Method for treating a web of material with foam

Details Method for treating a web of material with foam Method for treating a web of material with foam

1981-05-27

1983-05-24

Lawrence, Evan K.

Bleaching and dyeing; fluid treatment and chemical modification

Foam dye composition or process

81491, 427262, 427373, D06P 502

Patent

active

043848672

ABSTRACT:
A method for treating a web of material such as rug with a treatment medium in which one treatment medium is applied as part of a layer of foam to the advancing web and the foam allowed to act thereon and, in order to obtain effects not obtainable with the single layer of foam, a further treatment medium is applied to the foam as a foam, liquid, paste or in solid form and allowed to interact with the foam before either treatment medium is fixed, with both treatment media acting on the web.

REFERENCES:
patent: 3990840 (1976-11-01), von der Eltz et al.
patent: 4299591 (1981-11-01), Gregorian et al.
International Application No. PCT/US79/00759.

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