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:
Jul. 27, 2004
Filed:
Oct. 28, 2002
Applicant:
Inventors:
Yasushi Saitou, Nagoya, JP;
Eisaku Inoue, Nagoya, JP;
Masahito Fujita, Nagoya, JP;
Takayuki Shibayama, Nagoya, JP;
Assignee:
Daido Metal Company Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 7/02 ; B32B 1/518 ; B32B 1/520 ;
U.S. Cl.
CPC ...
B32B 7/02 ; B32B 1/518 ; B32B 1/520 ;
Abstract
There are provided a copper-based sintered sliding material comprising a steel back metal layer, and a sintered layer made of Cu or a Cu-based alloy which is bonded onto the steel back metal layer, the steel back metal layer having a hardness not less than 160 Hv and an elongation not less than 10%, the sintered layer having a hardness not more than 130 Hv and crystal grains each provided with a grain size not more than 45 &mgr;m, a method of producing the sliding material, and a sliding bearing formed of the sliding material.