Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takuya Kitami0
Hiroshi Isobe0
Date of Patent
June 22, 2010
Patent Application Number
11963074
Date Filed
December 21, 2007
Patent Primary Examiner
Patent abstract
A non-asbestos friction material not containing a heavy metal and a heavy metallic compound as the blending ingredients of the friction material is provided with graphite and coke in total from 5 to 25 vol % in volume of friction material. A volume ratio of the graphite/coke is preferably from 2/1 to 7/1. An average particle size of the coke is preferably from 150 to 400 μm.
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