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US 3,945,225 AGranted
Continuous textile dyeing apparatus
OwnerLyle E. McCoyinventor
Life of this patent
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Abstract
The apparatus for dyeing textiles, including the dyeing of synthetic or partially synthetic textiles with disperse dyes, wherein a dye mixture is applied to the textile and subsequently maintained in a gelled but unfrozen condition during drying to prevent migration of the dye.
Claims5
Textile dyeing apparatus comprising:
- means for applying to textiles a mixture of dye, gelatin and solvent;
- cooling means for cooling the applied mixture to a temperature between the gelatin gelation temperature and the solvent freezing temperature;
- drying means for removing solvent and gradually raising the gelatin concentration;
- environmental control means for gradually raising the temperature of the applied mixture during solvent removal and maintaining the web bulb temperature below the gelation temperature;
- and fixation means for completing the dye reaction.
2 more elements
Dependencies are inferred from the claim text.