Process for the production of filament yarns with statistically

Details Process for the production of filament yarns with statistically Process for the production of filament yarns with statistically

1976-07-20

1977-10-18

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57140R, 57157S, D02J 108, D02J 112

Patent

active

040540251

ABSTRACT:
The invention relates to the production of yarns with individual filaments broken in a purely random sequence. This object is achieved by initially interlacing the uniform filament yarns either during spinning and before winding or between the winding bobbin and the drawing zone and subsequently subjecting parts of the outer layers of the interlaced filament strand to brief heat treatment on a contact heater before stretching.

REFERENCES:
patent: 2869967 (1959-01-01), Breen
patent: 2895285 (1959-07-01), Hilbert
patent: 3061998 (1962-11-01), Bloch
patent: 3114999 (1963-12-01), Coggeshall
patent: 3857232 (1974-12-01), Heinrich et al.
patent: 3857233 (1974-12-01), Cardinal et al.
patent: 3946548 (1976-03-01), Hino et al.
patent: 3991549 (1976-11-01), Heinrich et al.

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