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:
Mar. 02, 1976
Filed:
Oct. 01, 1974
Applicant:
Inventors:
Tsunehiko Todoroki, Yamatokoriyama, JA;
Sankichi Shida, Kawanishi, JA;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21C / ;
U.S. Cl.
CPC ...
72177 ; 72278 ; 72377 ; 2963 / ; 29DI / ; 72DI / ;
Abstract
A clad wire for an electric contact is made by sofening a clad tape, which consists of at least a base metal and a surface layer of noble metal, by annealing, forming the softened clad tape into a cross sectional form of a circular arc, and cold-drawing the formed clad tape through a die having a desired cross sectional shape so as to provide a clad wire.