Method and apparatus for piecing-up the broken yarn in an open-e

Details Method and apparatus for piecing-up the broken yarn in an open-e Method and apparatus for piecing-up the broken yarn in an open-e

1974-10-07

1978-09-05

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Web material

57156, D01H 1500, D01H 112

Patent

active

041109600

ABSTRACT:
The present invention relates to a method and an apparatus for piecing up the broken end of yarn which is being spun by an open-end spinning machine. The end yarn is introduced into a rotor a predetermined time after the rotor has again been started into rotation for piecing up the broken yarn and within the time when the rotor is in acceleration and has not as yet attained its high spinning speed. Then, the yarn end is joined to fiber material supplied into the rotor, while the twist of the yarn is still insufficient, and the centrifugal force applied to the yarn has not attained its maximum value.

REFERENCES:
patent: 3601969 (1971-08-01), Susami et al.
patent: 3680300 (1972-08-01), Landwehrkamp
patent: 3803823 (1974-04-01), Niestroj et al.

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