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:
Sep. 21, 1982
Filed:
Apr. 01, 1980
Applicant:
Inventor:
Nobuo Kamioka, Kasukabe, JP;
Assignee:
Akebono Brake Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75231 ; 75228 ; 106 36 ; 1882 / ; 1882 / ; 1921 / ;
Abstract
Fe-base sintered alloy friction materials containing 3 to 15% of bismuth of Bi-Pb alloy containing 5 to 100% bismuth, which provide very stable friction coefficient over a wide range from low temperature zones to high temperature zones, and very excellent wear resistance.