Buffer tubes for fiber optic cables

Optical waveguides – Optical transmission cable

Reexamination Certificate

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Reexamination Certificate

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06882784

ABSTRACT:
A communication cable for transmitting various communication signals. The cable comprises buffer tubes for optical fiber cables that are robust, crush resistant, flexible, and cost effective. To obtain these properties, the buffer tubes contain a polymeric mixture of high impact polystyrene and styrene-butadiene-styrene. The polymeric mixture for the buffer tubes may also contain crystalline polystyrene and/or acrylonitrile-butadiene-styrene.

REFERENCES:
patent: 4798445 (1989-01-01), Yamamoto et al.
patent: 5574816 (1996-11-01), Yang et al.
patent: 6650815 (2003-11-01), Hawtof et al.
patent: 20030228116 (2003-12-01), Davis et al.
patent: 1115017 (2001-11-01), None
Lorene Baccaro, Richard Black, Linda Nelson, “Characterization of alternate resins for fiber optic loose tubes”, p. 145-150, USA.

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