Control of a support filament for optical waveguides

Details Control of a support filament for optical waveguides Control of a support filament for optical waveguides

1980-11-20

1982-09-07

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Covering or wrapping

57352, D02G 344, D01H 1304, G02B 516

Patent

active

043476970

ABSTRACT:
A device and method for limiting the amount of twist in a support filament as elongate transmission elements are being laid into sinusoidal grooves in the filament. The device has a groove follower in which a probe extends into a groove whereby the follower rotates around the filament, dependent upon the sinuous movement of the groove. A limiting means prevents rotational movement of the follower and probe beyond specified points of rotation and this is sufficient to restrain the filament from further twisting beyond these points.

REFERENCES:
patent: 2501457 (1950-03-01), Thelin
patent: 4154049 (1979-05-01), King et al.
patent: 4195468 (1980-04-01), King et al.
patent: 4205899 (1980-06-01), King et al.
patent: 4237687 (1980-12-01), Vechis et al.
patent: 4248035 (1981-02-01), Skillen et al.

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