Method and apparatus for producing a wrap-around yarn

Details Method and apparatus for producing a wrap-around yarn Method and apparatus for producing a wrap-around yarn

1978-06-19

1980-04-15

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Covering or wrapping

57 583, D02G 336, D01H 788

Patent

active

041976967

ABSTRACT:
The invention relates to apparatus and method for producing a wrap-around yarn of the type having an untwisted core thread with a binder thread helically wrapped around the core thread wherein the core thread is given a false twist and the core thread and binder thread are passed through separate openings through a hollow spindle to a core thread deflection point at which time the false twist is removed from the core thread and at which point the binder thread is wrapped helically around the core thread.

REFERENCES:
patent: 2343535 (1944-03-01), Clarkson
patent: 2400697 (1946-05-01), Lewis
patent: 2442775 (1948-06-01), Nelson
patent: 2737773 (1956-03-01), Clarkson
patent: 2913867 (1959-11-01), Schrenk
patent: 2939267 (1960-06-01), Klein
patent: 3328946 (1967-07-01), Schumann et al.
patent: 3681909 (1972-08-01), Korikovsky et al.
patent: 3831369 (1974-08-01), Northrup et al.
patent: 3899867 (1975-08-01), Northrup et al.
patent: 4028874 (1977-06-01), Maag et al.
patent: 4080779 (1978-03-01), Freeman et al.

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