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. 05, 1988
Filed:
Jul. 09, 1986
Applicant:
Inventors:
Kouichi Iwata, Itami, JP;
Hiroshi Asano, Itami, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
523152 ; 523153 ; 523155 ; 523156 ; 523157 ; 523158 ; 523159 ;
Abstract
A friction material comprising 40 to 95% by volume of a granular material and a thermoset binder resin for binding said granular material, said granular material having been produced by binding at least one powder material with a binder resin so that at least 50% by weight of the granules has a particle size between 140 mesh on and 7 mesh pass, which has good fade resistance and wear resistance.