Optical waveguides – Optical transmission cable – Tightly confined
Patent
1991-09-30
1994-05-03
Ullah, Akm E.
Optical waveguides
Optical transmission cable
Tightly confined
G02B 644
Patent
active
053095391
ABSTRACT:
A communication cable comprising an outer sheath layer and at least one pipe through which an optical fiber unit is laid by means of a compressed gas, the outer sheath layer comprising a high-melting and flame-retardant resin and having on the inside thereof an inorganic fiber layer. The communication cable has excellent flame retardance.
REFERENCES:
patent: 4575184 (1986-03-01), Ueno et al.
patent: 4787707 (1988-11-01), Kitayama et al.
patent: 4840453 (1989-06-01), Kitayama
patent: 4952021 (1990-08-01), Aoki et al.
patent: 4953945 (1990-09-01), Nishimura et al.
patent: 4957345 (1990-09-01), Sakuma et al.
Ohta Jun-Ichi
Sano Hiroaki
Suzuki Nobuyuki
Sumitomo Electric Industries Ltd.
Ullah Akm E.
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