Patents for B21K 1 - Making machine elements (7,621) |
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06/09/2011 | US20110131810 Process for manufacturing a bearing |
06/09/2011 | DE19830817B4 Verfahren zum Umformen eines Werkstücks durch Drückwalzen A method of forming a workpiece by flow-forming |
06/09/2011 | DE102009056917A1 Piston manufacturing method for internal combustion engine, involves machining surface of piston lower part after separating piston upper part from piston lower part and before welding piston upper part with piston lower part |
06/08/2011 | EP2329899A1 Method for producing light alloy vehicle wheel |
06/08/2011 | CN201855909U Female die for molding head part of external plum blossom flange type bolt |
06/08/2011 | CN1724187B Method of pre-processing spray nozzle needle stand and fuel jet device |
06/08/2011 | CN102085559A Method for producing light alloy vehicle wheel |
06/08/2011 | CN101745785B Method for manufacturing neutron flux-measured sleeve crossed stiffened plate by forging |
06/08/2011 | CN101579718B Nut shaping machine rod mechanism with double force |
06/08/2011 | CN101520067B Cold-headed embedded nut and manufacturing method thereof |
06/08/2011 | CN101362181B Clutch gear manufacturing apparatus and clutch gear manufacturing method |
06/08/2011 | CN101198425B Method and device for producing internal tooth section and external tooth section on cylinder type hollow member with thin wall |
06/07/2011 | US7954241 Self-lubricating bearing and its manufacturing process |
06/03/2011 | WO2011065297A1 Apparatus for manufacturing plate-shaped gear teeth member |
06/03/2011 | WO2011064466A1 Reinforcement-linking device and manufacturing method thereof |
06/03/2011 | WO2011064098A1 Chipless produced bearing shell |
06/03/2011 | WO2011063542A1 Method and device for producing a molded part provided with a through-hole |
06/01/2011 | EP2327804A1 Exhaust poppet valve and solution treatment method of poppet valve |
06/01/2011 | CN102084201A Heat exchanger, in particular heat exchanger of a motor vehicle, and method for producing a cooling pipe of a heat exchanger |
06/01/2011 | CN102078912A Buffer devices for heavy crankshaft edge-cutting hydraulic machine |
05/24/2011 | US7946770 Hydrodynamic bearing device |
05/24/2011 | US7946034 Method for manufacturing a tribological component |
05/24/2011 | CA2427201C Method of manufacturing a blind threaded insert |
05/19/2011 | WO2011058793A1 Seat faced poppet valve and method for producing same |
05/19/2011 | WO2011057933A1 Self-piercing rivet |
05/18/2011 | EP2322299A1 Enlargement processing method for workpiece |
05/18/2011 | EP2322295A2 Metal manufacturing method, apparatus of the same and metal object |
05/18/2011 | EP1177610B1 Method for producing a shaft and a device containing a shaft of this type |
05/18/2011 | CN201832942U Rotary forging press flange plate forming die |
05/18/2011 | CN102059315A Riser upper cover and manufacturing method thereof |
05/18/2011 | CN101695739B Forging process of large tee and large skew tee |
05/18/2011 | CN101506401B Powder forged member, powder mixture for powder forging, method for producing powder forged member, and fracture split type connecting rod using the same |
05/18/2011 | CN101006189B Method of manufacturing a hardened forged steel component |
05/17/2011 | US7941926 Apparatus for manufacturing hydro dynamic bearing device method |
05/17/2011 | US7941922 Method of manufacturing a lightweight valve |
05/12/2011 | WO2011054201A1 Upsetting press with two female dies and three punches and method for operating the same |
05/12/2011 | DE102009044495B3 Producing bolt head formed on shaft of welding stud with a stud flange and its ignition tip, comprises ordering the welding studs over a disk overhanging in radial direction of stud flange, where the bolt head is formed with the flange |
05/11/2011 | EP2171256B1 Injection valve, method for its production and device for carrying out the method |
05/11/2011 | CN201823878U Mold of prismatic bolts |
05/11/2011 | CN201823861U Forging die for hub bolt |
05/11/2011 | CN102056688A Method of making a ring |
05/10/2011 | CA2679751C Method of spinning multiple parts |
05/05/2011 | WO2011052708A1 Method for producing near-net-shape material for engine piston |
05/05/2011 | WO2011051496A1 Method for producing a hollow body |
05/05/2011 | WO2011050815A1 An exhaust valve spindle for an internal combustion engine, and a method of manufacturing |
05/05/2011 | WO2010108486A4 Stamping method and workpiece produced therewith |
05/05/2011 | DE102010045025A1 Method for the production of an aluminum molded part, comprises heat-treating a semi-finished product and directly carrying out a deformation step for processing the semi-finished product after the heat treatment |
