Process for heat-treating a fabric web

Details Process for heat-treating a fabric web Process for heat-treating a fabric web

1978-06-12

1980-11-04

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 32, 34 35, 34 86, 34212, 34216, 68 18R, 432 72, F26B 304

Patent

active

042311659

ABSTRACT:
A process for heat-treating and, in particular, for drying and/or fixing a continuously moved fabric web in a treatment unit comprising at least two treatment zones through which the fabric web successively passes, using a hot gas stream recirculated in the treatment unit, a certain quantity of waste gas being continuously removed from the treatment unit and freed from constituents present in it and some of the waste gas thus treated being returned to the treatment unit after reheating, the rest of the waste gas being released into the atmosphere.

REFERENCES:
patent: 3437321 (1969-04-01), Wilkinson
patent: 3875678 (1975-04-01), Vits
patent: 3936951 (1976-02-01), Haueise et al.
patent: 3942264 (1976-03-01), Zenkner
patent: 4092100 (1978-05-01), Phillips
patent: 4115052 (1978-09-01), Flynn
patent: 4132011 (1979-01-01), Nichols
patent: 4133636 (1979-01-01), Flynn

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