DE3309561A1 - Dyeing beam for the dyeing of textile sheet-like structures in a dyeing apparatus - Google Patents

Abstract

The invention relates to a dyeing beam (1) for the dyeing of textile sheet-like structures in a dyeing apparatus, having a cylindrical beam core (2), provided on the circumference with a perforation (3) for the passage of a dye liquor, and an intermediate layer between the beam core and the sheet-like structure rolled up on this. A leader cloth sewn on to the material and forming the first plies of the winding has hitherto served as an intermediate layer. Since a leader cloth of this type absorbs dye and makes multiple use impossible and, moreover, has to be sewn to the material to be dyed and separated again after the dyeing operation, the invention now proposes that a sheath-like covering consisting of a material which is permeable to the dye liquor and which has low dye absorption be drawn on as an intermediate layer. The covering (5) can consist particularly of a needled felt made of polypropylene. <IMAGE>

Description

I ClN ΙΛΙΝ W / \ LX "C"

ING. ALEX STENG ER Kaiser-Friedrich-Ring 70 DIPL-ING. WOLFRAM WATZKE

D-4000 DÜSSELDORF Il DIPL.-ING. HEINZ J. RING

—2 ' EUROPEAN PATENT ATTORNEYS

UnserZeidien: .2.4 197 ^Date: Mar 16 Z 1983

Tuchfabrik Lörrach GmbH, Teichstrasse 56, 7850 Lörrach "

Dye tree for dyeing flat textile structures · in a dyeing machine ~ "- ~"

The invention relates to a dye tree for dyeing textiles Flat structures in a dyeing machine with a cylindrical, circumferential perforation for a dye liquor to pass through provided tree core as well as an intermediate layer between the tree core and the flat structure rolled up on this.

There are basically two systems for dyeing textiles. In the first system, the textile material is in a dyeing machine moved through the dye liquor (aqueous solution of the dyes). The goods to be dyed run from a piece of tree via guide rollers through an ink container. In the second system, the dye liquor is pumped through in a dyeing machine the resting fectilgut pressed or sucked. From this second one The present invention is based on a system with a dyeing machine.

So-called dye trees are used to hold the goods to be dyed - it can be woven, knitted or knitted articles, as well as non-wowens. These essentially consist of a construction core with tree grates arranged on the side. \ The colorier goods, especially textile fabrics in the form of bolts of fabric is rolled up while on the tree core. The dye trees are perforated over their entire circumference, so that the dye liquor can be pumped alternately from the outside to the inside and from the inside to the outside. Soaked in this way

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the dye liquor all rolled up goods.

Especially with sensitive goods, however, when the dye liquor is pumped over, the perforation in the goods is expressed, what makes the first layers of the wrapping unsaleable. To remedy this, it has been suggested to wipe the tree core and to arrange an intermediate layer on the rolled-up fabric to be colored, so that the perforation prints not in the goods, but in this intermediate layer. A pre-fabricated cloth sewn onto the fabric serves as an intermediate layer, that forms the first layer of the wrapping. Such a preliminary cloth is stained, however, what a makes repeated use impossible and thus causes high costs. In addition, the preliminary cloth must be attached to the one to be dyed The goods are sewn on and removed again after the dyeing process.

The invention is therefore based on the object of providing an intermediate layer that can be applied to it in a simple manner fulfilled conditions and avoids the disadvantages of the known intermediate layer. 'j

This object is achieved according to the invention in that as an intermediate layer, a covering-like covering made of a material that is permeable to the dye liquor and difficult to dye is applied. '<

The advantages achieved by the invention are, in particular, that the intermediate layer does not have to be used before each new dyeing organ must be newly applied to the tree core, but that a hose-like coating is raised on the tree core. So is a quick change of the textile material to be dyed is possible. The envelope-like covering forms an even layer for the wrapping Surface. In order not to hinder the pumping of the dye liquor, it must be permeable for this. Since he made a difficult color sticking or clogging, and thus a short service life, is prevented.

