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Method and device for the treatment of a product web

A technology for processing products, products, applied in the direction of textiles and paper, paper machines, calenders, etc., can solve problems such as reduced productivity, high cost, interruption of processing methods, etc.

Active Publication Date: 2019-11-15
ANDRITZ KUESTERS GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The effort incurred by the plant operator is also high and (due to the reinforced layer) considerably more material has to be removed or recovered
[0017] In the case of the processing of product webs, for example made of textiles, plastic or paper, roll changes always lead to an interruption of the processing method and thus to a reduction in the productivity of the method

Method used

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  • Method and device for the treatment of a product web
  • Method and device for the treatment of a product web
  • Method and device for the treatment of a product web

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] exist figure 1 The device 100 shown purely schematically in a view transverse to the forward movement direction V of the product web W is used for consolidating a product web comprising a nonwoven. The product web has threads 1 made of thermoplastic material. In order to provide these filaments, at least one spin beam 2 is generally provided. exist figure 1 The device shown in has two spin beams 2 . With the aid of the spin beam 2 , the correspondingly released filaments 1 are deposited onto the upper side O of the screen belt 7 or, if appropriate, onto a yarn layer already lying on the screen belt 7 . The screen belt 7 is formed as a continuous loop guided around the guide rollers 3 , 4 , 5 , 6 . For the purpose of uninterrupted placement of the filaments, an air flow L is generated in the respective placement region 8 of the respective spinning beam 2 by means of a suitable blower, not shown in the figures, which flows from above Down through the sieve belt 7.

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PUM

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Abstract

The invention relates to a method for the treatment of a product web (W), in which the product web (W) is transported in an advance direction (V) and is guided through a first treatment gap (26) formed by a treatment roll (16') located in a first working position and a counter tool (17), comprising the following steps for the replacement of the first roll: -providing a second roll (16'', 31); -moving the second roll (16'', 31) into a second working position in which the second roll (16'', 31) forms a second treatment gap (30, 32) with the counter tool (17); -moving the first treatment roll (16') into a first parked position in which it does not form a treatment gap with the counter tool (17).

Description

technical field [0001] The invention relates to a method for processing a product web, wherein the product web is transported in an advancing motion direction and guided through a first processing nip formed by processing rollers and cooperating tools. The invention also relates to a device for carrying out the treatment method. Background technique [0002] It is known to transport a product web for its processing in the direction of forward movement and to guide it through a processing gap formed by processing rollers and cooperating tools in the working position. Such product webs may in particular be product webs made of nonwovens, textiles, plastics or paper as well as composite materials comprising one or more of these materials. [0003] During such treatments it is often necessary to replace the treatment rollers. As an example of the reason: [0004] - The wear limit of the handling roller is reached. [0005] - Alteration of the treatment result by exchanging s...

Claims

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Application Information

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IPC IPC(8): D21G1/02
CPCD21G1/0293D21F7/08D21G1/002B29C59/04
Inventor M·沙尔芬贝格F-J·科嫩A·卢卡斯A·许内肯斯
Owner ANDRITZ KUESTERS GMBH & CO KG
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