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:
May. 12, 1992
Filed:
Nov. 13, 1990
Applicant:
Inventors:
Tadashi Tanaka, Konan, JP;
Masaaki Sakamoto, Nagoya, JP;
Yoshiaki Sato, Gifu, JP;
Tohru Kato, Seto, JP;
Assignee:
Daido Metal Company Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ; B32B / ;
U.S. Cl.
CPC ...
148437 ; 148-2 ; 148 / ; 384912 ; 420528 ; 428654 ; 428926 ;
Abstract
Disclosed is an aluminum based alloy bearing having a strengthened intermediate bonding layer, which comprises a backing steel, an intermediate bonding layer and an aluminum based bearing alloy layer. In this alloy bearing, the intermediate bonding layer has a hardness ranging from 40% to 70% of that of the aluminum based bearing alloy layer in terms of Vicker's hardness.