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:
Apr. 24, 2001
Filed:
Nov. 15, 1993
Applicant:
Inventors:
Koji Sato, Yasugi, JP;
Rikizo Watanabe, Mooka, JP;
Takehiro Ohno, Yasugi, JP;
Yoshiki Masugata, Yasugi, JP;
Minoru Takuwa, Matsue, JP;
Shigeaki Sato, Tottori-ken, JP;
Yoshimi Senda, Yonago, JP;
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C22C 3/808 ; C22C 3/810 ;
U.S. Cl.
CPC ...
C22C 3/808 ; C22C 3/810 ;
Abstract
A high-strength low-thermal-expansion alloy consisting of, by weight, 0.06 to 0.50% C, 25 to 65% in total of one or both of 65% or less Co and less than 30% Ni, and balance of Fe as a main component, other optional elements and unavoidable impurities, and having a primary phase of austenite phase and martensite phase induced by working. A wire is made from the alloy.