Strength members for the reinforcement of optical fibre cables

Details Strength members for the reinforcement of optical fibre cables Strength members for the reinforcement of optical fibre cables

1979-07-19

1981-05-26

Watkins, Donald

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

57 7, 57234, 57250, 57251, 57292, 57295, 57902, D02G 336, D02G 344, D07B 714

Patent

active

042690242

ABSTRACT:
A continuous elongate strength member for reinforcing an optical fibre cable consists of an assembly of aromatic polyamide filaments impregnated with a synthetic resin, in which the filaments are individually coated with the resin, and the filaments of at least an outer layer of the assembly are helically stranded. The impregnation is carried out by separating the filaments and immersing them in a low viscosity dispersion of the resin in a liquid medium; the filaments are then stranded, and the resin is cured. Apparatus for manufacturing the strength member and various forms of cable incorporating one or more strength members, are described.

REFERENCES:
patent: 2601394 (1952-06-01), Hansen
patent: 3339357 (1967-09-01), Merzocchi et al.
patent: 3885380 (1975-05-01), Hacker
patent: 4022010 (1977-05-01), Gladenbeck et al.
patent: 4095404 (1978-06-01), Babayan
patent: 4159618 (1979-07-01), Sokaris

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