Textiles: spinning – twisting – and twining – Apparatus and processes – Unitary multiple twist devices
Patent
1975-04-10
1976-08-03
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Unitary multiple twist devices
57 5895, D01H 112
Patent
active
039721736
ABSTRACT:
A yarn is spun on a suction drum having a horizontal axis and operable to rotate in a on direction about the axis from textile fibers impinged n the drum throughout a suction zone. A suction box in the drum is operable to form the suction zone on the drum periphery and is angularly spaced by an acute angle from the zenith of the drum in an opposite direction. The suction zone has a sharply defined edge adjacent the zenith of the drum. The impinged fibers are twisted together to form a yarn tail and are subsequently spun to form a yarn under the action of components of force which are due to the rotation of the drum and the suction in the suction zone. The width of the suction zone equals the diameter of the yarn tail, measured in the predetermined direction.
REFERENCES:
patent: 2202118 (1940-05-01), Newman et al.
patent: 2220024 (1940-10-01), Pool
patent: 2227911 (1941-01-01), Pool
patent: 2258661 (1941-10-01), Pool
patent: 2363470 (1944-11-01), Lannan et al.
patent: 3330008 (1967-07-01), Schuller
patent: 3343360 (1967-09-01), Brown
patent: 3635006 (1972-01-01), Fehrer
patent: 3636693 (1972-01-01), Benson
Kelman Kurt
Petrakes John
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