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. 17, 2005
Filed:
Jun. 28, 2000
Fuminori Nakajima, Tokyo, JP;
Nobuhisa Ishii, Tokyo, JP;
Masao Tachikura, Tokyo, JP;
Shigenori Uruno, Tokyo, JP;
Hisashi Izumita, Tokyo, JP;
Hitoshi Ishimaru, Yamato, JP;
Kuniaki Yamaguchi, Yamato, JP;
Fuminori Nakajima, Tokyo, JP;
Nobuhisa Ishii, Tokyo, JP;
Masao Tachikura, Tokyo, JP;
Shigenori Uruno, Tokyo, JP;
Hisashi Izumita, Tokyo, JP;
Hitoshi Ishimaru, Yamato, JP;
Kuniaki Yamaguchi, Yamato, JP;
The Furukawa Electric Co., Ltd., Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Okano Electric Wire Co., Ltd., Kanagawa-ken, JP;
Abstract
A single core optical fiber cord having an outer diameter of 1.2 mm or less, and having a structure in which an optical fiber core wire having a resin coating provided at the center, a tensile-strength-fiber layer around the periphery of the optical fiber core wire, and a coating layer around the outer periphery of the tensile-strength-fiber layer is provided. The coating layer can be composed of a non-halogen fire-retardant resin. The optical fiber cord has excellent fire retardant, mechanical and handling properties, although the outer diameter thereof is 1.2 mm or less.