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 22 - Shaping without cutting, by stamping, spinning, or deep-drawing
Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
11/2012
11/21/2012CN102784832A Formation method for machine case of combustor
11/21/2012CN102784831A Punch forming device for plates with dense blind holes
11/21/2012CN102248055B Multi-station cycle valve automatic machining punch press
11/21/2012CN102009098B Method for processing two-dimensional curved surface intersecting line by stamping and dissecting mode and stamping and dissecting mould
11/21/2012CN101752515B Method of manufacturing case for battery and case for battery manufactured by the same
11/20/2012US8312856 Forged piston, internal combustion engine, transportation apparatus and method of making the forged piston
11/20/2012US8312753 Method of forming curled portion
11/15/2012WO2012152235A1 Method for producing composite parts by means of a combination of deep drawing and impact extrusion
11/15/2012WO2012127491A3 Method of manufacturing wheel disc
11/15/2012US20120286480 Negative creep corrugated gasket and methods of manufacturing same
11/14/2012CN202527615U Continuous machining punching machine provided with blowing system
11/14/2012CN202527590U Improved rotary pressing mold of aluminium wheel
11/14/2012CN202527572U Electric servo drawing pad
11/14/2012CN202527571U Drawing device for assembling shock absorber
11/14/2012CN202527570U Processing forming device for waist-shaped housing of automobile muffler
11/14/2012CN202527569U One-step forming equipment for wire shear handle
11/14/2012CN202527568U Automatic flatting mill with die for acupuncture and moxibustion needle blank
11/14/2012CN202527567U Convenient drilling indenting device
11/14/2012CN102782188A Method for manufacturing a hot press-molded member
11/14/2012CN102781601A Hot press forming process of plated steel and hot press formed articles using the same
11/14/2012CN102773377A Punch with monitoring system
11/14/2012CN102773348A Precise drawing die
11/14/2012CN102773346A Rocker type side core-pulling panel die cylinder, punch press and infrared punching thermal molding method
11/14/2012CN102773324A Rotary extrusion device
11/14/2012CN102773323A Strong force rotary pressing molding method of nanocrystalline/superfine crystal carbon steel cylindrical piece
11/14/2012CN102773322A Honeycomb metal plate processing method and processing device
11/14/2012CN102773303A Copper nickel alloy large-size thick-wall seamless pipe manufacturing process
11/14/2012CN102000730B Rotary pressure head device of lining bimetallic composite tube
11/13/2012US8307687 Metal plate material hot press molding apparatus and hot press molding method
11/08/2012WO2012091368A3 Method for manufacturing inner structure of regenerative cooling type combustion chamber
11/08/2012US20120279272 Stamping apparatus
11/07/2012EP2520693A1 Method for manufacturing a hot press-molded member
11/07/2012EP2520382A2 Hot press forming process of plated steel and hot press formed articles using the same
11/07/2012CN202516975U Electromotor fastening belt of punching machine
11/07/2012CN202516961U Punching molding equipment of lighter windproof cover
11/07/2012CN202516935U Dual-step type die surface modeling structure at closed angle of automotive side wall tail light
11/07/2012CN202516933U Stamping die for inclined side convex hull of rear panel of liquid crystal display (LCD) flat panel display
11/07/2012CN202516929U Stamping die applicable to round convex closure on flat-panel display back panel
11/07/2012CN202516911U Multi-station stretcher
11/07/2012CN202516910U Upright-type helical blade drawing machine
11/07/2012CN102764807A Manufacturing method of press product and press forming apparatus
11/01/2012WO2012147963A1 Hot press molded article, fabrication method therefor, and thin steel plate for hot press molding
11/01/2012WO2012146602A1 Method and device for producing flanged drawn parts with simultaneous trimming
11/01/2012WO2012146601A1 Method and device for producing flangeless drawn parts
10/2012
10/31/2012EP2518807A1 Method and device for manufacturing separator for polymer electrolyte fuel cell
10/31/2012EP2516082A1 Method and device for drawing metal sheets
10/31/2012DE102011050002A1 Verfahren und Vorrichtung zur Herstellung flanschbehafteter Ziehteile mit gleichzeitigem Beschnitt Method and apparatus for producing flanschbehafteter drawn parts with simultaneous trimming
10/31/2012DE102011050001A1 Verfahren und Vorrichtung zur Herstellung von flanschlosen Ziehteilen Method and apparatus for the production of drawn parts flangeless
