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