Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
08/2012
08/22/2012CN202387834U Forming mould for gear box base of grass mower
08/22/2012CN202387831U Drawing die with blank pressing device
08/22/2012CN202387814U Forming press
08/22/2012CN202387813U Novel skin tension meter
08/22/2012CN202387812U End socket spinning machine
08/22/2012CN202387811U Wheel carrier structure
08/22/2012CN202387810U Device for being favorable for keeping flatness of large-area lug boss plate
08/22/2012CN202387809U Safety protection device for semi-automatic punch
08/22/2012CN102641954A Drawing mould
08/22/2012CN102172702B Manufacturing method of spinning seal head and seal ring
08/22/2012CN101786128B Hot stamping and superplastic gas-bulging combined forming process
08/22/2012CN101704049B Process for stamping thin-wall battery case by using joggle die and joggle die
08/16/2012US20120204618 Device, method and tool for producing a rimmed passage in a component
08/16/2012DE10340794B4 Folgewerkzeug zum Herstellen eines komplex geformten und mit Öffnungen in verschiedenen Ebenen versehenen Bauteils Follow-on tool for producing a complex shaped and provided with openings in different planes component
08/15/2012EP2485855A1 Method and mould arrangement for manufacturing articles with the help of a mould
08/15/2012EP2170538B1 Shaping method and especially magnetorheological lubricant and device for use in said method
08/15/2012CN202377402U Mesh-enclosure punching and forming male mould
08/15/2012CN202377398U Drawing die used for outer plate part of car engine cover
08/15/2012CN202377394U Drawing die for parts of automobile door panels
08/15/2012CN202377390U Drawing mold for parts of reinforcing plates of automobile sunroofs
08/15/2012CN202377376U Stretch forming female die
08/15/2012CN202377345U Expansion type device for irregular parts
08/15/2012CN202377344U Cold-roll sheet aluminum alloy wheel spinning machine
08/15/2012CN202377343U Electromagnetic-controlled crown bottle cap punching machine with automatic stacking and material falling functions
08/15/2012CN202377342U Intelligent circulation device for lubricating oil of punching machine
08/15/2012CN202377341U Higher-lower die stamping system
08/15/2012CN102632366A Medical nuclear magnetic resonance equipment head processing method
08/15/2012CN102632157A Crimping and rebounding control method of lateral wall of advanced high-strength steel stamping part
08/15/2012CN102632140A Large-caliber head spinning die
08/15/2012CN102632138A Splitting spinning mold with retainer stages and determination method for retainer stages
08/15/2012CN102632137A Fractal spinning mold with crossed key and method for determining crossed key
08/15/2012CN102632123A Automatic production line for brake discs
08/15/2012CN101862781B Mechanical pipe fitting end forming machine
08/15/2012CN101850393B Gear cold rotation flanging press forming method
08/14/2012US8240184 Method for producing high-precision half shells
08/09/2012US20120198905 Apparatus for manufacturing necking cans
08/09/2012DE102012200879A1 Verfahren und Vorrichtung zum Ziehen von Blechen Method and device for pulling sheets
08/08/2012CN202367079U Reverse drawing die for cup body
08/08/2012CN202367027U Fan blade press-in machine
08/08/2012CN102626741A Drawing compound molding die for shell with tooth form on side wall
08/08/2012CN102626737A Fractal spinning mould with flat keys and determining method of flat keys
08/07/2012CA2636928C Press-forming device and press-forming method
08/02/2012DE102011009890A1 Verfahren zum Herstellen von Blechbauteilen und Umformwerkzeug A method of manufacturing of sheet metal parts and forming tool
08/02/2012DE102011002206B3 Vorrichtung und Verfahren zur Herstellung eines Dosenkörpers mit einem Halsabschnitt Apparatus and method for manufacturing a can body with a neck portion
08/01/2012EP2480693A1 Stainless steel having local variations in mechanical resistance
08/01/2012CN202356512U Auxiliary backing plate for double-action drawing die
08/01/2012CN202356507U Hot drilling jig device
08/01/2012CN202356485U Multi-station and multi-channel stretching hydraulic machine
