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Equipment for hydraulically reinforcing webs, woven or knitted fabrics

A fiber mesh and woven fabric technology is applied in the field of reinforcement devices to avoid bulging

Active Publication Date: 2022-04-01
TRUETZSCHLER GRP SE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fibers may move which can negatively affect the appearance as well as the strength and elongation of the fibrous web

Method used

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  • Equipment for hydraulically reinforcing webs, woven or knitted fabrics
  • Equipment for hydraulically reinforcing webs, woven or knitted fabrics
  • Equipment for hydraulically reinforcing webs, woven or knitted fabrics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] exist figure 1 A stiffening device 1 according to the prior art is shown in , which essentially comprises a continuous belt 7 or alternatively a drum with at least one water beam 4 . The continuous belt 7 can be implemented as a screen belt in order to remove the water quickly. Below the continuous strip 7 , in the region of the nozzles 5 , the suction pipe 3 b is shown as a rectangular box, which likewise has at least one suction slot 3 c. The compression plate 14 can be arranged and fastened directly on the water beam 4 according to this embodiment. The fastening 15 in the region of the rear edge of the compression plate 14 can be implemented on the side wall of the water beam 4 or, of course, also in the region of the nozzle 5 on the lower surface. This has the advantage that the outlet edge 14 a can be aligned very well with the water jet 6 . The lateral fastenings 15 on the water beam 4 can also be height-adjustable, so that the pressure can be adjusted to the f...

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PUM

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Abstract

The invention relates to a device for hydraulically reinforcing webs, woven or knitted fabrics, comprising a reinforcing device (1) having at least one water beam (4) and a roller (3) or continuous belt (7), fiber The webs (2) are transported and strengthened between them, wherein, in the running direction of the fibrous web (2), upstream of the water beams (4) are arranged compression plates (14), which are compressed on rollers (3) or in continuous Fiber web (2) on belt (7). The invention is characterized in that, in the running direction of the fiber web (2), upstream of the compression plate (14), above and / or below the fiber web (2), at least one lead-off device is arranged, with which the passing fibers are led Air carried by the web (2).

Description

technical field [0001] The invention relates to a device for hydrodynamically reinforcing fibrous webs, woven or knitted fabrics, comprising a strengthening device having at least one water beam and rollers or continuous belts between which a fibrous web is transported and strengthened. Background technique [0002] In the device for the hydrodynamic reinforcement of the fiber web, the fiber web is compressed prior to the reinforcement by wetting and compressing the fiber web between two belts or between a belt and a roller. As a result, the fiber web is somewhat pre-reinforced and thus less vulnerable and insensitive to further reinforcement. This is followed by interlacing of the fibers, in that the fibers are entangled with each other by means of high-pressure water jets. The interlacing of the fibers takes place via a nozzle bar from which water jets impinge on the fiber web under high pressure. The belt or drum below the fiber web has a plurality of openings, into whi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D04H1/492D04H18/04D06B1/02
CPCD04H18/04
Inventor 弗洛里安·赛尔斯托马斯·魏格特
Owner TRUETZSCHLER GRP SE