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Method of treatment installation with strip-shaped metal band and corresponding treatment installation

A metal belt and ring technology, applied in textiles and papermaking, calendering, papermaking, etc., can solve the problems of paper thickness characteristic defects, defective thickness and humidity characteristics, and achieve the effect of low cost

Inactive Publication Date: 2011-03-30
METSO PAPER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In some cases, regularly repeated wear in the machine direction on the metal belt in the machine direction may occur in a processing plant configured with an endless metal belt due to defects that occurred at an earlier processing stage over a longer period of time. position causes defective caliper and moisture properties of the paper, which causes defects in the caliper properties of the paper

Method used

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  • Method of treatment installation with strip-shaped metal band and corresponding treatment installation
  • Method of treatment installation with strip-shaped metal band and corresponding treatment installation

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Embodiment Construction

[0013] figure 1 An exemplary front view of a processing plant, embodied as a metal belt calender 1 , for applying the method according to the invention is shown. figure 1 Only the part of the metal belt calender important for the description of the invention is shown, for example with a polymer roll 2 with a soft surface, the shaft of which is supported on supports 10 and 11 on the bearing. The polymer roll 2 can have a fixed shaft or a shaft that rotates with the sleeve. Arranged axially parallel to polymer roll 2 in the vicinity of polymer roll 2 is guide roll 4 , which is supported via shaft ends on bearings 12 and 13 .

[0014] The roller can also be embodied as a roller supported centrally on the inside. An endless metal belt 6 is arranged around the polymer roll 2 and the sleeve of the guide roll 4 . The belt 6 travels with the rollers 2 and 4 and the roller sleeves along a closed, endless track at a position in the axial direction of the rollers. The belt calender ...

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Abstract

The present invention relates to a method for minimizing flaws influence in a fiber web (9) in a treatment region (N) between a metal band (6) and a resistive element (3) in a treatment installation of a paper / tissue paper / cardboard machine or after-treatment machine having the strip-shaped metal band (6). In the method, The metal band (6) is steered during operation in such a manner that the metal band implements an oscillating movement in the transverse direction with adjustable range and speed. The invention also relates to said treatment installation (1).

Description

technical field [0001] The invention relates to a method for use in a post-processing plant of a paper / tissue / board machine or post-processing machine constructed with an endless belt, which consists of a processing area between a metal belt and a resistance element (Widersstandselement) The effects of machine-direction defects of the fiber web to be treated in a machine having means for guiding the metal belt in the transverse direction are minimized. The invention also relates to a fibrous web handling plant configured with an endless metal belt in a paper / tissue / board machine or finishing machine. Background technique [0002] For example, in paper production lines, deviations of the web in the transverse direction (wear, defective profile (Profilierung) etc.) Defects in caliber (Kaliber), moisture, smoothness or weight per unit area. Such regular defects can be visible in the final product by themselves, or extremely small defects in themselves (such as thickness defec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21G9/00
CPCD21G1/006D21F7/02D21G1/0066D21G9/0045
Inventor 米卡·维尔扬马
Owner METSO PAPER INC
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