Method and apparatus for joining textile threads

Details Method and apparatus for joining textile threads Method and apparatus for joining textile threads

1978-11-14

1980-08-19

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57 22, D01H 1500

Patent

active

042177499

ABSTRACT:
Method of joining textile threads by means of an apparatus having a vortex chamber formed with an elongated slot for introducing therein threads that are to be joined, the threads being insertable into the vortex chamber adjacent one another and being held by clamping devices outside the vortex chamber, the threads being twistable together in the vortex chamber by compressed air supplied thereto and being thereby joined, which includes inserting the threads to be joined loosely and without tension into the vortex chamber so as to be looped about opposite end rims of the vortex chamber; twisting together the threads disposed loosely and without tension in the vortex chamber while they are tightly held by the clamping devices and slackening the thread tension to such an extent that a false twist imposed on the textile threads during twisting together of the threads and consequent shortening of the thread length causes the textile threads to come into contact with the end rims of the vortex chamber.

REFERENCES:
patent: 3233636 (1966-02-01), Bulock
patent: 3273330 (1966-09-01), Gonsalves
patent: 3565358 (1971-02-01), Repka
patent: 3918651 (1975-11-01), Uchida
patent: 4121409 (1978-10-01), Uchida et al.

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