Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21K - Making forged or pressed products, e.g. horse-shoes, rivets, bolts, wheels › B21K 1 - Making machine elements
Patents for B21K 1 - Making machine elements (7,621)
12/2003
12/17/2003EP1370775A1 Threaded fastener
12/17/2003EP1370378A1 Method and apparatus for manufacture of a forged rack
12/10/2003CN1460796A Method for mfg. blade of compressor
12/04/2003WO2003100270A1 Housing for receiving a bearing component and method for producing the same
12/03/2003EP0828863B1 Preparation of pre-coated aluminum alloy articles
12/03/2003CN1460129A Method for mfg. plastic worked article
11/2003
11/27/2003WO2003097889A1 Method of manufacturing rivets having high strength and formability
11/27/2003US20030218053 Method of manufacturing rivets having high strength and formability
11/27/2003US20030217466 Method for producing a full face fabricated vehicle wheel
11/26/2003EP0726186B1 Belt mounting clamp for seat belt assembly and process for production thereof
11/20/2003US20030215306 Screwed connection and connecting means for it and method of producing them
11/20/2003US20030213321 Hollow rack shaft and manufacturing method thereof
11/20/2003US20030213277 Forging die apparatus
11/18/2003US6648766 Cool-wrought pressing forming method for slotted headless screws
11/18/2003US6648350 Suspension system for a vehicle having a vehicle stabilizer bar with integral end links
11/13/2003WO2003093683A2 Nut and method for the production thereof
11/13/2003US20030209137 Shoe for use in swash plate type compressor and method of forming the same
11/13/2003US20030209100 Hollow rack shaft
11/13/2003CA2452237A1 Nut and method for the production thereof
11/12/2003EP1361123A2 Seat belt anchorage plate and method of manufacturing thereof
11/12/2003EP1360404A1 Lower part for a multi-piece piston
11/12/2003EP1360338A2 Manufacturing process for making engine components of high carbon content steel using cold forming techniques
11/12/2003CN1454732A Cylinder apparatus and method for producing bar used in cylinder device
11/06/2003WO2003091604A1 Gear product and method of manufacturing the gear product
11/06/2003WO2003091581A1 Blind rivet and method to make same
11/05/2003EP1171252B1 Method for massive forming axisymmetric metal components
10/2003
10/30/2003WO2003025403A3 Screw head formation
10/30/2003US20030201254 Method of manufacturing a welding stud
10/30/2003US20030200783 Hollow tubular blank provided in wall thereof with one or more reinforcing ribs
10/30/2003US20030200646 Manufacturing method for a spindle motor rotor hub
10/29/2003EP1355751A1 Method for producing a housing for a ball joint
10/29/2003CN1125736C Process of making blank of inner spider for constant speed cardan of automobile
10/29/2003CN1125693C Manufacture of combining tooth blank for automobile gear box
10/28/2003US6638381 Method for preparing ultra-fine grain titanium and titanium-alloy articles and articles prepared thereby
10/23/2003US20030198513 Method of making steel couplers for joining concrete reinforcing bars
10/23/2003US20030196469 Method for manufacturing a hollow rack shaft
10/22/2003EP1355080A1 Outer shell unit and method of manufacturing the unit
10/22/2003CN1450283A Method for mfg of inner and outer race ring of bearing and radial bearing
10/22/2003CN1450280A Method for mfg of eccentral rotary axle of compressor
10/22/2003CN1124909C Process for fabrication of rack shaft and fabrication machine therefor
10/21/2003US6635128 Work hardened poppet exhaust valve
10/21/2003US6634078 Method of manufacturing a splined member for use in a slip joint
10/15/2003EP1352695A1 Joint device and method of manufacturing housing of the device
10/15/2003CN1449094A Method for manufacturing wheel hub of mainshaft motor rotor
10/15/2003CN1448636A Method of manufacturing a piston having a hollow piston head
10/09/2003US20030188633 Piston for internal combustion engine
10/08/2003EP1350584A2 Method and tool for forming a forged connecting rod
10/08/2003EP1253984B1 Method and a press cylinder device for producing a hollow body
10/08/2003CN1447036A Mfg. method of mini ball bearing
10/02/2003WO2003080271A1 Method for producing an annular element comprising an inner toothing, especially a sliding sleeve, and device for carrying out the method
