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:
Jun. 03, 1986
Filed:
Oct. 19, 1984
Applicant:
Inventor:
Okimasa Yamada, Kitaibaraki, JP;
Assignee:
Nippon Mektron Ltd, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C01B / ;
U.S. Cl.
CPC ...
264 82 ; 264 295 ; 423445 ;
Abstract
When a molded, porous carbon article for use as a sliding material for bearing, etc. is maintained in a stream or atmosphere of a fluorine gas or a fluorine gas diluted with an inert gas, the surface of the article is treated with the fluorine gas, and considerable lowering of friction coefficient and considerable reduction in abrasion at the sliding can be attained.