The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 05, 2008
Filed:
Oct. 16, 2003
Masataka Kawabata, Toyota, JP;
Atsushi Suzuki, Okazaki, JP;
Hideki Tatewaki, Shizuoka-ken, JP;
Katsumi Takezawa, Fukuroi, JP;
Masataka Kawabata, Toyota, JP;
Atsushi Suzuki, Okazaki, JP;
Hideki Tatewaki, Shizuoka-ken, JP;
Katsumi Takezawa, Fukuroi, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
NSK-Warner K.K., Tokyo, JP;
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.