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:
May. 11, 2021
Filed:
Jul. 31, 2017
Fujikura Ltd., Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Mizuki Isaji, Sakura, JP;
Masatoshi Ohno, Sakura, JP;
Shinnosuke Sato, Sakura, JP;
Kouji Tomikawa, Sakura, JP;
Akira Namazue, Sakura, JP;
Ken Osato, Sakura, JP;
Naoki Nakagawa, Tsukuba, JP;
Yuji Aoyagi, Tsukuba, JP;
Shigekatsu Tetsutani, Tsukuba, JP;
Fujikura Ltd., Tokyo, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Abstract
An optical fiber cable includes: a core comprising gathered optical fibers; an inner sheath housing the core; a wire body embedded in the inner sheath; tension members embedded in the inner sheath, wherein the core is interposed between the tension members; a reinforcing sheet that covers the inner sheath; and an outer sheath that covers the reinforcing sheet, wherein in the inner sheath, t<Tand t<Tare satisfied, where a thickness of a radially inner portion between the core and the wire body is t, a thickness of a radially inner portion between the core and each of the tension members is T, a thickness of a radially outer portion between the wire body and the reinforcing sheet is t, a thickness of a radially outer portion between each of the tension members and the reinforcing sheet is T.