10/02/2003US20030183076 Method of manufacturing a piston having a hollow piston head
10/01/2003EP1348501A1 Method for the manufacture of a forged connecting rod and tool for carrying out the method
09/2003
09/30/2003US6626020 Method of producing vibration-isolating bushing
09/25/2003US20030177626 Rivets and methods for their production and use
09/24/2003EP1345715A1 Forging press comprising an adjusting device on the matrix side thereof
09/24/2003EP0918953B1 Torque transmitting member in a clutch
09/24/2003CN1443948A Technology for mfg. small ball-bearing
09/24/2003CN1443946A Production process of high strength bolt with above 1300MPa
09/24/2003CN1443940A Piston shoes for oblique disk type compressor
09/24/2003CN1121916C Spectacle plate and cutting ring for concrete delivering pump and making technology thereof
09/18/2003WO2003076825A2 Pinion carrier for planetary gear train and method of making same
09/18/2003WO2003076097A1 Method of manufacturing torsion bar for vehicle steering device and torsion bar
09/18/2003US20030172532 Method for making hollow bicycle cranks
09/18/2003CA2445493A1 Pinion carrier for planetary gear train and method of making same
09/17/2003EP1086316B1 Method of forming a tubular member
09/16/2003US6620262 Method of manufacturing inner and outer races of deep groove ball bearing in continuous annealing furnace
09/16/2003US6619888 Flange nut for mine roof bolt
09/12/2003WO2003074209A2 A method of manufacture of a metallic component apparatus for use in the method and method of finishing a metallic component
09/11/2003US20030170069 Method for manufacturing arm of joint and joint
09/11/2003US20030168126 Outer ring member for constant velocity joint and method of manufacturing the member
09/10/2003EP1342919A2 Shoe for use in swash plate type compressor and method of forming the same
09/09/2003US6615632 Parting tool
09/09/2003US6615487 Method for manufacturing valve timing adjusting apparatus
09/09/2003US6615476 Method of manufacturing a hollow shaft having a flange at one end thereof
09/04/2003WO2001026840A9 Cold forging and method of manufacturing the cold forging
09/03/2003EP1339511A1 Method and device for the continuous production of workpieces from an unprofiled longitudinal section and use thereof
09/02/2003US6612033 Method for making hollow bicycle cranks
08/2003
08/28/2003US20030159533 Method for producing a shaft and device containing one such a shaft
08/28/2003US20030159284 Production method of cam lobe piece of assembled camshaft
08/28/2003DE20308100U1 Hanger claw for mine galleries, comprises forged part with single piece construction
08/27/2003CN1438081A Technology for processing spindle nose forged piece of heavy automobile
08/26/2003US6609286 Process for manufacturing a part of a metal matrix composite material
08/21/2003WO2003069185A1 Work piece, metal push belt and method and processing tool for producing the same
08/21/2003US20030156889 Method for heading a bushing, particularly a bushing forming an elastic articulation and the eleastic articulation and bushing obtained using said method
08/21/2003US20030154602 Process for manufacturing miniature ball bearings
08/21/2003US20030154601 Process for manufacturing miniature ball bearings
08/20/2003EP1336443A1 Method for manufacturing arm of joint and joint
08/20/2003CN1436621A Production process of steel flange blank
08/20/2003CN1436620A Production process of steel flange blank
08/19/2003US6606895 Method of manufacturing a crown-shaped component
08/14/2003WO2003067088A1 Piston for compressor and method for manufacturing the same
08/13/2003CN1117643C Pipe fitting forging method
08/07/2003WO2003064074A1 Method and device for producing a steering rack
08/07/2003WO2003064073A1 Method of forming spline and keyway for sheet metal rotating member with boss part
08/07/2003WO2002006658A9 A piston head and to a method of making a piston head
08/07/2003US20030147570 Low cost fluid dynamic bearing motor
08/07/2003US20030146591 Wheel driving unit and method of manufacturing the same
08/07/2003US20030145918 Method for manufacturing plastic worked article
08/07/2003US20030145466 Method for manufacturing alloy wheel for automobile
08/07/2003US20030145448 Method for producing hollow bodies, profile for use in said method, hollow body, assembly unit and mold
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