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:
Nov. 22, 2022
Filed:
Aug. 07, 2018
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventors:
Takumi Akada, Osaka, JP;
Shinei Takamura, Osaka, JP;
Daigo Sato, Osaka, JP;
Takaaki Enomoto, Osaka, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/58 (2006.01); B32B 15/01 (2006.01); C22C 38/02 (2006.01); C21D 1/78 (2006.01); C23C 2/38 (2006.01); C23C 28/02 (2006.01);
U.S. Cl.
CPC ...
C22C 38/58 (2013.01); B32B 15/015 (2013.01); C21D 1/78 (2013.01); C22C 38/02 (2013.01); C23C 2/38 (2013.01); C23C 28/021 (2013.01); B32B 2255/06 (2013.01); B32B 2255/205 (2013.01); B32B 2311/12 (2013.01); B32B 2311/30 (2013.01); C21D 2211/009 (2013.01); Y10T 428/12917 (2015.01);
Abstract
A copper-coated steel wire includes a core wire made of a steel and a coating layer made of copper or a copper alloy which covers an outer peripheral surface of the core wire. The coating layer includes an intermediate layer which is disposed in a region including the interface with the core wire and has a higher zinc concentration than a remaining region of the coating layer.