Patent ID: 8060963
Filing Date: 2011-11-22
Classification: D06B

Abstract:
1. A continuous dyeing device using indigo and/or other colorants to color a yarn in a warp chain and/or in a fabric, comprising: at least a first and a second dyeing compartments each adapted to contain one or more dyeing baths; at least one squeezing element interposed between the first and the second dyeing compartments; at least one means for heating and/or dehydrating the yarn, the at least one means for heating and/or dehydrating increasing diffusion of a colorant in a fiber of the yarn and absorption of the colorant in the yarn, the at least one means for heating and/or dehydrating being located between the first and the second dyeing compartments and downstream of the at least one squeezing element; a hermetically sealed chamber containing, at least partially, the first and the second dyeing compartments, the at least one squeezing element, and the means for heating and/or dehydrating the yarn; and at least one second squeezing unit positioned outside the hermetically sealed chamber downstream of said second dyeing compartment.