Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 18, 2007
Patent Application Number
11175187
Date Filed
July 7, 2005
Patent Primary Examiner
Patent abstract
A method of manufacturing a clutch housing having a boss portion and a drum portion integrally provided with the boss portion, is characterized by steps of integrally forming the boss portion and the drum portion by hot forging, and forced-cooling at least a portion of the boss portion, continuous to the integrally forming step.
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