Device for SZ twisting of twist elements of electric cables and

Details Device for SZ twisting of twist elements of electric cables and Device for SZ twisting of twist elements of electric cables and

1980-04-16

1982-07-20

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Alternate twist

57293, H01B 1304

Patent

active

043399134

ABSTRACT:
To be able to correct irregularities in the length of lay, which result from the reversal of the twisting device in SZ twisting devices with very large storage capacity, a post-twisting device is arranged after the SZ twisting device, the post-twisting device including a retwisting disc with an equalization section in the back thereof. The length of the equalization section is at least five times the resulting length of lay; the speed of rotation of the post-twisting device is equal to the difference between two successive speed steps of the SZ twisting device and direction of rotation of the post-twisting device is changed in the same rhythm as the rotary motion of the SZ twisting device.

REFERENCES:
patent: 3407588 (1968-10-01), Feese
patent: 3426519 (1969-02-01), Unger et al.
patent: 3475893 (1969-11-01), Sugi et al.
patent: 3491525 (1970-01-01), Sugi
patent: 4056925 (1977-11-01), Vogelsberg
patent: 4196576 (1980-04-01), Vogelsberg
patent: 4214430 (1980-07-01), Vogelsberg et al.
patent: 4214432 (1980-07-01), Scheidt
patent: 4224788 (1980-09-01), Vogelsberg

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