08/01/2012CN202356484U Continuous stamping system of internal reinforcing plate of rear axle assembly cross beam
08/01/2012CN102615505A Method and device for pneumatic bulging after head casting
08/01/2012CN102615484A Convex-hull type blulletproof helmet forming method
08/01/2012CN102615209A Punch forming equipment for lighter windshield
08/01/2012CN102615190A Improved aluminum wheel spinning die
08/01/2012CN102615188A Secondary drawing die for cup-shaped workpiece
08/01/2012CN102615187A Drawing die for bellmouthed cup-shaped workpiece
08/01/2012CN102615184A Drawing die for disc-shaped workpiece
08/01/2012CN102615181A Continuous punching die suitable for punching automobile brake pad and punching method
08/01/2012CN102615163A Vertical helical blade stretching machine
08/01/2012CN102615162A Stainless steel kettle and integrally stretching method thereof
08/01/2012CN102615161A Control system of general two-dimensional numerical control spinning lathe
08/01/2012CN102615160A Punching machine
08/01/2012CN102078895B Method for forming large complex thin-wall shell with circumferential inner ribs
07/2012
07/31/2012US8230710 Method for forming a slip joint assembly with coated splines
07/26/2012WO2012098785A1 Plate material having concavo-convex parts, as well as vehicle panel and laminated structure using same
07/26/2012WO2012097812A1 Method and device for drawing sheet metal
07/25/2012EP2477900A2 Blank and forming tool for forming a container
07/25/2012CN202348829U Blank pressing cylinder structure of stretch forming machine of storage pot head
07/25/2012CN202343761U Reverse-stretching die of wide flange piece
07/25/2012CN202343759U Integrated drawing die of double-cylinder water tank
07/25/2012CN202343757U Angular edge-jointing mechanism of stamping die
07/25/2012CN202343756U Die with flexible female die
07/25/2012CN202343751U Stretch-forming punch
07/25/2012CN202343747U Drawing die
07/25/2012CN202343745U Automobile covering part drawing die
07/25/2012CN202343704U Die sleeve matched with die core of spinning machine
07/25/2012CN202343682U Workbench for frame-type single-action sheet-stretching hydraulic stamping press
07/25/2012CN202343681U Multi-specification pressing structure of stretching forming machine for storage tank seal end
07/25/2012CN202343680U Spinning machine die core with inner die sleeve
07/25/2012CN202343679U Workbench arranged on vertical spinning machine
07/25/2012CN202343678U Tool for forming U-shaped clips of steel plate spring
07/25/2012CN202343677U Material baffling sensing mechanism
07/25/2012CN202343676U Rotary table stamping machine
07/25/2012CN202343675U Stamping device
07/25/2012CN202343674U Punching machine with carrier rollers
07/25/2012CN102607321A Heat exchanger and manufacture method thereof
07/25/2012CN102602195A Pen tube and forming and manufacturing method thereof
07/25/2012CN102601587A Manufacturing process of aluminum alloy rim of large vehicle
07/25/2012CN102601585A Cutting method of mixed flow blade and cutting device thereof
07/25/2012CN102601267A Processing method for engine crankshaft vibration damping pulley wheel hub with end surface rat fluted disc
07/25/2012CN102601259A Continuous processing punching machine provided with blower system
07/25/2012CN102601253A Drawing die material piece transmitting device
07/25/2012CN102601246A Water-cooling temperature-control forming die for light alloy plates
07/25/2012CN102601243A Double-acting tapered wedge forming mechanism
07/25/2012CN102601239A Triangular self-tapping screw molding die
07/25/2012CN102601235A Novel intra-mould automatic separation floating block
07/25/2012CN102601234A Welding screw moulding die
07/25/2012CN102601228A Punching mould of LCD (liquid crystal display) flat-panel display back plane bevel edge convex packet and punching method
07/25/2012CN102601223A Flexible wedge with convertible angle
07/25/2012CN102601201A Broaching machine of shielding cylinder
07/25/2012CN102601200A Sheet metal gradient-temperature deep-drawing forming method and device
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