Textiles: spinning – twisting – and twining – Apparatus and processes – Covering or wrapping
Patent
1981-06-19
1983-05-24
Watkins, Donald
Textiles: spinning, twisting, and twining
Apparatus and processes
Covering or wrapping
57 18, 57352, 57361, 57293, B65H 8108, D07B 714, D07B 116
Patent
active
043844464
ABSTRACT:
Laying optical waveguides into sinuous grooves of a support filament while holding the grooves in the same position as the filament passes through a waveguide laying station by causing the filament to twist in oscillatory fashion during passage through the station. The grooves are held in the same positions by positionally fixed guide projections located in the grooves. By this laying method, the waveguides themselves are not oscillated around the support filament as they are fed into the laying station. Also, guide elements to feed the waveguides into the grooves extend downstream to a wrapping station whereby tape wrapped around the support filament also is wrapped around the guide elements. The waveguides exit from the guide elements after the tape has been wrapped.
REFERENCES:
patent: 4112660 (1978-09-01), Ferrentino et al.
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), Vecchis et al.
patent: 4309864 (1982-01-01), Hulin
patent: 4309866 (1982-01-01), Fombillida
patent: 4325212 (1982-04-01), Hope
Hope Tomasz S.
Williams Robert J.
Austin R. J.
Northern Telecom Limited
Watkins Donald
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