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:
Aug. 04, 2009
Filed:
Feb. 09, 2006
Applicants:
Yoshiki Ono, Yokohama, JP;
Masashi Sakamoto, Yokohama, JP;
Inventors:
Yoshiki Ono, Yokohama, JP;
Masashi Sakamoto, Yokohama, JP;
Assignee:
NHK Spring Co., Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 19/07 (2006.01); C22C 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A Co—Cr—Mo-based alloy includes: 63 mass %≦Co<68 mass %; 15 mass %≦Cr<26 mass %; 10 mass %≦Mo<19 mass %; and the balance of inevitable impurities, wherein the total amount of Cr and Mo is from 32 mass % to 37%. The mass magnetic susceptibility of the alloy is 7×4π·10m/kg or less at room temperature, and the Vickers hardness number (Hv) of the alloy is 400 or more.