Process and apparatus for coloring textile yarns

Details Process and apparatus for coloring textile yarns Process and apparatus for coloring textile yarns

D - Textiles, Paper

06

B

8/7, 68/6.3

D06B 11/00 (2006.01)

Patent

CA 1274354

PROCESS AND APPARATUS FOR COLORING TEXTILE YARNS ABSTRACT Method and apparatus (10) for producing textile yarns (12) so that one surface (b) of the yarn (12) exhibits a visually perceptive darker color hue when compared to another surface (a) of the yarn (12). The yarn surfaces are coated with a colorant-containing liquid (e.g. a dye- or pigment- containing liquid) in a bath (16) are subsequently dried by a drum (22) and to effect a drying rate differential between the one and another surfaces (b and a, respectively) to cause the colorants to migrate towards the faster-drying surface (b) to a degree sufficient to achieve the darker color hue thereon. Twisting of the produced yarns during packaging and/or weaving will thus create a woven textile fabric having randomly distributed color variations to achieve a visually pleasing striated, tone-on-tone or heather fabric appearance.

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