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:
Apr. 16, 2013
Filed:
Jun. 23, 2009
Yoshihiro Tsukamoto, Toyama, JP;
Tsuyoshi Kimura, Toyama, JP;
Yasushi Fujishige, Otake, JP;
Rie Akihara, Otake, JP;
Mitsuhiro Matsuo, Otake, JP;
Yoshihiro Tsukamoto, Toyama, JP;
Tsuyoshi Kimura, Toyama, JP;
Yasushi Fujishige, Otake, JP;
Rie Akihara, Otake, JP;
Mitsuhiro Matsuo, Otake, JP;
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Abstract
A plastic optical fiber cable includes: a bare plastic optical fiber including a core formed of a polymer containing a methyl methacrylate unit, and a clad layer including a layer formed of a specific fluorine-containing olefin resin at least in the outermost layer; and a coating layer around the bare plastic optical fiber, the coating layer including a light-shielding coating layer formed of a specific nylon resin composition, a functional coating layer (C) and a functional coating layer (D) in this order, where one of the functional coating layer (C) and the functional coating layer (D) is formed of a resin composition (I) containing a polybutylene terephthalate resin as a major component or an ethylene-vinyl alcohol copolymer as a major component; the other is formed of a specific nylon resin composition (II); and a ratio of the thickness of the functional coating layer (C) to the thickness of the functional coating layer (D) is set to fall within a specific range.