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:
Jan. 04, 2022
Filed:
Dec. 11, 2018
Fujikura Ltd., Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Masatoshi Ohno, Sakura, JP;
Kouji Tomikawa, Sakura, JP;
Ken Osato, Sakura, JP;
Hiroaki Tanioka, Tsukuba, JP;
Shigekatsu Tetsutani, Tsukuba, JP;
Yohei Endo, Tsukuba, JP;
Yuta Maruo, Tsukuba, JP;
FUJIKURA LTD., Tokyo, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Abstract
An optical fiber cable includes: a cable body having a core and an inner sheath that accommodates the core; a reinforcing sheet that surrounds the cable body; an outer sheath that accommodates the cable body and the reinforcing sheet; and an outer ripcord that is embedded in the inner sheath. The inner sheath includes a projection that projects outwardly in a radial direction of the optical fiber cable. At least part of the outer ripcord is disposed inside the projection.