| Patents for B21K 1 - Making machine elements (7,621) |
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| 03/27/2003 | US20030056361 Method for manufacturing forged product, and apparatus for manufacturing forged product |
| 03/27/2003 | CA2460163A1 Screw head formation |
| 03/26/2003 | EP1295654A2 Method of manufacturing hub unit for supporting wheel and die for manufacturing the same |
| 03/26/2003 | CN1405469A Outer gear manufacture method |
| 03/26/2003 | CN1404936A Separation-mould grooving machine |
| 03/25/2003 | US6537487 Method of manufacturing form tools for forming threaded fasteners |
| 03/25/2003 | US6536257 Speed-changing gear manufacturing apparatus |
| 03/20/2003 | US20030053887 Screw head formation |
| 03/20/2003 | US20030051777 Solution treatment of a non-heat-treated Ni based alloy having a composition equivalent to that of Inconel 718; secondary aging treatment is performed by holding the Ni based alloy at 710-760 C. for 5-10 hours |
| 03/19/2003 | EP1293583A1 Ni based alloy, method for producing the same, and forging die |
| 03/19/2003 | CN1403227A Machining process of spindle specially for castor |
| 03/19/2003 | CN1403226A Integral cold forging process of stepped tank commutator |
| 03/18/2003 | US6533362 Joining metal components |
| 03/18/2003 | US6532655 Method of manufacturing hollow piston for compressors |
| 03/13/2003 | US20030050124 Outer race for constant-velocity joints and manufacturing method therefor |
| 03/13/2003 | US20030047242 Hot forging the steel; machining and optionally piercing the forged product; carburizing and quenching and tempering the machined steel to attain an effective case depth of 0.4 to 0.9 mm |
| 03/13/2003 | US20030046972 Mechanism for periodically forging screws |
| 03/13/2003 | US20030046967 Manufacturing process for a radial fin heat sink |
| 03/12/2003 | EP1291539A2 An outer race for a constant-velocity joint and manufacturing method therefor |
| 03/12/2003 | EP1291095A2 Method of manufacturing an expanding sleeve |
| 03/12/2003 | CN1401447A Eccentric shaft cold-forging method without shear destruction |
| 03/12/2003 | CN1103002C Spiral drive system for threaded fasteners |
| 03/11/2003 | US6530149 Method for producing hollow piston for compressor by forging |
| 03/06/2003 | WO2003002880B1 Combination of screw with screwdriver bit and header punch for manufacturing screw |
| 03/06/2003 | US20030044257 Round hexagon screw and method for its production |
| 03/05/2003 | CN1400405A Copper alloy bearing holding frame and its preparation method |
| 03/05/2003 | CN1400404A Zinc-aluminium alloy bearing holding frame and its preparation method |
| 03/04/2003 | US6527491 Driving fit rivet made of aluminum |
| 02/27/2003 | WO2002078923A3 Method for manufacturing plastic worked article |
| 02/27/2003 | US20030037439 Manufacturing method of steel ball for rolling bearing |
| 02/26/2003 | EP1285177A1 Over-running clutch pulley with slip influence |
| 02/26/2003 | EP1284832A1 Method of manufacturing an over-running clutch pulley with deformable surface |
| 02/26/2003 | EP1284831A1 Method of manufacturing an over-running clutch pulley with retention member |
| 02/26/2003 | CN1398690A Precise forging technology for automobile steering knuckle |
| 02/25/2003 | US6523514 Rocker arm and method of manufacturing rocker arm body |
| 02/18/2003 | US6520860 Tool ring and a nail machine comprising such tool ring |
| 02/18/2003 | US6519852 Method of manufacturing an aluminum alloy wheel rim |
| 02/13/2003 | US20030029217 Method and device for moulding a tripod spider |
| 02/13/2003 | DE19549660C2 Verfahren zur Herstellung einer Sicherheitsgurt-Verankerungsplatte eines Gurtbefestigungsbügels für eine Sicherheitsgurtvorrichtung A method of manufacturing a seat belt anchorage plate for a seat belt device of a Gurtbefestigungsbügels |
| 02/13/2003 | DE19549650C2 Belt fixture for seat belt assembly, and process for its prodn |
| 02/12/2003 | CN1101283C Large mounting edge integrate forging process for engine and gas turbine |
| 02/11/2003 | US6516647 Method of producing homokinetic joints |
| 02/06/2003 | WO2003010429A1 Forged piston for internal combustion engine and manfacturing method thereof |
| 02/06/2003 | WO2002059383A3 Manufacturing process for making engine components of high carbon content steel using cold forming techniques |
| 02/04/2003 | US6514148 Thread rolling tap |
| 01/30/2003 | WO2003008129A1 Vibration isolating bush, and method of producing the same |
| 01/30/2003 | US20030022601 Gear and method of manufacturing gear |
| 01/30/2003 | US20030019269 Method and a press cylinder device for producing a hollow body |
| 01/30/2003 | US20030019105 Method of manufacturing an aluminum alloy wheel rim |
| 01/29/2003 | EP1107840B1 Method for producing a gear rack, and a stamping device for carrying out the method |
| 01/29/2003 | CN1393300A Technology for manufacturing blank of valve ball |
