Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Katsumi Takezawa0
Masataka Kawabata0
Atsushi Suzuki0
Hideki Tatewaki0
Date of Patent
February 5, 2008
0Patent Application Number
106854380
Date Filed
October 16, 2003
0Patent Primary Examiner
Patent abstract
The present invention provides a wet type friction material comprising a paper base material and binder, in which the paper base material includes silica having an average particle diameter of 1 to 10 μm and disc-shaped diatom earth, and the binder comprises a cured substance of liquid resin composition material obtained by mixing resol type phenol resin with silicone resin, where a weight ratio between non-volatile components of the resol type phenol resin and the silicone resin is adjusted to a range of 95/5 to 85/15.
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