Covered optical fiber

Details Covered optical fiber Covered optical fiber

2005-07-05

2005-07-05

Font, Frank G. (Department: 2883)

Optical waveguides

Optical transmission cable

Loose tube type

C385S100000, C385S102000, C385S103000, C385S106000, C385S109000, C385S113000

Reexamination Certificate

active

06915052

ABSTRACT:
Covered optical fibers are provided comprising at least on optical fiber; and a buffer tube covering surrounding the optical fiber. The buffer tube covering is comprised of a blend of at least 40% by weight of a copolyether ester elastomer, at least 10% by weight of a rubbery modifier, and at least 10% by weight of an amorphous thermoplastic polymer, and has a melting point of at least 165° C. and a Trouser Tear Strength of less than 65 N/mm.

REFERENCES:
patent: 6483971 (2002-11-01), Gaillard et al.
patent: 6760528 (2004-07-01), Simomichi et al.
patent: 2002/0001440 (2002-01-01), Bourget
patent: 2003/0044139 (2003-03-01), Norris et al.

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