Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1977-10-31
1979-10-23
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8149, 81552, 8158, 68188, 68206, D06P 100, D06B 306
Patent
active
041719530
ABSTRACT:
A method for producing randomly dyed skeins of yarn in an apparatus which comprises an open vat adapted to be filled with a liquid dye bath and having rack means for supporting a plurality of skeins of yarn which are to be randomly dyed. The rack means includes valved conduits to control the flow of dye therethrough. Further valve means are provided for selectively adjusting the level of the liquid dye bath relative to the skeins supported in the dye bath while maintaining the liquor ratio, i.e., the ratio of liquid dye bath to yarn dyed, constant and as low as practical.
REFERENCES:
patent: 2716585 (1955-08-01), Bailey
patent: 3541635 (1970-11-01), Crenshaw et al.
patent: 3926547 (1975-12-01), O'Mahony et al.
patent: 3932129 (1975-01-01), Porter
patent: 3986375 (1976-10-01), O'Mahony et al.
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