Patent ID: 8215138
Filing Date: 2012-07-10
Classification: D06B,D06P

Abstract:
1. A continuous dyeing device ( 100 ) with indigo and reduction dyes for warp yarn chains ( 3 ) and/or fabrics, comprising at least one hermetically sealed dyeing compartment ( 1 ), and at least one hermetically sealed compartment ( 2 ) for the diffusion and fixing of the dye on said yarn ( 3 ), said at least one hermetically sealed compartment ( 2 ) being situated downstream of said dyeing compartment ( 1 ) and being functionally and hermetically connected to said dyeing compartment ( 1 ) by means of a tunnel ( 4 ), means (i 2 ) being present inside said compartments ( 1 , 2 ) and said tunnel ( 4 ), for the entry of inert gas or deoxygenated air, characterized in that one or more means ( 14 , 14 ′) for the direct application of said dye onto said yarn ( 3 ) also being present inside said dyeing compartment ( 1 ) and at least one tank ( 8 ) for humidifying the environment, wherein each of the at least one tanks ( 8 ) is equipped with at least one heating coil ( 9 ) for the evaporation of water treated ( 10 ), situated close to the bottom of said at least one hermetically sealed compartment ( 2 ), for the humidification of said at least one hermetically sealed compartment ( 2 ), in order to prevent the evaporation of the dye applied on said yarn ( 3 ), and at least one means ( 7 ) for heating said yarn ( 3 ) leaving said dyeing compartment ( 1 ), are present in said at least one hermetically sealed compartment ( 2 ).