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:
Feb. 14, 2023
Filed:
Sep. 18, 2019
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventors:
Rikimaru Takeda, Chiba, JP;
Norihiro Momotsu, Chiba, JP;
Assignee:
Fujikura Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01); G02B 6/04 (2006.01);
U.S. Cl.
CPC ...
G02B 6/4486 (2013.01); G02B 6/04 (2013.01); G02B 6/443 (2013.01);
Abstract
An optical fiber protective unit includes: a reticulated tube having openings that are reticulately formed, the reticulated tube being configured to accommodate a plurality of optical fibers inserted through the reticulated tube; a tubular member disposed inside the reticulated tube, the tubular member being configured to accommodate the plurality of optical fibers through the tubular member; and a cylindrical member attached to an end part of the reticulated tube. The cylindrical member has an inner diameter that is larger than an outer diameter of the tubular member.