Two-stage twisting device for communication cables

Details Two-stage twisting device for communication cables Two-stage twisting device for communication cables

1985-04-10

1986-02-18

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Alternate twist

57294, 57311, 57314, H01B 1304

Patent

active

045704325

ABSTRACT:
In the manufacture of bundles of at least ten twisted pairs or quads of electric wires, a compact design of the first twisting stage and a servicable guiding system for guiding the pairs from the first twisting stage to the twisting closer of the second twisting stage is obtained by having at least two groups of SZ-twisting devices in the first twisting stage, the rotating twisting heads of the two stages radially staggered and the guide pulleys of the respective inner twisting head which are arranged at the transition from the first to the second twisting stage provided with several guiding grooves for the twisting units so that they can guide twisted units from both the inner and outer twisting heads.

REFERENCES:
patent: 3507108 (1970-04-01), Yoshimura et al.
patent: 3884025 (1975-05-01), Oberender et al.
patent: 4127982 (1978-12-01), Braun et al.
patent: 4214432 (1980-07-01), Scheidt
patent: 4224788 (1980-09-01), Vogelsberg
patent: 4272951 (1981-06-01), Vogelsberg
patent: 4328664 (1982-05-01), Vogelsberg et al.
patent: 4339913 (1982-07-01), Vogelsberg
patent: 4450674 (1984-05-01), Bos et al.
patent: 4493182 (1985-01-01), Vogelsberg
Frisch, Kabel-und Verseilmaschinenbau GmbH, "SZ-Stranding Machines for Communication Cables", six pages.
Wire Journal, "High-Speed SZ Twisting and Stranding Machines Using Straight Accumulators", Dieter Vogelsberg, pp. 74-79, Feb. 1978.

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