Abstract: A dyeing machine comprising at least one dyeing module in which a first squeezing device for a textile support, a first treatment tank, a central tank, a second treatment tank and a second squeezing device are located in sequence is described. The dyeing machine also includes a hydraulic system for feeding, circulating and alternately adjusting the levels of process fluids in the tanks. The tanks are preferably enclosed in a hermetically sealed upper covering shell. The two treatment tanks have the same shape, the same dimension and capacity characteristics, and are symmetrical with respect to a plane of symmetry lying in the central tank and arranged perpendicularly with respect to the direction of advance of the textile support. The dyeing machine is provided with means for moving the textile support, configured to advance the textile support alternately in both directions, i.e.

Abstract: A description is provided of an apparatus for dyeing a textile support comprising a single tank which is provided in its interior, in sequence, with: one first shaped cavity having a watertight function between the surrounding environment and the tank; one first internal partition wall, which is immersed in the lower part in the dye bath of the first shaped cavity for helping the watertight function; one first dyeing compartment and at least one second dyeing compartment which each comprise at least one return roller for the textile support, at least one dispensing device to dispense the dye bath on the textile support, and at least one squeezing device; a second shaped cavity containing the dye bath having a watertight function between the tank and the surrounding environment; and a second internal partition wall, which is immersed in the lower part in the dye bath of the second shaped cavity for helping the watertight

Abstract: A multifunctional continuous dyeing apparatus provided at a bottom with a main body within which are formed in a sequence, with reference to the feeding direction of the yarn, at least a first dyeing group for the yarn, provided with a respective first squeezing device of the yarn, an oxidation or diffusion/fixation group, placed downstream of the first dyeing group and arranged for the oxidation of the dyed yarn or for the diffusion/fixation of the dye in the fiber of the dyed yarn, and at least a second dyeing group of the yarn, arranged downstream of the oxidation or diffusion/fixation group and in turn provided with a respective second squeezing device of the yarn, where at least the first dyeing group, the first squeezing device, the oxidation or diffusion/fixation group and the second dyeing group are hermetically sealing enclosed by at least one covering case, integral at the top with the main body, and provided with a plurality of doors which are at least partially openable to perform the dyeing of th

Abstract: A dyeing machine comprising at least one dyeing module in which a first squeezing device for a textile support, a first treatment tank, a central tank, a second treatment tank and a second squeezing device are located in sequence is described. The dyeing machine also includes a hydraulic system for feeding, circulating and alternately adjusting the levels of process fluids in the tanks. The tanks are preferably enclosed in a hermetically sealed upper covering shell. The two treatment tanks have the same shape, the same dimension and capacity characteristics, and are symmetrical with respect to a plane of symmetry lying in the central tank and arranged perpendicularly with respect to the direction of advance of the textile support. The dyeing machine is provided with means for moving the textile support, configured to advance the textile support alternately in both directions, i.e.

Abstract: An oxidation intensifier device for a continuous dyeing system for dyeing a warp thread, the device arranged for being mounted in the oxidation assembly of the dyeing system and comprises two blowing assemblies having a substantially identical shape and opposed one another, each blowing assembly is provided with at least one respective fan and, downstream of such a fan, with a respective plurality of convergent conduits arranged along development directions that are parallel and transversal to the feeding direction of the warp thread, the convergent conduits of a first blowing assembly converge in a opposite direction with respect to the convergence direction of the convergent conduits of the opposite blowing assembly, each convergent conduit is configured to face parallel to a single lap of the warp thread moving inside the dyeing system and is provided with a plurality of longitudinal slots oriented along the same development direction of the respective convergent conduit, where each fan is hydraulically co

Abstract: A multifunctional continuous dyeing apparatus provided at a bottom with a main body within which are formed in a sequence, with reference to the feeding direction of the yarn, at least a first dyeing group for the yarn, provided with a respective first squeezing device of the yarn, an oxidation or diffusion/fixation group, placed downstream of the first dyeing group and arranged for the oxidation of the dyed yarn or for the diffusion/fixation of the dye in the fiber of the dyed yarn, and at least a second dyeing group of the yarn, arranged downstream of the oxidation or diffusion/fixation group and in turn provided with a respective second squeezing device of the yarn, where at least the first dyeing group, the first squeezing device, the oxidation or diffusion/fixation group and the second dyeing group are hermetically sealing enclosed by at least one covering case, integral at the top with the main body, and provided with a plurality of doors which are at least partially openable to perform the dyeing of th

Abstract: A continuous dyeing plant for a warp thread including a plurality of dyeing/squeezing groups arranged in line, each of which is provided with a respective impregnation or dyeing tank in which the warp thread is immersed, and an oxidation apparatus that has a plurality of upper and lower return rollers, configured to arrange the warp thread on a plurality of vertical planes parallel to each other, and a support frame having at least one upper strut and at least one lower strut, where a plurality of upper return rollers are mounted on the upper struts, such that at least one part of the lower return rollers is rotatably mounted on at least one respective support device that is movable in the vertical direction between a first operating position, in which the movable support device is placed close to the lower struts to keep the lower return rollers at a maximum predefined distance from the corresponding upper return rollers, and a second operating position, in which the movable support device is placed close to

Abstract: An oxidation intensifier device for a continuous dyeing system for dyeing a warp thread, the device arranged for being mounted in the oxidation assembly of the dyeing system and comprises two blowing assemblies having a substantially identical shape and opposed one another, each blowing assembly is provided with at least one respective fan and, downstream of such a fan, with a respective plurality of convergent conduits arranged along development directions that are parallel and transversal to the feeding direction of the warp thread, the convergent conduits of a first blowing assembly converge in a opposite direction with respect to the convergence direction of the convergent conduits of the opposite blowing assembly, each convergent conduit is configured to face parallel to a single lap of the warp thread moving inside the dyeing system and is provided with a plurality of longitudinal slots oriented along the same development direction of the respective convergent conduit, where each fan is hydraulically co

