Method for colorless patterning of textile fabric and apparatus for implementing thereof

FIELD: textiles.

SUBSTANCE: invention relates to an apparatus for colourless patterning of a textile fabric made of mutually interlaced and thus strengthened natural or synthetic fibres, preferably of a nonwoven fabric such as a wadding web, which is also dried in the case of a wet treatment such as hydrodynamic needling. The apparatus comprises a housing and a revolving drum provided therein, whereby the textile fabric is pressed by an overpressure and underpressure against the drum having perforations so that the cross-sectional areas of the perforations generate a picture pattern on the textile fabric, wherein an external peripheral surface of the drum being subject to drawing is provided with perforations depicting an image, which perforations act in diverse pattern-imparting fashions on the textile fabric resting thereon. Moreover, the drum and its external peripheral surface are microperforated as a whole and thus fluid-permeable, and the pattern-imparting perforations are sized larger than the microperforation of the surface supporting the textile fabric, Moreover, the textile fabric is capable of leading the fluid away from the entire surface in a region of the pictorial pattern and also beyond peripheral regions of the pictorial pattern.

EFFECT: providing a method with which a pattern can be continuously imposed on a nonwoven fabric in the course of treatment.

11 cl, 2 dwg

 

The invention relates to a method of creating a colorless pattern on the fabric of interwoven and thereby reinforced natural or synthetic fibers, preferably of non-woven material, such as vetoshny canvas, which in the case of wet processing, such as hydrodynamic hypoproteinemia, or finishing process also dried.

From US-A-5115544 or from DE-A-19912279 it is known that the grid supply profilebased exaltation, through which jets of water pressed non-woven material, which is applied to the pattern. Depending on what shape put on an infinite grid in the form of elevations, can create a variety of patterns, possibly as openwork patterns. A similar solution is known from EP-A-0511025, according to which on the net also provide elevation to create a colorless pattern. As a medium to move the fibers can be used hot air. A similar solution is disclosed in DE-A-19929105, in which water is supplied under pressure to the nonwoven material, which is adjacent to the pattern forming a structured grid. And in this case, water is a pattern forming fluid medium.

The higher-cost way to create a colorless pattern using air is disclosed in US-A-4499637. In this way the high-energy air p and of computer-controlled nozzles are blown on the textile fabric, that, however, requires very high costs and high cost of manufacture. Furthermore, from DE-A-2109143 known method, according to which over a textile move the template with notches corresponding to the desired pattern, which is under pressure is blown hot gas. This method, known from the method of color printing, is also not satisfactory. The same is true for ideas known from DE-A-20211188, according to which the creation of a pattern using a template is performed using hot air so that the air for the individual fibers of the pile textile fabric provides shrinkage in accordance with the desired pattern.

Based on the methods of the above kind, the objective of the invention is to provide a method by which cost can be continuously create the pattern on the nonwoven fabric, and it is in the process in any case, the necessary processing of textile fabrics. To solve this problem is the device from rotating inside the drum to create a colorless pattern on the fabric of interwoven and thereby reinforced natural or synthetic fibers, preferably of non-woven material, such as vetoshny canvas, which in the case of wet processing, such as hydrodynamic hypoproteinemia also you is sutured, using excessive and low pressure textile fabric is pressed fitted to the through holes of the drum and the cross-sectional area of the through holes form a patterned image on the fabric, and the circumferential surface of the drum under the hood, equipped with a representing the image of the through-hole, which affect the adjacent textile fabric, giving it a varied pattern, according to the invention the drum and the outer circumferential surface of the drum as a whole is equipped with micro-perforation and thus are permeable to the fluid, and through holes, giving the pattern is made larger than the micro surface in contact with the textile fabric, and it is made with the possibility of draining the fluid from the entire surface in the area of patterned images, and also outside edge regions patterned image.

The outer circumferential surface of the drum is made in the form of a film or steel tape and stretched with a gap on the drum.

Cross-sectional area of the through holes formed randomly oriented on the surface of the drum, creating the image of a straight or curved slits or holes. Holes and things like that together make up the names, pictures, any the process.

Slots, holes and the like are made in the circumferential surface of the drum by punching, laser method or otherwise.

The device is made with the possibility of creating a redundant and, in particular, low pressure to create a patterned image with the fluid of air or gas.

The device is arranged to heat the fluid, air or gas.

The device is made with the possibility of using steam as a gas.

The device is made with the possibility of forming a patterned image on drying textile fabrics.

The device is made with the possibility of forming a patterned image after the process of drying textile fabrics.

The device is made with the possibility of forming a patterned image on the dried non-woven material by means of steam.

