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Method for producing a pattern on a continuous strip

A patterned, rotary screen technology, used in textiles and papermaking, papermaking, paper machine wet end, etc., to achieve the effect of reducing misalignment and optimizing control

Inactive Publication Date: 2011-07-27
VOITH PATENT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the problem is that the cells of the pattern segments arranged side by side often have a strong misalignment with respect to each other

Method used

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  • Method for producing a pattern on a continuous strip
  • Method for producing a pattern on a continuous strip
  • Method for producing a pattern on a continuous strip

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0089] figure 1 The device 1 for carrying out the method according to the invention is shown in side view. figure 2 Shown in top view figure 1 的设备1.

[0090] The endless belt 2 configured as a spirally connected fabric with the outer peripheral plane 3 to be printed is guided around two rollers 4, 5 spaced apart from each other and oriented parallel to each other. The endless belt has a longitudinal direction MD and a transverse direction CMD extending perpendicularly to the longitudinal direction MD.

[0091] The device 1 comprises a coating device 6 which is currently configured as a perforated rotating screen 6.

[0092] The rolls 4, 5 and the rotating screen 6 are supported on a frame 21, which has a machine direction MD and a cross machine direction CMD, wherein the machine direction MD of the frame 21 extends parallel to the longitudinal direction of the endless belt 2, and the frame The machine direction CMD of 21 is parallel to the transverse direction of the endless belt. ...

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PUM

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Abstract

The present invention relates to a method for producing a polymer topographic pattern on a continuous strip which has a longitudinal orientation and transverse orientation perpendicular thereto, the pattern being applied to an area of the continuous strip to be imprinted by means of an application device and the application device moving in relation to the strip in a basic movement which is parallel to the transverse orientation of the strip to produce the pattern. The invention is characterized in that during production of the pattern i) the position of the continuous strip parallel to its transverse orientation, especially relative to a stationary reference position, is measured and ii) the position of the application device is changed by a correction movement parallel to the transverse orientation of the continuous strip when the position of the continuous strip parallel to its transverse orientation is changed, the correction movement being superimposed to the basic movement.

Description

Technical field [0001] The present invention relates to a method for producing a ground pattern made of a polymer material on an endless belt (or endless belt). Background technique [0002] Especially for the production of tissue paper, screens with decorative ground patterns are used. As a result, the following tissue paper was produced, in which the pattern of the screen mesh was embossed. [0003] Different feasible solutions are known in the prior art to apply ground patterns to endless belts. Then, for example, it is conceivable to apply the form pattern by means of a screen printing method or by means of an extrusion nozzle. [0004] Current paper machine fabrics (Papiermaschinenbespannung) often have a width of 10 meters or more. In contrast, the width of the printing screen is usually up to about 1.5 meters. Therefore, the printing screen used in the screen printing method generally only extends over a part of the width of the endless belt. Therefore, in the case of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21F11/00D21F1/00
CPCD21F1/0036D21F11/006
Inventor 安德鲁·阿勒姆约翰·杰弗里大卫·斯图尔特·庞顿安东尼·莫顿斯蒂芬·道格拉斯
Owner VOITH PATENT GMBH