Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21J - Forging; Hammering; Pressing; Riveting; Forge furnaces › B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor
Patents for B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor (5,577)
10/2012
10/31/2012CN102756063A Manufacturing method of blade type product die forging clot
10/31/2012CN102756062A Forging method for efficiently healing hole flaws inside blank with large height-diameter ratio
10/30/2012US8299399 Device for connecting metal sheet at the edges
10/24/2012CN102747313A Photovoltaic solder strip manufacturing method
10/24/2012CN102744577A Stainless steel heavy type expansion screw rod and molding process thereof
10/24/2012CN102744569A Plate flange thick tampering bending hot forging process for impeller cover disc for large-scale centrifugal fan
10/24/2012CN102744343A Forging method of thin-wall drill bit and through diameter reducing die
10/24/2012CN102744342A Method for forging cutting-tooth forge piece
10/24/2012CN102059522B One-time molding processing method of clutch shaft sleeve of impeller type full-automatic washing machine by cold upsetting and extruding
10/18/2012WO2012140977A1 Copper-based alloy having excellent forgeability, stress corrosion cracking resistance and dezincification corrosion resistance
10/17/2012CN102729008A Method for forging cutting tooth boot and forward extrusion die
10/17/2012CN102728756A Wind power spindle flange upsetting process
10/17/2012CN102728755A Method for manufacturing rack steel
10/10/2012EP2508274A1 Method and device for increasing the bearing area of a fine blanked workpiece with a tooth, a tooth section or the like
10/10/2012CN102719761A Wheel disc forging and manufacturing method thereof
10/10/2012CN102717015A Forging method for improving coaxiality of thin and long step axis rod part as well as cold extrusion die
10/10/2012CN102717014A Method for freely forging casing elevator for petroleum drilling and production
10/10/2012CN102716962A Forging rotating extrusion preparation method of aluminum alloy hub and rotating extrusion mould thereof
10/09/2012US8283601 Bonding apparatus and method of metal plate
10/09/2012US8281636 Heading device
10/03/2012EP2505280A1 Apparatus for manufacturing plate-shaped gear teeth member
10/03/2012EP2504117A1 Reinforcement-linking device and manufacturing method thereof
10/03/2012CN202461414U Transverse stabilizing rod hot forging and pressing flattening forming machine tool
10/03/2012CN202461385U Hydraulically actuated ring rolling mill
10/03/2012CN102712031A Metal pipe, and method and device for processing metal pipe
10/03/2012CN102700668A Titanium alloy seamless pipe with variable wall thickness as well as radial forging and forming mechanism and method of titanium alloy seamless pipe
10/03/2012CN102699642A Process for machining rail traffic driven gear
10/03/2012CN102699637A Process for forging main shaft flange of wind driven generator
10/03/2012CN102699632A Process for manufacturing lining blank of damper
10/03/2012CN102699248A Bimetal composite cold header capable of separating blank from return oil
10/03/2012CN102699247A Forging method for superconducting tantalum bar
10/03/2012CN102699246A Seal head forging process
10/03/2012CN102380567B Forging method of cone forging
10/03/2012CN102019338B Punching method for forming integrated top cover
10/03/2012CN102019334B Forging method of main pipe blank with branch pipe nozzles used in nuclear power station
10/03/2012CN101898224B Forging method of lower sealing head forge piece of one-mega kilowatt nuclear-power reactor pressure vessel
10/03/2012CN101680061B Magnetically permeable liquid forged articles
10/03/2012CN101412066B Hammer forging technique of GH4169 alloy dish
09/2012
09/27/2012WO2012128733A1 Method for manufacturing hollow forged pieces and forging system for carrying out said method
09/27/2012WO2012127098A1 Spd process and apparatus
09/27/2012DE102005027259B4 Verfahren zur Herstellung von metallischen Bauteilen durch Halbwarm-Umformung Process for the preparation of metal components by semi-hot-forming
09/26/2012CN102689149A Continuous press forging precise forming process of automobile retaining frame part
09/26/2012CN102688970A D-shaped ring forging mold, and method for enhancing yield and guaranteeing even thickness
09/26/2012CN102688966A Cold forging method and metal housing processing method
09/26/2012CN102688965A Forging method for kenter link as n accessory of an R5 grade mooring chain
09/26/2012CN101522935B Process for production of aluminum alloy formings, aluminum alloy formings and production system
09/19/2012EP2498933A1 Method for shaping a workpiece using friction
09/19/2012CN202438648U Hot-forging forming device
09/19/2012CN202438647U Large-scale die forging front shaft side shearing die
09/19/2012CN102686763A Process for producing brake piston
09/19/2012CN102686331A Apparatus for manufacturing plate-shaped gear teeth member
