Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
04/2009
04/29/2009CN201227673Y Shell partition mould convenient to demoulding
04/29/2009CN201227672Y Pneumatic composite mould for battle cap drawing
04/29/2009CN201227668Y Double-action press device of cold bending forming set
04/29/2009CN201227667Y Air inlet pressing device
04/29/2009CN101421614A Method and device for testing the quality of a metallic coating
04/29/2009CN101417307A New high-strength laser tailor-welded blanks drawing-mold processing technique
04/29/2009CN101417306A Stamping die for producing hollow parts with holes at lateral wall and stamping method thereof
04/29/2009CN101417304A Method for producing sample-piece mold using cement
04/29/2009CN101417298A Stamping processing method with rolling effect
04/29/2009CN100482977C Two-stage coaxle multi-wedge type pulley and processing technology and equipment
04/29/2009CN100482376C Cement type surface simple drawing mold
04/28/2009US7523635 Method of producing wheel and the wheel
04/28/2009US7523555 Wheel manufacturing method
04/23/2009US20090100892 Method and apparatus for producing untrimmed container bodies
04/23/2009DE102007050337A1 Formgestauchter Hohlkörper Form swamped hollow body
04/22/2009EP0989316B1 Torque transmitting member in automotive transmission, method for forming spline teeth, and apparatus for forming the same
04/22/2009CN201224202Y Protector for stamping die
04/22/2009CN201223920Y Chain-plate continuous automatic molding machine
04/22/2009CN201223900Y Eccentric wheel blank pressing apparatus for stamping die
04/22/2009CN201223895Y Punching processing device for saving motor stator and rotor material
04/22/2009CN201223894Y Gear ring locating type open type turret punch press
04/22/2009CN101412065A Technique for processing magnesium alloy case
04/22/2009CN101412058A Rotary extrusion forming method of non-circular cross-section parts and equipment thereof
04/22/2009CN100479976C Process of making integral automobile wheel
04/21/2009US7520153 Bursting disk and method for manufacturing the same
04/16/2009CA2699318A1 Deep-drawing device
04/15/2009EP2047924A2 Method and device for manufacturing a guard rail
04/15/2009CN201220487Y Transposition transmission mechanism of numerical control press mould
04/15/2009CN201220254Y Grading stamping mould with precise initial location
04/15/2009CN201220252Y Calendering mould for workpiece having complicated shape
04/15/2009CN201220250Y Lithium slice stamping machine for lithium manganese button cell production
04/15/2009CN101410200A Roller die press
04/15/2009CN101406917A General-purpose drawing mold of single/double action press
04/15/2009CN101406916A Method for producing S type flanging of metal heat-insulating protecting component
04/15/2009CN101406911A Technique for stretching workpiece with flange
04/15/2009CN101406910A Large-sized flange molding equipment and molding technique
04/15/2009CN100478092C Metal pipe material stretching machine
04/14/2009US7516635 Method and forming machine for deforming a workpiece
04/14/2009CA2397629C Method for making a bung for a metal cask
04/08/2009CN201217154Y Workbench of hydraulic drawing press for sheet
04/08/2009CN201217035Y Punching mould structure
04/08/2009CN101402301A Aluminum alloy vehicle wheel and manufacturing method therefor
04/08/2009CN101402119A Deep draw mould without flange edge die plate
04/08/2009CN101402117A Method for processing metal molybdenum ware
04/08/2009CN100475379C Method for processing vacuum vessel liner
04/08/2009CN100475377C Hydraulic pressure molding device and hydraulic pressure molding method
04/08/2009CN100475376C Method for forming pipe fitting
04/07/2009US7514175 Anode can for battery and manufacturing method thereof
04/07/2009US7513348 One-way drive device and method of making the same
04/07/2009US7513138 Single action press for manufacturing shells for can ends
04/02/2009US20090084753 Process For Tooling For Manufacture Of A Composite Part Composite Stopper Obtained By Such A Process Or Such Tooling
04/02/2009US20090084155 Method to Form Pin Having Void Reducing Pin Head and Flattening Head to Perform the Method
