201511070U Module with mobile friction insert block
06/23/2010CN201511069U Eccentric shaft of punch
06/23/2010CN201511068U hydraulic punching machine
06/23/2010CN101752515A Method of manufacturing case for battery and case for battery manufactured by the same
06/23/2010CN101751493A Process design for external plate with cuspidal point and manufacturing method thereof
06/23/2010CN101746016A Injection molding system and injection molding method
06/23/2010CN101745908A Mechanical arm and metal plate stamping device using same
06/23/2010CN101745784A Simple forming process of seal head for titanium alloy cylinder
06/23/2010CN101745577A Spinning processing method of carbon steel lining stainless steel composite pipe
06/23/2010CN101480693B Punch forming method of spiral head with convex wing
06/23/2010CN101367103B Magnesium alloy sheet material flow forming and molding process
06/18/2010CA2686898A1 Method and apparatus for forming a turbofan mixer
06/17/2010WO2010066606A2 Coolant system
06/17/2010DE102007044259B4 Ziehwerkzeug mit kurzem Kraftweg Drawing tool with a short path of force
06/16/2010CN201506041U Decelerating and force-increasing mechanism
06/16/2010CN201505815U Mobile work table for a machine tool
06/16/2010CN201505700U Circular disc type nut automatic feeder
06/16/2010CN201505697U Wind cap forming die
06/16/2010CN201505695U Die device of screw heading machine
06/16/2010CN201505694U Rotary cam structure
06/16/2010CN201505659U Creep type plastic-aluminum separator
06/16/2010CN1943900B Method for press forming and press forming device
06/16/2010CN1762617B Cylindrical case manufacturing method
06/16/2010CN101733962A Press machine lower die height adjusting device
06/16/2010CN101733340A Manufacturing method of novel press machine draw bar chuck
06/16/2010CN101733338A Forming technology of ultra-deep taper thin-wall part
06/16/2010CN101733331A Plate notching mechanism for drawing die
06/16/2010CN101733329A Novel quick-installation and multi-utilization mold base
06/16/2010CN101733327A Side hole cover progressive die
06/16/2010CN101733326A Continuous stamping die of cover product
06/16/2010CN101733325A Side hole progressive die
06/16/2010CN101733319A Rotary extrusion forming method and mould thereof
06/16/2010CN101733318A Novel flange manufacturing machine tool
06/10/2010WO2010064786A2 Method for manufacturing cooking vessel on which picture in more than one colour can be printed, and jig for a printing device used in the same
06/10/2010WO2010063940A1 Method and device for manufacturing a structured lining wave, and such a lining wave
06/10/2010WO2010063397A1 Method for producing mufflers for motor vehicles
06/10/2010WO2010063156A1 Power source electrode, method and special appliance for preparing the power source electrode
1 ... 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 ... 124