Manufacture of telecommunications cable cores

Details Manufacture of telecommunications cable cores Manufacture of telecommunications cable cores

1983-12-27

1986-08-12

Levy, Stuart S.

Textiles: spinning, twisting, and twining

Apparatus and processes

Monitor and control

57 5855, 57 63, 57 94, 57100, 57314, D01H 746, D01H 110, D01H 786

Patent

active

046048626

ABSTRACT:
A core unit and method and apparatus for making it in which conductor pairs or units having a single direction of twist and in which angles of twist lay change along lengths of the conductor pairs. In a preferred and practical construction, the angles of twist lay of all pairs change along their lengths on a continuous basis. This angle change is cyclical and with the cycles of the angles of the pairs being out-of-phase with one another. This achieves average twist lays of the units which are substantially equal to one another from conductor pair-to-pair. The structure is achieved in a tandem operation of twisting conductors into pairs and then forming them into the core unit, preferably by stranding.

REFERENCES:
patent: 2869316 (1959-01-01), Lilly
patent: 3140577 (1964-07-01), Ash
patent: 3715877 (1973-02-01), Akachi
patent: 3882907 (1975-05-01), Degen
patent: 4102117 (1978-07-01), Dornberger
patent: 4408443 (1983-10-01), Brown et al.

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