09/19/2012CN102686330A Method for manufacturing hollow engine valve
09/19/2012CN102672096A Precision die forging and shaping technical method for automobile steering knuckle rough type parts
09/18/2012US8266938 Embossed shape memory sheet metal article
09/13/2012US20120227460 System and method for annealing of a pre-formed panel
09/13/2012US20120227459 Method of manufacturing shaft member for wheel rolling bearing device
09/12/2012EP2497583A1 Method of manufacturing a shaft member for a wheel hub assembly with rolling bearings
09/12/2012CN102658462A Manufacturing method of aluminum-lithium alloy circular-disc-shaped forging piece
09/12/2012CN102658346A Forging method of large tantalum targets
09/07/2012WO2012118094A1 Forging method
09/06/2012US20120222515 Dynamic vibration absorber
09/05/2012CN202411314U Vertical trimming mold
09/05/2012CN102319850B Method for manufacturing large-scale flange forged piece by utilizing combined tyre die
09/05/2012CN102125974B Process for punching and reversely tamping flat area of bolt hole of clutch cap
09/05/2012CN101985199B Method for preparing shell of electronics
09/05/2012CN101934335B Forging method for forging
08/2012
08/30/2012WO2012114910A1 Method for producing tooth profile component, device for producing tooth profile component, and tooth profile component
08/30/2012WO2012114908A1 Method for producing tooth profile component, device for producing tooth profile component, and tooth profile component
08/30/2012US20120216589 Pretensioner and pretensioner manufacturing method
08/30/2012DE102010011711B4 Verfahren und Vorrichtung zur spanlosen Herstellung von Verbindungs-, Befestigungs- oder Verschlusselementen aus Metall mit Außengewinde Method and apparatus for non-cutting manufacture of fastening, securing or sealing elements made of metal with outer thread
08/29/2012CN102652042A Method for manufacturing valve umbrella portion of hollow engine valve, press device of valve umbrella portion of hollow engine valve, and hollow engine valve
08/29/2012CN102652041A Blank for parking pole, and method for producing said blank
08/28/2012US8250897 High strength workpiece material and method and apparatus for producing the same
08/28/2012US8250892 Closure device for explosion forming
08/22/2012EP2489755A1 Process for producing brake piston
08/22/2012CN202387901U Combined type upset head die
08/22/2012CN102644039A Preparation method of high-quality 6061 aluminium alloy forging for semiconductor equipment
08/22/2012CN102644038A Production method of steel for automobile connecting rods
08/22/2012CN102641982A Die for multi-stage automatic cold die forging of armor-piercing steel nails and forging process of die
08/22/2012CN102641978A Method for processing TC18 titanium alloy large-sized section bar
08/22/2012CN101935776B Beta titanium alloy material and preparation method thereof
08/15/2012CN202384175U Pressing plate for transformer coil pressing machine
08/15/2012CN102632185A Magnesium alloy wheel forging forming method and die
08/15/2012CN102632176A Novel movement recoil type hot extrusion forming and processing method
08/15/2012CN102632175A Radial forging process of cast-state magnesium alloy tube
08/15/2012CN102632174A Forging method for improving pure titanium wide plate
08/15/2012CN102632173A Method for determining thickness-unequal blank for two-dimensional local loading and forming
08/15/2012CN102632172A Method for determining uneven-thickness blank for realizing local loading forming of rib-plate-shaped three-dimensional component
08/09/2012US20120198906 Method for manufacturing cold-forged wing bolts
08/09/2012DE102011105244A1 Verwendung eines Warmstauchverfahrens, Verwendung eines Umformwerkzeuges, Verfahren zum Erzeugen einer Schmiedevorform und Umformvorrichtung oder Warmstauchvorrichtung Use of a hot upsetting process, using a forming tool, a method for producing forging preform and forging device or hot upsetting apparatus
08/08/2012EP2484462A2 Use of a warm upsetting method, use of a reforming tool, method for producing a forge preform and warm upsetting device
08/08/2012EP2170540B1 Method for the production of hot-finished seamless pipes having optimized fatigue properties in the welded state
08/08/2012CN202367143U Hot extrusion forging device of flange axle tube
08/08/2012CN202367128U Upsetting forming production line for pointed cone part of spiral pile
08/08/2012CN102626821A Method for connecting semi-solid materials into whole
08/08/2012CN102049457B Precision forging process for engine connecting rod and precision forging die
08/08/2012CN101942606B Nitrogen alloyed austenitic hot work die steel and preparation method thereof
08/08/2012CN101109068B Sputtering targets, sputter reactors, methods of forming cast ingots, and methods of forming metallic articles
08/02/2012WO2012030244A4 Method and system proposed for the manufacturing of hollow profile objects
08/01/2012EP2481497A1 Method for producing a metallic component
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