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:
Jan. 29, 2019
Filed:
Nov. 11, 2014
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); C08K 3/08 (2006.01); C08K 3/22 (2006.01); C08K 7/02 (2006.01);
U.S. Cl.
CPC ...
F16D 69/026 (2013.01); C08K 3/08 (2013.01); C08K 3/22 (2013.01); C08K 7/02 (2013.01); F16D 69/028 (2013.01); C08K 2003/0893 (2013.01); C08K 2003/2206 (2013.01); F16D 2200/006 (2013.01); F16D 2200/0026 (2013.01); F16D 2200/0056 (2013.01); F16D 2200/0069 (2013.01);
Abstract
This friction material contains a fiber base material, a friction modifier and a binder. The content of copper in the friction material is not more than 0.5 mass % in terms of elemental copper, and the content of the binder is at least 10 mass %. Furthermore, the friction material contains calcium hydroxide and zinc, and has a pH of at least 11.7.