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:
Jul. 22, 2014
Filed:
Sep. 21, 2011
Kengo Tanabe, Tokyo, JP;
Takao Kaneko, Tokyo, JP;
Kengo Tanabe, Tokyo, JP;
Takao Kaneko, Tokyo, JP;
SWCC Showa Cable Systems Co., Ltd., Tokyo, JP;
Abstract
There is provided an optical fiber ribbon capable of realizing, in an optical cable, sure reliability, a reduction in size and weight, higher density, and a further improvement in workability, a method of manufacturing the same, and an optical cable using such an optical fiber ribbon. An optical fiber ribbonincludes four single-core coated optical fibersarranged in parallel on a same plane; and coupling partsarranged at intervals in a length direction and a width direction, each coupling only adjacent two of the single-core coated optical fibers, wherein an interval P of the coupling partscoupling the same two single-core coated optical fibers is not less than 20 mm nor more than 90 mm and a length Q of each of the coupling partsis not less than 1 mm nor more than 10 mm.