Method of producing mottled rotor spun yarn

Details Method of producing mottled rotor spun yarn Method of producing mottled rotor spun yarn

1988-02-24

1989-07-11

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57408, 57224, D01H 112

Patent

active

048459461

ABSTRACT:
A mottled appearing yarn having a main strand of fibers and wrapper fibers of different color than the main strand. The yarn is produced by feeding longer and coaser fibers with shorter and finer fibers in an open end rotor spinning machine and controlling the operation to accentuate wrapper fiber formation with the longer and coarser fibers. The wrapper fiber formation is accentuated by using a relatively low rotor diameter to fiber length ratio and by using an aggressive navel action.

REFERENCES:
patent: 3365872 (1968-01-01), Field
patent: 3864902 (1975-02-01), Wehling et al.
patent: 4050228 (1977-09-01), Landwehrkamp et al.
patent: 4302925 (1981-12-01), Edagawa et al.
patent: 4321789 (1982-03-01), Dammann et al.
patent: 4330988 (1982-05-01), Eschenbach
patent: 4403470 (1983-09-01), Nelso
patent: 4711080 (1987-12-01), Shibazaki et al.

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