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:
Feb. 23, 1982
Filed:
Oct. 30, 1979
Applicant:
Inventors:
Mituo Kawai, Yokohama, JP;
Takashi Fujita, Ebina, JP;
Hideo Shirai, Yokohama, JP;
Masatoshi Nakagawa, Yokohama, JP;
Hiroshi Abe, Kawasaki, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75124 ; 75125 ; 148 / ; 148 31 ; 148 37 ;
Abstract
A metal alloy exhibiting exceptional damping characteristics consisting essentially of from 1 to 8% aluminum, 2 to 30% chromium, and including up to 0.02% carbon with the balance being essentially iron. The alloy is heat treated at a temperature in the range of 700.degree. to 1200.degree. C. to provide the alloy with the enhanced damping characteristics.