Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Special forms and forming
Patent
1981-09-29
1984-04-03
Coe, Philip R.
Bleaching and dyeing; fluid treatment and chemical modification
Fluid treatment
Special forms and forming
8158, 68 13R, D06B 2326
Patent
active
044398816
ABSTRACT:
In order to maintain at a constant value the quantity of liquor applied in the wet-on-wet application of two liquors of differing composition, it is necessary that the fabric web which is wet from the preceding wet treatment is first uniformly partially dewatered and the second liquor is then applied uniformly. By using high-moisture measuring instruments after the dewatering and also controlling the same with the aid of measured values, and by proceeding similarly after the repeated application of liquor, it is possible to stay within the tolerances which are necessary to ensure the uniformity of the two processes.
REFERENCES:
patent: 2922475 (1960-01-01), Alexander
patent: 3811834 (1974-05-01), Schwemmer et al.
patent: 4157595 (1979-06-01), von der Eltz et al.
Oppitz Peter
von der Eltz Hans-Ulrich
Coe Philip R.
Hoechst Aktiengesellschaft
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