Textiles: spinning – twisting – and twining – Apparatus and processes – Alternate twist
Patent
1979-07-20
1981-09-15
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Alternate twist
H01B 1304
Patent
active
042889766
ABSTRACT:
For the SZ twisting of cable conductors with a sector-shaped conductor cross section which are not pre-twisted, stationary control guides for the conductors are provided and a twisting device is disposed immediately after the twisting closer with the distance between the engagement point of each control guide at a cable conductor and the first point of engagement with the material to be twisted of the twisting device tensionally gripping the material to be twisted from the outside made smaller than or at most equal to the length of lay of the material to be twisted. In addition, the free distance between the twisting device and the nearest device gripping the material to be twisted in a torsion-proof manner is very much larger than the length by which a longitudinal section of the twisted material is advanced during an interval of constant direction of rotation of the twisting device.
REFERENCES:
patent: 3481127 (1969-12-01), Vogelsberg
patent: 3491525 (1970-01-01), Sugi
patent: 3507108 (1970-04-01), Yoshimura et al.
patent: 3593509 (1971-07-01), Feese et al.
patent: 3823536 (1974-07-01), Vogelsberg et al.
patent: 3884025 (1975-05-01), Oberender et al.
patent: 4171609 (1979-10-01), Feese
Petrakes John
Siemens Aktiengesellschaft
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