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According to a further feature of the invention, an i

Needle felt provided. This material, especially if it;

consists of polypropylene, fulfills the ·}

Conditions «.; I

In a preferred embodiment, the needle felt is with provided with a support fabric. In addition, the needle felt can the side facing the tree core should be singed. By a -· Such consolidation of the covering increases its stability.

Finally, it is proposed with the invention that the coating - is made of a tree in the axial direction of the core with a seam sewn together into a tube plate. Such panels have the advantage that they are easy to manufacture and further process. They can be cut for any size of the coloring tree.

In addition, a homogeneous hose can be provided as a covering, which, however, needles round on a special needle machine

must become. It guarantees an exact fit. '.

Further details and advantages of the subject matter of the invention emerge from the following description of the associated Drawing. In the drawing show:

Fig. 1 shows a cylindrical dye tree with coating in plan view, although the coating in middle area is partially cut away;

Fig. 2 shows a sewn together Belagdanes dye tree in Oblique view;

3 shows a section through a needled Nadelfila covering.

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The coloring tree 1 shown in FIG. 1 consists of a cylindrical tree core 2, the circumference of which is provided with a perforation 3. In the two end regions of the tree core 2 are circular tree grates 4 arranged. Both between the two tree grates 4 as well as beyond these is the Tree core 2 surrounded by a shell-like covering 5, which the The circumference and thus the perforation 3 of the tree core 2 covers evenly.

In such a dye beam 1, the wound to be colored, not shown, of fabric on the core tree 2, wherein the tree grates \ act as a lateral boundary. As a result of the covering 5, the surface of the tree core 2 with its perforation 3 is not in direct contact with the wrapping, so that the perforation 3 is at most impressed on the side of the covering 5 facing the tree core 2. The dye liquor can therefore be pumped alternately from the outside to the inside and from the inside to the outside during dyeing without having to worry that the perforation 3 will be impressed in the fabric web.

The covering 5 shown in Fig. 2 without the dye tree 1 is made from a rectangular plate. The plate is bent into a \ cylindrical tube, wherein the mutually opposite: Stoöflachen 6 are stitched together by a seam. 7 j

A needle felt can serve as the covering 5. Fig. 3 shows a section by such a needled needle felt covering. As a result of the manufacturing process, the fibers of the needle felt are essentially perpendicular to the surface, in the direction of flow of the dye liquor, excl directs. A needle felt is therefore well permeable to the dye liquor. Essential for the quality of the permeability is the selection of the material according to type, fiber thickness, cutting length and construction set elasticity. Polypropylene is particularly suitable as a material for the needle felt.

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The lower, the tree core 2 facing side is with a Support fabric 8 provided. In addition, the surface can be singed on one side.

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Reference equivalents:

1 Dyebaura 2 Tree core 3 perforation 4th Tree grate. 5 Topping 6th Ütoßflflch · 7th seam 8th Support fabric

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Claims (7)

Expectations : Dyeing tree for dyeing textile fabrics in a dyeing machine with a cylindrical, over the circumference with a perforation for the passage of a dye liquor provided tree core and an intermediate layer between the tree core and the flat structure rolled up on this, characterized in that that al3 intermediate layer is a shell-like covering (5) made of a material that is permeable to the dye liquor and difficult to dye is raised. 2. dyeing beam according to claim 1, characterized in that a needle felt is provided as the covering (5). 3. dye tree according to claim 2, characterized in that the needle felt consists of polypropylene. 4. dye tree according to claim 2 and 3 »characterized in that the needle felt is provided with a supporting fabric (8). 5. dyeing tree according to claim 4, characterized in that the needle felt is lowered on the side facing the tree core (2). 6. dyeing tree according to one of claims 1 to 5, characterized in that the covering (5) consists of one in the axial direction of the Baumkernea (2) is made with a seam (7) tu a tube sewn together plate. 7. dye tree according to one of claims 1 to 5 »characterized in that a homogeneous hose is provided as the covering (5) is.