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:
Jul. 28, 1981
Filed:
Aug. 31, 1979
Applicant:
Inventor:
Osao Ogiwara, Hanyu, JP;
Assignee:
Akebono Brake Industry Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16D / ; C08L / ;
U.S. Cl.
CPC ...
260-3 ; 51298 ; 51299 ; 51308 ; 51309 ; 106 36 ; 106290 ; 106303 ; 106304 ; 188 731 ; 1882 / ; 1921 / ; 26099813 ; 260 38 ; 260 / ; 260-9 ; 428217 ; 428409 ;
Abstract
A friction material of the present invention is directed to secure a required value of an initial effect and the following effects after a friction hysteresis during a brake operation by adding 20-60 wt. % of a high carbon iron powder instead of a ceramic powder in the conventional friction material and also succeed in improving a wear resistance at a high temperature by further adding 0.5-10.5 wt. % of antimony trioxide as a flame retarding material.