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. 11, 1992
Filed:
Jul. 25, 1990
Applicant:
Inventors:
Mikiharu Fukuchi, Yokohama, JP;
Yasuhiko Nakano, Yokohama, JP;
Keisuke Hayashi, Chigasaki, JP;
Isamu Koseki, Yokosuka, JP;
Masami Ito, Kamakura, JP;
Ryozo Akiyama, Yokosuka, JP;
Assignees:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Toshiba Material Engineering Corporation, Yokohama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ; C22C / ;
U.S. Cl.
CPC ...
148 / ; 75248 ; 75952 ; 148 / ; 148423 ; 419-4 ; 420430 ;
Abstract
A vibration-proof tungsten wire which forms, in cases where the diameter of the wire is D mm and when an electric current corresponding to 90% of the fusion current value is passed therethrough for 5 minutes, a wire having