Apparatus and method for forming a wrapped yarn

Details Apparatus and method for forming a wrapped yarn Apparatus and method for forming a wrapped yarn

1983-05-03

1985-01-29

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Covering or wrapping

57 78, 57 80, 57 87, D01H 1322, D01H 1316

Patent

active

044957580

ABSTRACT:
A wrapped yarn forming apparatus is disclosed, which is adapted to form a wrapped yarn composed of a core strand, such as a yarn sliver, and a binder strand which is spirally wrapped about the core strand. The apparatus includes a hollow spindle adapted to coaxially mount a supply package of the binder strand, yarn feed means for advancing the core strand through the spindle, and yarn take-up means for winding the resulting wrapped yarn into a package. In the event of yarn breakage, means are provided for interrupting the drives of the various components, and also for terminating the continued withdrawal of the binder strand from its supply package and the continued wind-up of such strand on the take-up package, which would normally occur where only the core strand is broken. Thus piece-up of the apparatus is facilitated by avoiding the necessity of removing the wound binder strand from the take-up package.

REFERENCES:
patent: 2023407 (1935-12-01), Cobb
patent: 3251180 (1966-05-01), Klein
patent: 3681909 (1972-08-01), Konstanovich et al.
patent: 4213290 (1980-07-01), Kupper
patent: 4362009 (1982-12-01), Rice
patent: 4375149 (1983-03-01), Hartsmannsgruber
patent: 4389837 (1983-06-01), Stahlecker et al.

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