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. 21, 1992
Filed:
Sep. 14, 1990
Nobuhiro Akasaka, Kanagawa, JP;
Toshiaki Zakoh, Kanagawa, JP;
Toru Yamanishi, Kanagawa, JP;
Wataru Katsurashima, Kanagawa, JP;
Ichiro Ogasawara, Kanagawa, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
A tape-like coated optical fiber comprises: a plurality of optical fiber strands arranged side by side on a plane; and a tape coating of ultraviolet curable resin applied onto an outer periphery of the plurality of optical fiber strands so as to integrate the plurality of optical fiber strands with each other; each of the plurality of optical fiber strands having an optical fiber glass, a coating layer of ultraviolet curable resin provided on an outer periphery of the optical fiber glass, and a colored layer provided on the coating layer of ultraviolet curable resin. The weight of a volatile component contained in a coloring material used in the colored layer at 60.degree. C. is not larger than 5% of weight of the coloring material.