Process and apparatus for the space dyeing of hanks of fibre or

Details Process and apparatus for the space dyeing of hanks of fibre or Process and apparatus for the space dyeing of hanks of fibre or

1991-08-21

1993-06-29

Coe, Philip R.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Combined liquid and gas or vapor

81512, 68 5D, 68 22R, D06B 1502

Patent

active

052222667

ABSTRACT:
A process for the space dyeing of yarn (particularly yarn containing at least 10% of natural fibres) suitable for use in carpets, the manufacture of textiles and for hand knitting, involves a series of nozzles across the path of a conveyor carrying transverse hanks of yarn, applying sequential bands of colored dye along the transverse length of the yarn, passing the yarn through a first squeeze head to cause the dye formulation to spread on and penetrate into the yarn, fixing the dye, and passing the yarn between pressure rolls to remove sufficient of the moisture quickly so that no subsequent cross-staining of the yarn occurs. Successive pairs of pressure rolls are preferably used.

REFERENCES:
patent: 3667258 (1972-06-01), Newton
patent: 3943734 (1976-03-01), Fleissner
patent: 4005230 (1977-01-01), Fleissner
patent: 4433811 (1984-02-01), Godfrey

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