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. 02, 1985
Filed:
May. 09, 1980
Applicant:
Inventors:
Takeshi Hiraoka, Saitama, JP;
Shigeru Urano, Saitama, JP;
Masajiro Takeshita, Saitama, JP;
Keiji Nakamura, Chiba, JP;
Assignee:
Nippon Piston Ring Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75236 ; 75246 ;
Abstract
A wear resistant ferro-based sintered alloy comprising a base structure comprising a mixture of 20 to 50% by area ratio of pearlite, 15 to 40% by area ratio of bainite and 15 to 40% by area ratio of martensite, and 3 to 20% by area ratio of ferromolybdenum particles dispersed uniformly in the base structure is disclosed.