Method for tinting and further processing of at least one light

Details Method for tinting and further processing of at least one light Method for tinting and further processing of at least one light

1989-03-13

1989-12-19

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

With coating or impregnating

57 6, 57 7, 57313, 350 9623, 350 9624, G02B 604, G02B 644, D01H 1330

Patent

active

048874230

ABSTRACT:
In the processing of light waveguides, a method uses an overhead haul-off from a first supply reel to apply a pre-twist to the light waveguide, which is preserved during a tinting operation and while the tinted waveguide is wound in a tangential direction on a second supply reel. During further processing, in acordance with the present method, the waveguide is taken off by an overhead haul-off process from the second supply reel in a direction of haul-off which is opposite to the direction during the first overhead haul-off so that the twist produced by the second overhead haul-off is in an opposite direction and compensates for the twist produced during the first overhead haul-off operation.

REFERENCES:
patent: 2944383 (1960-07-01), Lawrence et al.
patent: 3458983 (1969-08-01), Hamel
patent: 3722203 (1973-03-01), Akachi
patent: 4458476 (1984-07-01), Mayr et al.
patent: 4615168 (1986-10-01), Oestreich
patent: 4689943 (1987-09-01), Einsle et al.

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