Patents
Patents for B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor (5,577)
12/2008
12/31/2008CN101332560A Plastic working technique for increasing damping performance of high-strength wrought magnesium alloys
12/31/2008CN101332485A Processing method of end upsetting of drill pipe
12/31/2008CN101332484A Die forging method of high-temperature alloy
12/31/2008CN100446889C Method of processing metal blindgut parts by cold holder
12/24/2008CN201168760Y Forging machine producing fixed length heat pipe choke
12/24/2008CN101327561A Hot edge-cutting manufacture technology for automobile generator finish forging claw pole
12/24/2008CN101327512A Forging line of claw pole for automobile generator
12/24/2008CN100445419C Ta sputtering target and method for preparation thereof
12/17/2008CN201164895Y Amorphous alloy hot press molding apparatus
12/17/2008CN101326024A Process for manufacturing raceway ring member as constituent of roller bearing unit for wheel support
12/17/2008CN100443214C Machine and method for processing rotary blade
12/15/2008CA2742164A1 Linear friction welding apparatus and method
12/11/2008DE102007026989A1 Sealing method for sealing a drilled hole tightly in a workpiece uses a seal inserted into the drilled hole of the workpiece and pressed in with a pressing device
12/10/2008EP2000688A2 Inner ring of constant velocity universal joint and its manufacturing device
12/10/2008CN100441338C Method for making tool body
12/09/2008US7462853 Radioactive substance containment vessel, and radioactive substance containment vessel producing device and producing method
12/09/2008US7461533 Forging method forged product and forging apparatus
12/09/2008CA2404648C Method for manufacturing of a plate involving an intermediate preforming and a final shaping
12/04/2008WO2008145092A1 Method for producing hollow shaft base bodies and hollow shaft base body produced according to said method
12/03/2008EP1997570A2 Press-molded product and method of manufacturing same
12/03/2008EP1997569A1 Method for processing the ends of pipes
12/03/2008CN101314812A Smithing exhaust heat quenching process for caterpillar track node with node pitch more than 200mm
11/2008
11/27/2008DE19982835B4 Verfahren und Werkzeug zum Bilden eines erweiterten Endabschnitts eines Stabes Method and tool for forming an enlarged end portion of a rod
11/26/2008CN201154385Y Device for finishing bend forging of crank of large marine crankshaft
11/26/2008CN201154384Y Steel ball cold header
11/26/2008CN100436045C Manufacturing method for annular forging piece
11/26/2008CN100436044C A sort of Fe-Ga magnetostriction alloy wire and preparation method
11/25/2008US7454936 Method and device for forming an essentially flat metal blank to produce a thin-walled, shell-type body, and the use of same
11/20/2008WO2008138467A1 Cold forming method for mounting a connecting element on an end of a high-pressure pipe
11/20/2008WO2008138033A1 Hollow steering rack
11/19/2008CN101306501A Preparation method of high intensity Ti6Al4V diphase reinforced composite material
11/19/2008CN100434205C Method and its device for forming heat pipe shrinking pipe
11/12/2008CN201147815Y Tungsten-molybdenum swaging apparatus
11/12/2008CN101303091A Integral type flange valve and valve body as well as die forge forming method
11/12/2008CN100431775C Fast precise semi-axle casing extruding formation process
11/12/2008CN100431736C SAE6427 steel forging heating process
11/05/2008CN101298090A Electrical machinery pole shoe accurate cold forging forming technique
10/2008
10/30/2008WO2008129892A1 Process for manufacturing footed ringlike member and apparatus therefor
10/30/2008WO2008129860A1 Towing device for vehicle, method of manufacturing towing hook for vehicle, and method of manufacturing connection member for vehicle
10/30/2008DE102007002826B4 Verfahren zum Schmieden oder Gießen einer Welle, sowie eine geschmiedete oder gegossene Welle A method of forging or casting a shaft, as well as a forged or cast shaft
10/30/2008CA2680100A1 Method of providing a solenoid housing
10/29/2008EP1985390A1 Tools with a thermo-mechanically modified working region and methods of forming such tools
10/29/2008CN201140262Y Selective heating continuous upsetting enclosed simple mould for metal bar
10/29/2008CN101294264A Process for manufacturing type alpha+beta titanium alloy rod bar for rotor impeller vane
10/29/2008CN101293267A Continuous upsetting method for large flange at axle end of large-scale wind power principal axle
10/29/2008CN101293266A Cold rolling method and apparatus for M shaped parts
10/23/2008DE112006002216T9 Verfahren zur Herstellung eines Kipphebels A process for producing a rocker arm
