False-twist-textured synthetic polymer filament yarn

Details False-twist-textured synthetic polymer filament yarn False-twist-textured synthetic polymer filament yarn

1980-06-09

1982-05-25

Watkins, Donald

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

57228, D02G 338, D02G 304

Patent

active

043309895

ABSTRACT:
The invention is directed to filament yarns made from synthetic polymers and having false-twist texture, comprising a core filament group and a sheath filament group wrapped around and partially covering the core. The sheath filament group comprises at least two filament groups 4 and 5 with different cross-sections, the smaller component of the sheath filament group including fibrils with the coarsest denier, and the larger component of the sheath filament group containing fibrils with the finer fibril denier, the finer fibrils in the filament group having a lesser fibril denier than the fibrils 3 of the core group 1.

REFERENCES:
patent: 3013379 (1961-12-01), Breen
patent: 3344596 (1967-10-01), Spicer et al.
patent: 3396529 (1968-08-01), Stutz
patent: 3438193 (1969-04-01), Kosaka et al.
patent: 3988883 (1976-11-01), Sze

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