Abstract: A device (100) is described, together with a continuous dyeing process with indigo and reduction dyes for warp yarn chains (3) and/or fabrics. The device (100) 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 the yarn (3). The compartment (2) is situated downstream of the dyeing compartment (1) and is functionally and hermetically connected to the dyeing compartment (1) by means of a tunnel (4). Means (12) are present inside the compartments (1, 2) and tunnel (4), for the entry of inert gas or deoxygenated air. One or more means (14, 14?) for the direct application of the dye onto the yarn (3) are also present inside the dyeing compartment (1), whereas at least one tank (8) for humidifying the environment and at least one means (7) for heating the yarn (3) leaving the dyeing compartment (1), are present in the compartment (2).

Abstract: A continuous dyeing device and related processes using indigo and/or other colorants for warp yarn chains and/or for fabrics, equipped with at least a first and a second dyeing compartments containing dyeing baths, the first and second dyeing compartments being enclosed, at least partially, in a hermetically sealed chamber. The device also includes at least one squeezing element interposed between the two dyeing compartments and a plurality of cylinders for heating and/or dehydrating the yarn and or the fabric, thereby increasing the diffusion and the absorption of the colorant. The cylinders are positioned downstream of the first dyeing compartment and squeezing element.

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).

Abstract: A device (100) is described, together with a continuous dyeing process with indigo and reduction dyes for warp yarn chains (3) and/or fabrics. The device (100) 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 the yarn (3). The compartment (2) is situated downstream of the dyeing compartment (1) and is functionally and hermetically connected to the dyeing compartment (1) by means of a tunnel (4). Means (12) are present inside the compartments (1, 2) and tunnel (4), for the entry of inert gas or deoxygenated air. One or more means (14, 14?) for the direct application of the dye onto the yarn (3) are also present inside the dyeing compartment (1), whereas at least one tank (8) for humidifying the environment and at least one means (7) for heating the yarn (3) leaving the dyeing compartment (1), are present in the compartment (2).

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).

Abstract: A continuous dyeing device (100) and related processes using indigo and/or other colorants for warp yarn chains and/or for fabrics (13), equipped with at least a first (1) and a second (2) dyeing compartments containing dyeing baths (11a, 11b, 11c, 11d), the first and second dyeing compartments (1, 2) being enclosed, at least partially, in a hermetically sealed chamber (20). The device (100) also includes at least one squeezing element (14) interposed between the two dyeing compartments (1, 2) and a plurality of cylinders (3) for heating and/or dehydrating the yarn and/or the fabric (13), thereby increasing the diffusion and the absorption of the colorant. The cylinders (3) are positioned downstream of the first dyeing compartment (1) and squeezing element (14).

Abstract: Dying or bleaching apparatus for yarn wound on reels or similar packages, comprising a plurality of small vertical dying boilers (15) arranged on a single circumference each suitable for receiving a mobile reel holder shaft (13) which can be removed at the same time as the others for the subsequent centrifugal water draining and drying operations, operating with less liquid and also capable of being used with fractional capacities with a constant soaking ratio.

Abstract: Dying or bleaching apparatus for yarn wound on reels or similar packages, comprising a dying boiler (15) having an annular section suitable for receiving a single circular load of mobile reel holder shafts (13) which can be removed at the same time for the subsequent water draining and drying operations, operating with less liquid and also capable of being used with fractional capacities with a constant soaking ratio.

Abstract: Dyeing or bleaching apparatus of yarns wound on reels or similar packages, comprising a plurality of small vertical dyeing boilers (15) arranged on a single circumference each suitable for receiving a mobile reel-holding shaft (13) able to be removed at the same time as the others for the subsequent centrifugal water-removal and drying operations, functioning in a reduced bath able to be impregnated even at fractional capacities with a constant bath ratio and productivity.

Abstract: Dying or bleaching apparatus for yarn wound on reels or similar packages, comprising a dying boiler (15) having an annular section suitable for receiving a single circular load of mobile reel holder shafts (13) which can be removed at the same time for the subsequent water draining and drying operations, operating with less liquid and also capable of being used with fractional capacities with a constant soaking ratio.

Abstract: Dying or bleaching apparatus for yarn wound on reels or similar packages, comprising a plurality of small vertical dying boilers (15) arranged on a single circumference each suitable for receiving a mobile reel holder shaft (13) which can be removed at the same time as the others for the subsequent centrifugal water draining and drying operations, operating with less liquid and also capable of being used with fractional capacities with a constant soaking ratio.

Abstract: An oxidation intensifier apparatus for continuous warp-chain indigo dyeing machines for dyeing a plurality of adjacent spaced parallel warp threads passing in a traveling path through a plurality of dyeing and squeezing units includes a first oxidation intensifier unit (10A) on one side of said traveling path, a second oxidation intensifier unit on the other side of said traveling path between two dyeing and squeezing units (I and II), and a fan (19) in each unit for blowing air onto opposite sides of the warp threads passing between the units. Each oxidation intensifier unit has an inlet on which the fan (19) is mounted, a diffuser (22) having an air inlet (21) adjacent the output side (20) of the fan and a diffuser outlet (23) in adjacent spaced relationship to the traveling warp threads (12). Each diffuser may contain in its interior a deflector (25) and/or a grille-type conveyor (26) to assure uniform distribution of the air delivered from the fan to the traveling warp threads.