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:
Oct. 27, 2020
Filed:
Jan. 05, 2016
Sumitomo Electric Industries, Ltd., Osaka-shi, JP;
Masashi Oikawa, Itami, JP;
Masato Yamada, Itami, JP;
Yoshiyuki Matsubara, Itami, JP;
Shinji Nakaue, Itami, JP;
Toru Yamamoto, Tokyo, JP;
Shinichi Yamanobe, Tokyo, JP;
Michio Imai, Tokyo, JP;
Naoki Sogabe, Tokyo, JP;
Kazumasa Okubo, Tokyo, JP;
Kazuyoshi Chikiri, Fukuchiyama, JP;
Toshiyuki Kobayashi, Fukuchiyama, JP;
Sumitomo Electric Industries, Ltd., Osaka-shi, JP;
Abstract
A coated PC steel stranded cable includes: a stranded cable in which a plurality of elemental wires each composed of steel are twisted together; an anti-corrosive coating having an outer circumferential portion that coats an outer circumference of the stranded cable; an outer coating that coats an outer circumference of the anti-corrosive coating; and an optical fiber provided at a position inwardly of an outer circumferential surface of the outer coating and corresponding to a strand groove in the stranded cable so as to follow expansion and contraction of the stranded cable.