Patent
1990-02-08
1991-03-05
Ullah, Akm
G02B 644
Patent
active
049972561
ABSTRACT:
An optical fiber unit suitable for installation by the force of a fluid flowing through a passage. The unit includes at least one optical fiber and at least one interstitial cord. The fibers and cords are of the same diameter. They are bundled and surrounded by a first sheath that is formed of a material having a high Young's modulus. An outer sheath, of foamed polyethelene surrounds the first sheath.
REFERENCES:
patent: 4038489 (1977-07-01), Stenson et al.
patent: 4093342 (1978-06-01), Foord et al.
patent: 4166670 (1979-09-01), Ramsay
patent: 4913515 (1990-04-01), Braunmiller et al.
Hayashi Kuni
Sano Hiroaki
Terasawa Yoshiaki
Sumitomo Electric Industries Ltd.
Ullah Akm
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