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:
Mar. 07, 1995
Filed:
Jun. 18, 1993
Applicant:
Inventors:
Assignee:
Nsk-Waner Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
523155 ; 523156 ; 524495 ; 524496 ;
Abstract
A wet frictional material comprises a fiber base material such as natural pulp fibers or organic synthetic fibers, a filler such as diatomaceous earth or cashew resin, a friction adjustment agent, thermosetting synthetic resin, and activated carbon fibers so that the wet frictional material is high in friction coefficient and superior in heat resistance.