10/23/2008DE112006002216T5 Verfahren zur Herstellung eines Kipphebels A process for producing a rocker arm
10/22/2008CN101291751A Multiple piece roll
10/16/2008US20080250839 Method and apparatus for manufacturing a legged annular member
10/15/2008CN101285155A Iron-chromium-cobalt permanent magnetic alloy compounding vanadium and tungsten and deformation processing technology thereof
10/15/2008CN101284300A Shaping method of safety air bag gasifier pressure cover
10/15/2008CN101284298A Preparation method of aluminium alloy semi-solid state blank for large size forging
10/15/2008CN100426445C Tunsten wire, cathode heater, and filament for vibration service lamp
10/15/2008CN100425395C Method for preparing anode copper ball and apparatus thereof
10/15/2008CN100425392C Preparation method for cold rolling sheet of duriron
10/14/2008US7434434 Method and apparatus for producing a cylindrical hollow body from a blank
10/08/2008EP1586389B1 Oval cross section metal tube producing device and producing method
10/08/2008CN101280385A Manufacturing process of boiler tube for hydrocracking unit
10/08/2008CN101279521A Laminar compound aluminium alloy material with high intensity and preparation thereof
10/08/2008CN101279352A Double-station forging method and device
10/08/2008CN100424193C GH696 alloy vane ausform forming process
10/07/2008US7430889 Device for forming protruding parts on the carrier plate of a brake-lining
10/01/2008EP1974837A2 Method of manufacturing a hollow power transmission shaft
09/2008
09/25/2008WO2008114680A1 Aluminum alloy forgings and process for production thereof
09/17/2008EP1970141A1 Process for manufacturing raceway ring member as constituent of roller bearing unit for wheel support
09/17/2008CN101264564A Manufacturing method for quick-release type hoisting connection ring body
09/17/2008CN101264506A Method for processing pressure container forgeable piece
09/17/2008CN101264504A Method for processing electric motor shaft forgeable piece
09/16/2008US7424834 Gear, method and device for manufacturing the same
09/16/2008CA2490300C Split die for forming grooved workpieces
09/12/2008WO2008106858A1 A quasi-isothermal forging method of a disk shaped forging of nickel-base superalloys in air
09/10/2008EP1654149B1 Vehicle frame having energy management system and method for making same
09/10/2008CN101262965A Process for producing molded article with undercut, forging apparatus therefor, and intermediate molded object
09/10/2008CN101260487A Spray coating material prepared by titanium-containing high-chromium-nickel alloy, preparation method and use thereof
09/10/2008CN101259580A Processing technique for integral drill rod
09/04/2008US20080209972 Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof
09/03/2008EP1964624A1 Swaging method and swaging apparatus
09/03/2008CN101257984A Upsetting method and upsetting apparatus
09/03/2008CN101254577A Manufacturing method of ultra low temperature and high intensity fine grain simple steel flange
09/03/2008CN101254518A 1Mn18Cr18N steel guard ring forgeable piece forging technique for electric generating set
09/03/2008CN101254517A Silumin piston contour forging technique and mold
09/03/2008CN100415408C Equipment for bend-forging crank axle toggle of large ship and method for forging the same
09/03/2008CN100415402C Die cushion mechanism, and device and method for controlling the same
08/2008
08/27/2008CN101250665A Method for preparing high-power AC transmission power car axle
08/27/2008CN101249603A Roll forming integrated technique of high intensity high-hardness alloy and roll forming equipment
08/27/2008CN101249600A Forging bearing straight three-way production method
08/27/2008CN100414553C Crankshaft crank throw curved forging mould for large ship and designing method of preformed blank
08/20/2008CN101248254A Method for manufacturing rocker arm
08/20/2008CN101247906A Method for the production of axially symmetrical workpieces with or without a toothed profile
08/20/2008CN101247905A Manufacturing method for rocker arm
08/20/2008CN100411805C Method for forging large bent handle rudderstock
08/20/2008CN100411770C Generator magnetic pole precision forging method
08/14/2008WO2008095446A1 A method for making ring forging component
08/14/2008WO2008095272A1 Closed die for forging irregular-shaped parts
08/13/2008EP1955790A1 Electric upsetting method and apparatus
08/13/2008CN100409971C Method of manufacturing outer ring member for constant velocity joint
08/13/2008CN100409970C Universal-joint sleeve blank cold-upsetting formation art, and equipment therefor
08/07/2008WO2007089711A3 Method for producing a wheel disc
08/07/2008US20080184833 Steering Rack and Method of Manufacture Thereof
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