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:
Dec. 28, 2021
Filed:
Jan. 11, 2017
Applicant:
Akebono Brake Industry Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
AKEBONO BRAKE INDUSTRY CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 69/02 (2006.01); F16D 13/60 (2006.01);
U.S. Cl.
CPC ...
F16D 69/026 (2013.01); F16D 13/60 (2013.01); F16D 2200/0069 (2013.01); F16D 2200/0086 (2013.01);
Abstract
A friction material composition of the present invention includes a fibrous base, a friction regulator, and a binder and has a copper content of 0.5 mass % or less in terms of copper element amount. The friction material composition contains regenerated cellulosic fibers as the fibrous base. In an embodiment of the friction material composition, the regenerated cellulose fiber has a fiber length of 2 mm to 20 mm.