04/01/2009CN201214121Y Rotating cam sliding fitting guide plate
04/01/2009CN201214119Y Secondary drawing composite mould
04/01/2009CN201214117Y Gradually forming pressure head of slab with controllable pressure and forming apparatus thereof
04/01/2009CN101398680A Process additional method for vehicle exterior panel
04/01/2009CN101396706A Processing method of bolt-shaft inner hexagon in roller deep groove ball bearing using lathe
04/01/2009CN101396229A Production method of lotus leaf type non-sticking cooking utensils
04/01/2009CN100473472C Method for forming metallic glass
03/2009
03/31/2009US7509827 Device and method for expansion forming
03/26/2009US20090082117 Hollow power transmission shaft and method of manufacturing the same
03/26/2009US20090078022 Shell press, and die assembly and associated method therefor
03/26/2009US20090078021 Metal sheet pressing method
03/26/2009US20090078019 Straightening Device
03/26/2009DE102007044259A1 Draw tool for body-drawing press stage of drawing press i.e. transfer molding press, has tensioning device with tension member for connecting upper tool part with metal sheet holding device e.g. circular holder
03/25/2009EP1750866B1 Roller cam
03/25/2009EP1372946B9 Device for treating flat material
03/25/2009CN201211540Y Special equipment of collecting tube drawing technology
03/25/2009CN201211539Y Small-sized board press
03/25/2009CN101394954A Method for producing a wheel disc
03/25/2009CN101394950A Hot-forming die, press-forming device, and hot press-forming method
03/25/2009CN101391372A Gas cylinder dished head shaping technique
03/25/2009CN101391366A Manufacture technique of bimetal tubeless wheel
03/25/2009CN100471616C Method for processing thin wall metal elbow
03/25/2009CN100471595C Hot pressing method and part for high strength member using steel sheet
03/25/2009CN100471594C Method and apparatus for forming sheet metal
03/25/2009CN100471593C Locking clamp for spinning and drawing process of fixing metal film casing for printer and duplicator and the
03/24/2009US7506528 Head tube for bicycle frame
03/24/2009US7506527 Making integral heat spreader by coining
03/24/2009CA2583509C Process for manufacturing a part of a metal matrix composite material
03/19/2009US20090071219 Apparatus and method for forging premium coupling blanks
03/19/2009US20090071218 Die cushion device for press machine
03/19/2009US20090071215 Hydroformed part, and mold used for making hydroformed part
03/19/2009DE102008032911A1 Production of aluminum moldings comprises partially forming aluminum sheet using a molding tool at room temperature, partially formed product being removed and heat aged, after which it is formed in second stage to its final shape
03/18/2009EP2037547A1 Manufacturing process of cylinder plug pins for electric connection and plug pins manufactured in this process
03/18/2009EP0970764B1 Apparatus for dieless forming plate materials
03/18/2009CN201208633Y Automatic feeding apparatus for punching capacitor aluminum shell
03/18/2009CN201208632Y Automatic operation apparatus of capacitor aluminum shell punching machine
03/18/2009CN201208626Y Punching die with elastic concavo-convex mould
03/18/2009CN201208625Y Curved surface processing mould
03/18/2009CN201208624Y Scrap-removing apparatus for punching capacitor aluminum shell
03/18/2009CN101389420A Active reconfigurable stretch forming
03/18/2009CN101389419A Vertical spinner
03/18/2009CN101387897A Upper casing of portable computer of magnalium material and plastic and preparation thereof
03/18/2009CN101387138A Integrated suspended ceiling pinch plate and processing technology
03/17/2009US7503741 Formation of a curl in a unitary closable container
03/17/2009US7503199 Pulley block straps
03/14/2009CA2639502A1 Method and device for fine blanking and forming a workpiece
03/12/2009US20090064751 Pressing System
03/12/2009DE202009000295U1 Vorrichtung zur Herstellung eines metallischen Bauteiles An apparatus for producing a metallic component
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