Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Special forms and forming
Patent
1987-01-09
1988-05-03
Coe, Philip R.
Bleaching and dyeing; fluid treatment and chemical modification
Fluid treatment
Special forms and forming
68189, D06B 518
Patent
active
047410612
ABSTRACT:
The invention relates to a method and to apparatus for washing material wound on a beam, in which from the time at which a specific degree of cleanness has been reached in the central region of the roll length until the end of the washing process the proportion of the washing fluid coming out of the central region of the roll length is returned directly to the beam. In this way water and energy can be saved on a considerable scale.
REFERENCES:
patent: 3640100 (1972-02-01), Marz
patent: 3916653 (1975-11-01), West et al.
patent: 4206619 (1980-06-01), Fukuroi et al.
Bruckner Apparatebau GmbH
Coe Philip R.
Marshall, Jr. C. O.
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