10/31/2012CN202506738U Die for forming round pointed end on tubular tool handle
10/31/2012CN202506733U Split male die structure of drawing die
10/31/2012CN202506732U 330ml steel draw punch of 202 necked-in can type for two-piece can
10/31/2012CN202506710U Fixing device for oil pipe of punching machine
10/31/2012CN202506709U Modified structure of small-size punching machine
10/31/2012CN102762319A Method for manufacturing wheel rim for vehicle
10/31/2012CN102756880A Separating and explosion proof material, as well as pressing mold and pressing method thereof
10/31/2012CN102756246A Composite precision forming method for fender bracket of automobile
10/31/2012CN102756031A Convex hull processing method of backboard and backboard
10/31/2012CN102756030A Continuous punch forming device
10/31/2012CN102756029A Hot-press forming method of rear axle half shell of automobile
10/31/2012CN102756028A Tandem press line
10/31/2012CN102191403B Pressure gauge copper connector obtained by adopting hot pressing process and production method thereof
10/30/2012US8297097 Closing method and closing machine
10/30/2012US8296922 Method for producing low-springback half shells
10/30/2012US8296920 Method for making a hand tool
10/26/2012WO2012113690A3 Method for producing an implant comprising at least one region having a surface structure, implant produced according to the method and device for performing the method
10/25/2012US20120266644 Device and method for manufacturing a can body for an aerosol can
10/25/2012DE102010053634B4 Verfahren zum Herstellen eines rohrförmigen Behälters und zugehörige Vorrichtung zum Umformen eines Rohrabschnittes A method for producing a tubular container and associated apparatus for forming a pipe section
10/25/2012DE10013746B4 Füllstutzen für einen Kühler Filling a cooler
10/24/2012EP2512703A1 Method and device for drawing sheet metal
10/24/2012EP2512702A1 Method and device for producing a half-shell part
10/24/2012CN202501787U Radiating tube seat
10/24/2012CN202498170U Split-type semi-solid metal micro-thixoforming device provided with upper demoulding mechanism and lower demoulding mechanism
10/24/2012CN202498126U Rotary relay station used for punch press
10/24/2012CN202498125U Curved-surface profiling mould and upper mould applied to spinning machine
10/24/2012CN202498124U Hot plate die forming device
10/24/2012CN202498123U Automatic stamping device of shoe backpart
10/24/2012CN102744575A Method for preparing steel helmet shell
10/24/2012CN101954432B Spinning forming method of belt pulley with single V-shaped groove
10/24/2012CN101947592B Brake beam stretching anti-cracking device
10/24/2012CN101941034B Spin forming method of double-V groove belt pulley
10/24/2012CN101941031B Spin forming device with internal and external boss belt pulley
10/24/2012CN101450361B Gravity automatic sedimentation type magnetic delamination device
10/18/2012WO2012140266A1 Method and device for producing metal containers that are open at one end
10/18/2012WO2012140221A1 Tool arrangement with a protective non-woven protective layer
10/18/2012DE19931932B4 Anfas-Verfahren sowie Presse Chamfering process and Press
10/18/2012DE102012205855A1 Innendorn und Verfahren Inner mandrel and method
10/18/2012DE102011077328A1 Verfahren und Vorrichtung zum Herstellen einseitig offener Metallbehälter Method and apparatus for manufacturing metal containers open on one side
10/17/2012CN202490881U Spin forming die structure for processing contacts
10/17/2012CN202490864U Spinning machine guide rail structure
10/17/2012CN102741432A Stainless steel having local variations in mechanical resistance
10/17/2012CN102729016A Wheel axle manufacturing method
10/17/2012CN102728742A Three-station vertical type assembling machine of water heater liner
10/17/2012CN102728736A Workpiece positioning mechanism for gas cylinder hot spinning press
10/17/2012CN102728712A Temperature punching progressive die of magnesium alloy shell piece
10/17/2012CN102728709A Method for machining anti-fake aluminum cover and drawing mold
10/17/2012CN102728692A Upper molding plate and drawing punching head combined device
10/17/2012CN102728691A Adjustable hydraulic profiling mechanism for spinning of curved generatrix workpiece
10/17/2012CN102728690A End enclosure spinning backward-overturning preventing device
10/17/2012CN102728689A Spinning fixture for manufacturing deep groove split spinning belt pulley and application of spinning fixture
10/17/2012CN102728688A Non-cutting processing method and device for unilateral press forming of bottom surface of metal sheet
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