Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Intermittent length
Patent
1977-09-23
1979-12-04
Coe, Philip R.
Bleaching and dyeing; fluid treatment and chemical modification
Fluid treatment
Intermittent length
8155, D06B 102
Patent
active
041770374
ABSTRACT:
Method and apparatus for the high speed, multicolor dyeing of yarns to obtain uniformly dyed lengths of different color along the length of the yarns, wherein a moving strand is collected in a plurality of layers on the surface of a winding drum while a plurality of streams of dye of different color are continuously applied in metered amounts onto the outer surface of the yarn on the drum to form radial bands of color in the collected yarn. The drum is rotated at high speed to cause radial outward flow of dye from inner yarn windings into the outer yarn windings on the drum, thereby providing uniform penetration and coloration of the yarn by the dyes. Dye centrifugally expelled from the outer surface of the yarn is collected and removed by an outer housing peripherally surrounding the drum. The traverse speed of the yarn traverse mechanism of the drum is independently variable to permit the dyeing of yarn sections of selectively variable lengths.
REFERENCES:
patent: 2425214 (1947-08-01), Voelker et al.
patent: 3620662 (1971-11-01), Miyamoto et al.
patent: 3650674 (1972-03-01), Newton
Anderson, administrator Aelita
Anderson, deceased Harald
Cozine, administrator Michael S.
Coe Philip R.
Manning, Jr,. Wellington M.
Wilburn, Jr. Luke J.
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