05/05/2011 | DE102009046161A1 Verfahren zur Herstellung eines plattenartigen Elements aus Metall, insbesondere einer Stellplatte für Beschläge A method for producing a plate-like member made of metal, in particular an adjusting plate for fittings |
05/04/2011 | EP1532373B1 Self-attaching female fastener and method of installation |
05/04/2011 | CN201815624U Upsetting flange manufacturing device |
05/04/2011 | CN201815620U Die for forging high-precision crank shaft |
05/04/2011 | CN201815618U Precision forging die capable of forging tooth form of straight toothed spur gear |
05/04/2011 | CN102039364A Shaping process of fan shaft |
05/04/2011 | CN101774107B Method for forging Venturi tubes |
05/04/2011 | CN101618498B Manufacturing process of adjusting nut |
05/03/2011 | US7934316 Charging roller, process cartridge and image forming apparatus |
04/28/2011 | US20110097173 Functional element, component assembly comprising the functional element in combination with a sheet metal part, method for the manufacture of a component assembly and also method for the manufacture of the functional element |
04/27/2011 | CN201807693U Forging die for crankshaft |
04/27/2011 | CN102029351A Method for manufacturing wind power forging by using 20CrMnMo continuous casting blank |
04/27/2011 | CN102029350A Progressive forging forming method for large cake forged pieces |
04/27/2011 | CN102029349A Forging device for middle lug boss of large gear forging |
04/27/2011 | CN102029348A Multi-way die forging process method and mould for 40Cr steel case type parts |
04/27/2011 | CN102029347A Manufacturing method of gear shaft forge piece for offshore drilling platform |
04/26/2011 | US7930825 Blowout resistant weld method for laser welds for press-fit parts |
04/21/2011 | WO2011046196A1 Process for producing brake piston |
04/21/2011 | US20110089360 Flow control valve and method for manufacturing the same |
04/21/2011 | US20110089352 Overmolded or pressed-in sleeve for hydraulic routing of solenoid |
04/20/2011 | EP2310164A1 Method for producing a bimetal valve |
04/20/2011 | EP1844875B1 Method and device for upsetting cylindrical material |
04/20/2011 | CN201799563U Support device for pressing large screws |
04/20/2011 | CN201799562U Full-automatic forging bed of inflating valve body |
04/20/2011 | CN201799555U Large screw forging die |
04/20/2011 | CN102026825A Method for forming a wheel bearing device |
04/20/2011 | CN102019534A Manufacturing method of valve part |
04/20/2011 | CN102019344A Quadrangular rivet and manufacturing method thereof |
04/20/2011 | CN101219457B Preparation of pre-coated aluminium alloy articles |
04/14/2011 | WO2011041811A1 Sintered coupling ring |
04/14/2011 | US20110083907 Polycrystalline diamond |
04/14/2011 | CA2749363A1 Sintered coupling ring |
04/13/2011 | EP2307156A1 Method of making a ring |
04/13/2011 | CN201791890U Tooth profile die and gear fine forging die having same |
04/13/2011 | CN201791887U Precise-forging upsetting and punching progressive die for disc type parts |
04/13/2011 | CN102015151A Bush widening apparatus and process for forging a bush blank |
04/13/2011 | CN102011852A Method for processing transmission gear ring |
04/13/2011 | CN102009119A Vertical double-end face forging process of primary driving tooth blank |
04/13/2011 | CN101262965B Process for producing molded article with undercut, forging apparatus therefor |
04/12/2011 | US7921565 Working fluid injection apparatus, method of injecting working fluid, and method of manufacturing fluid dynamic pressure bearing |
04/07/2011 | WO2011005722A3 Application of electric induction energy for manufacture of irregularly shaped shafts with cylindrical components including non-unitarily forged crankshafts and camshafts |
04/05/2011 | US7918022 Method of producing a cooling channel piston for an internal combustion engine |
03/31/2011 | US20110076204 Pinch valve and method for manufacturing same |
03/31/2011 | US20110076109 Blind Fasteners and Methods of Manufacture |
03/31/2011 | US20110072666 Method of manufacturing rolling bearing device |
03/31/2011 | DE102009019249B4 Verfahren zur Herstellung eines Profils in einer Wand eines Werkstücks A process for producing a profile in a wall of a workpiece |
03/30/2011 | CN201776382U Matched die of fine riveting machine |
03/30/2011 | CN101992256A Method for manufacturing a balancing shaft |
03/24/2011 | US20110070052 Nut Assembly and Method for the Production the Same |
03/24/2011 | US20110067766 Vacuum actuated fluid delivery |
03/24/2011 | US20110067477 Steering rack manufacture |
03/24/2011 | DE102009041087A1 Tool e.g. deforming tool, for producing beveloid-tooth work for conical front toothed wheel, has left tooth flank whose profile angle is differ from profile angle of right tooth flank of teeth that produce tooth work at workpiece |
03/23/2011 | EP2297537A1 Heat exchanger, in particular heat exchanger of a motor vehicle, and method for producing a cooling pipe of a heat exchanger |