Method for bleaching and dyeing spooled threads

Details Method for bleaching and dyeing spooled threads Method for bleaching and dyeing spooled threads

1980-04-09

1981-11-17

Coe, Philip R.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Combined liquid and gas or vapor

81493, 8155, 68 5C, 68189, D06B 518

Patent

active

043002510

ABSTRACT:
The method comprises the steps of impregnating spooled threads with a cold treatment liquid inside a kier, leaving an air cushion above the liquid inside the kier, discharging the liquid from the kier through a liquid discharge outlet by feeding steam above the air cushion, stopping the discharge when the steam reaches the liquid discharge outlet, and treating the spooled threads with steam inside the kier.

REFERENCES:
patent: 480102 (1892-08-01), Keene
patent: 1269934 (1918-06-01), Holt et al.
patent: 1482795 (1924-02-01), Jefferson
patent: 1779831 (1930-10-01), Stokes
patent: 4079603 (1978-03-01), Bergholtz

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