Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Reexamination Certificate
2005-05-17
2005-05-17
Dye, Rena (Department: 1774)
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
C428S364000, C428S394000, C524S100000, C385S102000, C385S105000
Reexamination Certificate
active
06893719
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.
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Ishii Nobuhisa
Ishimaru Hitoshi
Izumita Hisashi
Nakajima Fuminori
Tachikura Masao
Dye Rena
Knobbe Martens Olson & Bear LLP
Nippon Telegraph and Telephone Corporation
Okano Electric Wire Co., Ltd.
The Furukawa Electric Co. Ltd.
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