Head for laying optical fibers in alternating-lay grooves in a c

Details Head for laying optical fibers in alternating-lay grooves in a c Head for laying optical fibers in alternating-lay grooves in a c

1986-10-01

1987-05-12

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Covering or wrapping

57 9, 57 13, 57311, 57352, 350 9623, H01P 1100, D07B 300, G02B 604, H01B 1302

Patent

active

046639268

ABSTRACT:
A head (10) for laying optical fibers (2) in alternating lay grooves (1A) in a cylindrical core (1), the head comprising a die-holder (11) interconnecting three dies: an inlet die (12); an indexing die (13) including indexing combs; and an insertion die (14); each optical fiber being guided through an orifice (12A) in the inlet die, then through an orifice (13A) in the indexing die, and finally being laid in a groove of the core by the insertion die, said head further including, upstream from the inlet die, a fixed mandrel (20) through which the core passes, said mandrel being constituted by a tube (21) having a front guide (22) disposed at its upstream end with the optical fibers passing through said front guide, said mandrel further including a series of rotating disks (23) located between said front guide and said inlet die.

REFERENCES:
patent: 4154049 (1979-05-01), King et al.
patent: 4248035 (1981-02-01), Skillen et al.
patent: 4309864 (1982-01-01), Hulin
patent: 4309866 (1982-01-01), Fombellida
patent: 4388799 (1983-06-01), Vives
patent: 4411130 (1983-10-01), Dubois et al.

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