Open-end yarn piecer

Details Open-end yarn piecer Open-end yarn piecer

1984-05-18

1987-03-31

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

D01H 1502

Patent

active

046532617

ABSTRACT:
The travelling piecer is constructed to accomodate piecing of a thread which is broken during winding onto a thread package or to accomodate starting of a fresh package on a bobbin. The piecer includes a suction nozzle to find a broken yarn end from a package, a centering mechanism for positioning the located yarn in a predetermined position and a threading device for forming the located yarn into a loop.
A carrier for an auxiliary yarn package is also provided with a roller pair for feeding a yarn from a package and a second suction nozzle for manipulating the auxiliary yarn into a predetermined position extending from the first nozzle for interception by the centering mechanism.

REFERENCES:
patent: 3640059 (1972-02-01), Lutovsky et al.
patent: 3858385 (1975-01-01), Shinkai et al.
patent: 4223517 (1980-09-01), Husges et al.
patent: 4438624 (1984-03-01), Mayer et al.

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