Boucle yarn and process for its preparation

Details Boucle yarn and process for its preparation Boucle yarn and process for its preparation

1978-10-16

1981-01-13

Petrakes, John

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

28156, 28281, 57 12, 57208, 57254, 57351, 57905, D02G 118, D02G 324, D02G 342

Patent

active

042441730

ABSTRACT:
A boucle yarn is prepared by relaxed heat treatment of a precursor yarn prepared by combination of a low shrinkage filament or yarn or monofil at the back of the front roller of a spinning frame with a roving of high shrinkage fibers followed by twisting to a twist multiplier of 1.5 to 4.0. The shrinkage differential between the high shrinkage fibers and the low shrinkage fibers must be at least 20%.

REFERENCES:
patent: 2201759 (1940-05-01), Bry
patent: 2849785 (1958-09-01), McCullough et al.
patent: 2864230 (1958-12-01), Moore, Jr.
patent: 3279163 (1966-10-01), Lulay et al.
patent: 3353345 (1967-11-01), Setzer
patent: 3380244 (1968-04-01), Martin
patent: 3410076 (1968-11-01), Dyer
patent: 3438186 (1969-04-01), Marshall

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