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:
Apr. 21, 1981
Filed:
Sep. 29, 1978
Applicant:
Inventors:
Yasunobu Yamamoto, Chiryu, JP;
Hiroshi Ban, Toyota, JP;
Katumi Nakavishi, Midori-ku, Nagoya, JP;
Ryoichi Tomikawa, Toyota, JP;
Katumi Nakanishi, Nagoya, JP;
Ryoichi Tomikawa, Toyota, JP;
Toshitake Kato, Toyoake, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
1921 / ; 162145 ; 162146 ; 1882 / ; 260 / ; 260 / ; 260 38 ; 428288 ; 428328 ; 428379 ; 428401 ; 428402 ; 428935 ; 428936 ; 106 36 ;
Abstract
A friction member is a clutch facing, a brake pad, or a brake lining which comprises a phenolic fiber, a plated organic fiber, and/or mixed fiber thereof, which may or may not comprise the other fibers such as nonorganic fibers, as based material of the aforementioned friction member, wherein various difficulties of asbestos are improved.