Knitted fabric produced from indigo-dyed yarn

Details Knitted fabric produced from indigo-dyed yarn Knitted fabric produced from indigo-dyed yarn

1984-10-03

1986-09-23

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Nominal textile manufacture process combined with dyeing

8504, 8653, 8918, 66169R, 66170, 66171, 66189, 548457, D06P 500, C09B 700

Patent

active

046133364

ABSTRACT:
Indigo dyed cotton yarn suitable for producing indigo dyed cotton knitwear, and method of producing it, comprising passing a cotton rope consisting of a plurality of yarn threads through a plurality of baths of indigo dyed liquor, allowing the dye to oxidize by exposure to air between each bath, and winding each of the said yarn thread separately to provide an indigo dyed yarn in a form suitable for knitting. The threads are wound onto individual spools, which may be rotated on a common shaft, or by individual motors. The indigo-dyed knitted cotton fabric produced shows the fading by abrasion, rather than washing out, normally associated with denim.

REFERENCES:
patent: 2920932 (1960-01-01), Barnhill
patent: 3457022 (1969-07-01), Fields
patent: 3828585 (1974-08-01), Thorneburg
patent: 3952555 (1976-04-01), Lesley
patent: 4166717 (1979-09-01), Fond et al.
patent: 4283198 (1981-08-01), Fletcher
The Application of Vat Dyes (AATCC Monograph #2), American Association of Textile Chemists and Colorists, 1953, p. 72.
Teckinik Wlokicnniczy (1977) vol. 27 II, pp. 302-304.
E. R. Trotman, "Dyeing and Chemical Technology of Textile Fibres," Fifth Edition, (Griffin, 1975), pp. 509-510.

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