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.

Date of Patent:
Aug. 17, 1993

Filed:

May. 01, 1992
Applicant:
Inventors:

Toshihiro Kobayashi, Nagano, JP;

Tokuhisa Tsutsui, Nagano, JP;

Yuuki Nakamura, Nagano, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ; C10M / ;
U.S. Cl.
CPC ...
428408 ; 428323 ; 428457 ; 4289088 ; 252 12 ; 252 122 ; 523468 ; 523512 ; 524265 ; 524496 ; 384907 ; 3849071 ; 384908 ; 384909 ; 384910 ;
Abstract

A bearing material mainly comprising plastics and a plastic bearing made thereof. The bearing material is composed of 30 to 98 wt % of glassy carbon and 70 to 2 wt % of plastics, and has persistent, excellent abrasion resistance, sliding properties, and heat resistance.


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