| 01/23/2003 | US20030015014 Extruded nut formation |
| 01/22/2003 | CN1392344A Method for producing support cushion block of compressor |
| 01/22/2003 | CN1392343A Method for producing support cushion block of compressor |
| 01/22/2003 | CN1392005A Rolling jetting and pressing (molding) method |
| 01/21/2003 | US6508715 Nail machine, and a tool ring and fitting for securing holding jaws for such machine |
| 01/21/2003 | US6508094 Internally-toothed member, and method and apparatus for molding same |
| 01/21/2003 | US6508002 Bicycle crank arm and method of making same |
| 01/21/2003 | US6507999 Method of manufacturing internal combustion engine pistons |
| 01/16/2003 | WO2003004197A1 Process for eliminating vertical flash on an as forged connecting rod |
| 01/16/2003 | US20030014148 Method of manufacturing shoe for compressor |
| 01/16/2003 | US20030010412 Comprising aluminum, silicon, magnesium, copper, manganese; vehicular suspension parts; resist to oxidation and corrosion, lightweight, high tensile strength, elongation, higher mechanical properties |
| 01/16/2003 | CA2451515A1 Process for eliminating vertical flash on an as forged connecting rod |
| 01/09/2003 | WO2003002880A1 Combination of screw with screwdriver bit and header punch for manufacturing screw |
| 01/09/2003 | WO2003002291A1 Selectively cold worked hydraulic motor/pump shoe |
| 01/09/2003 | WO2003002284A1 Outer ring member for constant velocity joint and method of manufacturing the member |
| 01/08/2003 | CN1389937A Fabrication of aluminium casing for square lithium iron accumulator |
| 01/07/2003 | US6502480 High performance forged aluminum connecting rod and method of making the same |
| 01/02/2003 | US20030002952 Combination of screw and screw driver bit and header punch for its manufacture |
| 01/02/2003 | US20030000603 Cold-heading one end portion of cylindrical blank to radially increase and axially diminish the dimensions of one end portion, and to work harden the one end portion while leaving an opposite end portion dimensionally unchanged; cold-working |
| 01/02/2003 | US20030000278 Method for manufacturing molded then forged parts comprising one or more recesses and the implementation installation thereof |
| 01/02/2003 | US20030000274 Forging of workpieces |
| 01/02/2003 | US20030000087 Process for eliminating vertical flash on an as-forged connecting rod |
| 01/02/2003 | US20030000069 Method for producing a shaft and a device containing a shaft of this type |
| 01/02/2003 | EP1270142A2 Manufacturing method of steel ball for rolling bearing |
| 01/02/2003 | EP1269029A2 Blind rivet, rivet pin, holding device, method for producing a blind rivet and method for creating a riveted joint |
| 01/02/2003 | EP1268119A2 Method for producing a welding pin |
| 01/02/2003 | EP1268103A2 Method for producing hollow bodies, profile for use in said method, hollow body, assembly unit and mold |
| 01/02/2003 | EP0594810B2 Bobbin body and process for producing the same |
| 01/01/2003 | CN1388331A Method for forming pipe rack and its apparatus |
| 12/19/2002 | US20020189316 Method of manufacturing shoe for compressor |
| 12/18/2002 | EP1267074A2 Method of manufacturing shoe for compressor |
| 12/18/2002 | EP1267073A2 Method of manufacturing shoe for compressor |
| 12/18/2002 | CN1386173A Dynamic pressure type thrust bearing device and method of manufacturing the same |
| 12/18/2002 | CN1385609A Method for producing slide-shoe of rotary inclined disc type compressor |
| 12/17/2002 | US6494652 Blind rivet and method of making the same |
| 12/17/2002 | US6494073 Method and apparatus for production of hollowed rack bars |
| 12/10/2002 | US6490790 Method of manufacturing preform for connecting rod |
| 12/05/2002 | US20020180109 Method for manufacturing a throttle |
| 11/28/2002 | US20020174740 Cast integral ring gear and differential case |
| 11/28/2002 | US20020174702 Pipe rack forming method and apparatus |
| 11/26/2002 | US6485371 Grooved nut and manufacturing method thereof |
| 11/21/2002 | US20020170697 Method of manufacturing lightweight high-strength member |
| 11/21/2002 | US20020170331 Tube drawing method and device |
| 11/20/2002 | EP1119426B1 Tool for producing a gear part having external toothing |
| 11/20/2002 | CN1094394C Apparatus for and method of sizing helical gears |
| 11/14/2002 | US20020166611 Forging a blank for producing the shoe into a roughly-shaped precursor shoe; thermally refining roughly-shaped precursor shoe; forging the roughly-shaped precursor shoe which has been thermally refined, into a size-adjusted shoe |
| 11/14/2002 | DE10122184A1 To shape tooth structures, in a row of teeth, the shaping is by plastic distortion of the tooth material, and the displaced material is taken up by a prepared opening |
| 11/13/2002 | EP1256716A2 Method of producing shoe for swash plate type compressor |
| 11/13/2002 | EP1097012B1 Method for producing an inner profile or an outer profile by rotary kneading |