Method for space dyeing yarn

Textiles: manufacturing – Thread finishing – Surface modification of running length

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8149, 81491, 81512, 68 5D, 68203, 118234, 118DIG20, 118DIG21, D06B 114, D06B 1100

Patent

active

040472710

ABSTRACT:
A method for space dyeing yarn wherein a rapidly advancing yarn is intermittently deflected into and out of a nip of a pair of rotating dye applicator rollers, such that those portions of the yarn which pass through the nip are subjected to a rapidly applied and substantial compressive force in the nature of a hammer-like impact in the nip, to cause the dye carried by the rollers to deeply penetrate into the yarn. In the illustrated embodiment, the yarn is advanced past a plurality of such pairs of dye applicator rollers, and an external pattern control acts to deflect the yarn into and out of the various nips in accordance with a predetermined program.

REFERENCES:
patent: 1512166 (1924-10-01), Gordon et al.
patent: 2573097 (1951-10-01), Epstein
patent: 3800565 (1974-04-01), Worth et al.
patent: 3803880 (1974-04-01), Laing et al.
patent: 3926547 (1975-12-01), O'Mahony et al.

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