Device and process for indigo dyeing

Details Device and process for indigo dyeing Device and process for indigo dyeing

2011-03-22

2011-03-22

Stinson, Frankie L (Department: 1711)

Textiles: fluid treating apparatus

Machines

With gas, steam or mist treating

C068S00500D

Reexamination Certificate

active

07908894

ABSTRACT:
Device (100) and dyeing process in continuous with indigo for warp yarn chains (3) and/or fabrics, equipped with a first hermetically sealed dyeing compartment (1), suitable for containing the dye bath, and a hermetically sealed fixing/dehydration compartment (2) of the yarn (3). The two dyeing (1) and fixing/dehydration (2) compartments comprise an inert environment and are functionally and hermetically connected with each other and there are means (4) for introducing nitrogen and/or deoxygenated air inside the same compartments; inside the compartment (2) there is at least one means (5) for directly heating and/or dehydrating the yarn (3).

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PCT Search Report, Dated Apr. 5, 2007.

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