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. 14, 2017
Filed:
Mar. 17, 2015
Meidensha Corporation, Shinagawa-ku, Tokyo, JP;
Yasushi Noda, Fuji, JP;
Hiromasa Sato, Odawara, JP;
Meidensha Corporation, Tokyo, JP;
Abstract
Provided are a method for producing an electrode material for a vacuum circuit breaker, whereby withstand voltage, high current interruption performance and capacitor switching performance can be improved; an electrode material for a vacuum circuit breaker; and an electrode for a vacuum circuit breaker. A contact material for an electrode for a vacuum circuit breaker has an integral structure consisting of a central member and a Cu—Cr outer peripheral member, the central member having been produced as described above and comprising 30 to 50 wt % of Cu of a particle diameter of 20 to 150 μm and 50 to 70 wt % of Mo—Cr of a particle diameter of 1 to 5 μm, while the outer peripheral member being formed of a material, which is highly compatible with the central member, shows excellent interruption performance and had high withstand voltage, and being provided outside the central member and fixed thereto.