Installation method of optical fiber composite electric...

Optical waveguides – Optical transmission cable – With electrical conductor in the same cable

Reexamination Certificate

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C385S102000, C385S109000, C385S113000, C174S1130AS

Reexamination Certificate

active

07574086

ABSTRACT:
Disclosed is installation of an optical fiber composite electric power cable. An installation method of an optical fiber composite electric power cable includes installing an electric power cable including a conductor and an air-blown installation tube therein at an installation region; connecting tubes of adjacent electric power cables to each other, in an electric power cable connection box; and installing an optical fiber unit into the connected tubes by air pressure. Also, a cable structure used for installing the optical fiber composite electric power cable includes a conductor for electric power transmission; an insulator surrounding the conductor; an air-blown installation tube provided outside of the insulator; and a corrosion-protective layer provided to an outermost layer of the cable.

REFERENCES:
patent: 5046815 (1991-09-01), Cain et al.
patent: 5897103 (1999-04-01), Griffioen
patent: 6049647 (2000-04-01), Register
patent: 6101304 (2000-08-01), Quistorff et al.
patent: 7027697 (2006-04-01), Tatarka et al.
patent: 2005/0199415 (2005-09-01), Glew
patent: 20-19954685 (1995-02-01), None
Haag, et al. New Genration of Self Supporting Optical Fibre Aerial Cables, International Wire and Cable Symposium, 1989, pp. 575-582.

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