G - Physics – 02 – B
Patent
G - Physics
02
B
88/97.64
G02B 6/44 (2006.01)
Patent
CA 1275841
ABSTRACT OF THE DISCLOSURE An optical fibre member is disclosed which in- cludes a compound sheath having an inner sheath of high modulus and density, and an outer sheath layer of low den- sity material having a lower modulus. The outer sheath layer may be of foamed polyethylene and the inner sheath of polypropylene, both conveniently formed by extrusion. The optical fibre members are especially suited for installa- tion in transmission lines by gas flow propulsion.
477946
British Telecommunications Public Limited Company
G. Ronald Bell & Associates
LandOfFree
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