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:
Jan. 19, 1982
Filed:
Sep. 05, 1979
Applicant:
Inventor:
Yoshikatsu Nakamura, Omiya, JP;
Assignee:
Nippon Piston Ring Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75240 ; 428550 ; 428564 ; 428565 ;
Abstract
A sliding member, particularly adapted for use in an internal combustion engine, having a sprayed-on sliding surface consisting of 95.5 to 99.5% metal carbide such as chromium carbide and the remainder molybdenum. The hardness of the metal carbide is in a range of H.sub.v 750 to H.sub.v 2,000, the porosity of the layer is 30% or less and the thickness of the layer is 2.5 mm or less.