False-twisting system

Details False-twisting system False-twisting system

1979-08-23

1981-09-08

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

False twist device

57210, D02G 338, D02G 104

Patent

active

042877148

ABSTRACT:
A false-twisting system uses nipping type false-twisting apparatus designed to nip filament yarns between two intercrossing endless belts whose working surfaces are urged in the crossing region into engagement with each other.
Monofilaments of a first multifilament yarn are wound fast round monofilaments of a second multi-filament yarn with combined S- and Z-twists to provide a crimped bundle of yarn closely resembling spun yarns.

REFERENCES:
patent: 2908133 (1959-10-01), Brown
patent: 3070950 (1963-01-01), Thomas
patent: 3496714 (1970-02-01), Schroeder
patent: 3608296 (1971-09-01), Taylor
patent: 3685268 (1972-08-01), Sequin
patent: 3729918 (1973-05-01), Kawasaki et al.
patent: 3780515 (1973-12-01), Waters
patent: 4047373 (1977-09-01), Takai
patent: 4144700 (1979-03-01), Takai et al.
patent: 4196574 (1980-04-01), Rhash

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