Method and apparatus for continuously carrying out weight reduct

Details Method and apparatus for continuously carrying out weight reduct Method and apparatus for continuously carrying out weight reduct

1978-10-18

1981-04-21

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Mixed fibers

8116R, 8125, 68 22R, D06M 900

Patent

active

042630088

ABSTRACT:
A method for continuous weight reduction and mercerization of a cloth material. The cloth material which is impregnated with a caustic liquid is first treated with humid heat in a no tension condition to effect reduction in weight and then the cloth material is brought into frictional contact with friction rolls under the same humid heat to mercerize the cloth material in a continuous manner. The method is carried out within a high pressure steamer drum body in which the high humid heat is maintained. A group of rolls are arranged within the fore half portion of the high pressure steamer drum body to convey the cloth material in the no tension condition. In the hind half of the drum body, there are arranged a group of guide rolls to further convey the cloth material with a predetermined degree of tension applied thereto. Some of the group of guide rolls are driven at a variable speed to bring the cloth material into frictional content with them.

REFERENCES:
patent: 3560139 (1971-02-01), Suminokura et al.
patent: 3644137 (1972-02-01), Fox et al.
patent: 3960484 (1976-06-01), Leimbacher et al.
patent: 3979177 (1976-09-01), Selling et al.
patent: 4022574 (1977-05-01), Ichihara
patent: 4095944 (1978-06-01), Duckworth
Wingate, Fairchild's Dictionary of Textiles, 1975, pp. 364, 365 & 540.

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