Also the invention provides that in the event of pressure, but essentially under reduced pressure textile fabric press fitted to the hole transporting element such as an endless moving film, tape or drum, and the cross-sectional area of the through holes form a patterned image on the fabric. Textile fabric in the case of wet processing must somehow be dried naprimer his hardening processing of hydrodynamic hypoproteinemia. If the device is heat treatment, such as drier on the basis of the net drum, provided with a peripheral surface which is provided with perforations forming the image, the desired pattern occurs by itself without additional costs. The fibers are sucked into the partially through a low-pressure via hole pattern, so that the nonwoven fabric occurs three-dimensional colorless pattern of native fibers of the canvas. But the method according to the invention can also be carried out without the use of a drying process using both cold and warm or hot air, steam or fluid medium.

The device for implementing the method described for example on the drawings, which show the following:

figure 1 is a longitudinal section of a conventional device mesh drum

figure 2 is a view in plan of a circumferential surface of the drum with different patterns as images, formed from the slits.

The usual device on the basis of the net drum consists of a roughly rectangular casing 1, which by means of an intermediate wall 2 is divided into compartment 3 processing compartment and 4 ventilation. In Bay 3 handle set with rotating mesh drum and concentric with him in the compartment 4 ventilation is installed with the possibility of rotation of the fan 6. Of course, compartment ventilation may loc is being separated from the housing 1 of the sieve drum, not shown in the drawing the casing. In any case, the fan creates the hood in the inner space of the drum.

According to figure 1, above and below the fan 6 posted by respectively heating device 7, which consist of tubes through which coolant flows. The drum in the area not covered by non-woven material, closed inside the inner surface 8 against the action of the extrusion. The existing shell of the drum is formed of perforated sheet 5. This sheet may be surrounded on the outside with a gap film or the steel strip 9, which is held stretched over the front side of the drum on both substrates 11, 12. Pattern forming openings can be applied directly on the drum or, if applying film, in this film. In this case we are talking not about ordinary net drum, and a solid drum pattern forming circumferential surface. It is preferred for finishing, clearly formed troopathon, in which the drum, film and similar means are generally permeable, for example equipped with Microperforation that sucked fluid could be abstracted from the whole area, not only from the surface of troopathon.

Mesh drum of the aforementioned type is used mainly for drying. At the same time, the sludge is also separately, it can serve to create a colorless pattern due to the fact that the bearing textile fabric smooth circumferential surface has holes that allow the creation of non-woven three-dimensional pattern. It can be slotted, cross, oval or round, or other openings, which together with other ensure the creation of the desired patterned image. Images of this type is shown in figure 2. There is also patterned in the image 14 in the form of inscriptions "OTTO" shows how film or other similar tool should be made permeable not only for the pattern, but must be fully permeable, for example through the use of Microperforation.

Device for creating a pattern can be used in wall installation after wet processing for simultaneous drying and separately only for use in order to create the pattern. In accordance with this shall be the appropriate environment, such as air, fluid or steam.

1. The device from rotating inside the housing (1) drum (5) to create a colorless pattern on the fabric of interwoven and thereby reinforced natural or synthetic fibers, preferably of non-woven material, such as vetoshny canvas, which in the case of wet processing, such as hydrodynamic and acupuncture is rotaliana, also dried, using excessive and low pressure textile fabric is pressed fitted to the through holes (14) of the drum (5) and the cross-sectional area of the through holes (14) form a patterned image (13) on the fabric, and the circumferential surface of the drum (5)under the hood, equipped with a representing the image of the through-hole (14), which affect the adjacent textile fabric, giving it a varied pattern, characterized in that the drum (5) and the outer circumferential surface of the drum (5) is equipped with micro-perforation and thus are permeable for the fluid, and through holes (14), giving the pattern is made larger than the micro surface in contact with the textile fabric, and it is made with the possibility of draining the fluid from the entire surface in the area of patterned images, and also outside edge regions patterned image.

2. The device according to claim 1, characterized in that the outer circumferential surface of the drum (5) is made in the form of a film (9) or steel tape and stretched with a gap on the drum (5).

3. The device according to claim 1 or 2, characterized in that the cross-sectional area of the through holes formed randomly oriented on the surface of the drum (5)creating and the imagination, straight or curved slits or holes (14).

4. The device according to claim 1, characterized in that the slotted holes (14) and things like that together make up the names, pictures, all kinds of patterns.

5. The device according to claim 1, characterized in that the slotted holes (14) and the like are made in the circumferential surface of the drum (5, 9) by punching, laser method or otherwise.

6. The device according to claim 1, characterized in that it is made with the possibility of over-building and, in particular, low pressure to create a patterned image with the fluid of air or gas.

7. The device according to claim 1, characterized in that it is arranged to heat the fluid, air or gas.

8. The device according to claim 7, characterized in that it is made with the possibility of using steam as a gas.

9. The device according to claim 1, characterized in that it is made with the possibility of forming a patterned image on drying textile fabrics.

10. The device according to claim 9, characterized in that it is made with the possibility of forming a patterned image after the process of drying textile fabrics.

11. The device according to claim 9, characterized in that it is made with the possibility of forming a patterned image on the dried non-woven material by means of steam.



 

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22 cl, 7 dwg, 4 tbl

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