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. 29, 2012
Filed:
May. 30, 2008
Applicants:
Yoshio Hashimoto, Sakura, JP;
Naoki Okada, Chiba, JP;
Inventors:
Yoshio Hashimoto, Sakura, JP;
Naoki Okada, Chiba, JP;
Assignee:
Fujikura Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); G02B 6/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical fiber cableincludes: a cable coreformed by stranding a plurality of loose tubes, each housing at least one optical fiber, on the periphery of a centered tension member; and a sheathdisposed on the outer periphery of the cable core. The sheathincludes: a first sheath portionin which the sheath is embedded in between each of the loose tubes; and a second sheath portion, in which the sheathis circumscribed around the cable core, to be thereby formed in a pipe shape. The first sheath portionand the second sheath portionare alternately positioned over the entire length of the cable core