Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masayuki Takagi0
Date of Patent
April 1, 2008
0Patent Application Number
107722360
Date Filed
February 6, 2004
0Patent Primary Examiner
Patent abstract
A method for manufacturing a clutch housing comprises: a first step of forming a work into a pre-product having a shaft portion and an outer drum portion enclosing the shaft portion integrally with the shaft portion; a second step of subjecting the pre-product to predetermined processing; and a third step of providing a spline on an inner periphery of the outer drum portion by flow forming, and forming the clutch housing into an almost completed product, wherein in the first step, an outer peripheral cylindrical portion of the outer drum portion is formed while being offset in an axial direction with respect to the shaft portion so that it is not opposite to at least part of the shaft portion in a radial direction.
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