Textiles: spinning – twisting – and twining – Apparatus and processes – Elements
Patent
1975-03-20
1976-11-30
Watkins, Donald E.
Textiles: spinning, twisting, and twining
Apparatus and processes
Elements
57157R, D02G 304
Patent
active
039941221
ABSTRACT:
Crimped polyamide staple filament mixtures and yarn therefrom having a high bulk, high luster free from objectionable sparkle and glitter, and improved resistance to soiling are produced. The novel yarn is a blend of trilobal polyamide filaments having different cross-sections, i.e., modification ratios, within specified ranges and specified proportions for each cross-sectional type of filament. This yarn has particular utility as carpet yarn. The method for producing the novel yarn comprises blending the above-described mixed cross-section filaments.
REFERENCES:
patent: 2939202 (1960-06-01), Holland
patent: 3033240 (1962-05-01), Bottorf
patent: 3097416 (1963-07-01), McKinney
patent: 3220173 (1965-11-01), Pitzl
patent: 3249669 (1966-05-01), Jamieson
patent: 3802177 (1974-04-01), Sekiguchi
E. I. DuPont de Nemours and Company
Watkins Donald E.
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