Apparatus for separating staple fibers on an open-end spinning u

Details Apparatus for separating staple fibers on an open-end spinning u Apparatus for separating staple fibers on an open-end spinning u

1979-07-12

1981-02-24

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Unitary multiple twist devices

57 5895, D01H 7895, D01H 7892

Patent

active

042519845

ABSTRACT:
Apparatus for separating cotton type staple fibers from a fibrous sliver supplied to an open-end rotor spinning machine, said apparatus having a surface for supporting the so-called fiber beard of the sliver to be attacked by a card clothing of the combing cylinder. The dimensions and position of said support surface relative to the sliver feeding means and said card clothing are defined in dependence on the count of the sliver as well as on the gauge and staple length of the fibers to be processed. Such an optimization of the support surface dimensions and position makes it possible to attain an excellent evenness of fiber separation and consequently a good final yarn quality even with relatively low speeds of the combing cylinder, and also to reduce the risk of card clothing damage.

REFERENCES:
patent: 3381463 (1968-05-01), Fajt et al.
patent: 3571859 (1971-03-01), Doudlebsky et al.
patent: 3775956 (1973-12-01), Rajnoha et al.
patent: 3884029 (1975-05-01), Ripka et al.
patent: 3938310 (1976-02-01), Didek et al.
patent: 3998040 (1976-12-01), Ripka et al.
patent: 4067182 (1978-01-01), Jaros et al.

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