Spinning device for open-end spinning

Details Spinning device for open-end spinning Spinning device for open-end spinning

1986-10-14

1987-05-19

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57414, 57415, D01H 7882, D01H 1135

Patent

active

046656871

ABSTRACT:
The spinning device for open-end spinning contains a withdrawal nozzle with a substantially spiral-shaped bead or ridge as well as a twist blocking element or twist trap containing beads or ridges and provided in a thread withdrawal passage. The inclinations of the substantially spiral-shaped bead or ridge and of the beads or ridges in the withdrawal nozzle and in the withdrawal passage, respectively, substantially extend in the same direction or sense as the twist of the yarn. This device permits increasing the stability of the yarn, reducing the number of thread breakages and/or increasing the production rate. The yarn characteristics are less dependent upon the fiber material and the yarn type. In particular, the production of yarns with a soft handle is rendered possible at higher rotor speeds than heretofore possible.

REFERENCES:
patent: 3778989 (1973-12-01), Schon
patent: 3789597 (1974-02-01), Schon
patent: 3875731 (1975-04-01), Khomyakov et al.
patent: 4258541 (1981-03-01), Le Chatelier et al.
patent: 4458477 (1984-07-01), Raasch et al.
patent: 4499719 (1985-02-01), Faessler
patent: 4516397 (1985-05-01), Raasch et al.
patent: 4610134 (1986-09-01), Busch et al.

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