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Device for producing and/or treating material webs

A technology of material web and equipment, applied in papermaking, paper machine, textile and papermaking, etc., can solve problems such as the influence of transfer attempts, time loss, etc., to achieve the effect of improved clamping quality and sensitive deflection

Inactive Publication Date: 2013-11-20
VOITH PATENT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Strong deflection may lead to interference with transfer attempts
Especially in the case of long drying sections the loss of strips results in a large loss of time

Method used

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  • Device for producing and/or treating material webs
  • Device for producing and/or treating material webs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] figure 1 In a significantly simplified schematic illustration according to a section of the drying section 1 used in the apparatus 2 for producing a fibrous web F with a material web, in particular a paper, cardboard or fabric web, for the transfer of such fibers Particularly advantageous application cases and advantageous design of the strip transfer system 3 of the strip RS of the sheet F.

[0033] In order to explain the individual directions, a coordinate system is provided on the drying section 1 . The X direction here describes the longitudinal direction of the device 2 . Said longitudinal direction substantially coincides with the direction of passage of the fibrous web F through the device 2 and thus also becomes the machine direction MD. The Y direction describes a direction perpendicular to the machine direction MD. This direction characterizes the width direction within the machine and is therefore also referred to as the cross-machine direction CD. The Z...

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PUM

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Abstract

The invention relates to a device (2) for producing and / or treating a material web, in particular a fiber material web (F), having a strip transfer system (3) for transferring a strip (RS) of the material web, comprising at least one first transfer region (15) free of a cable arrangement and a second transfer region (16) connected downstream of the first transfer region (15) by means of a transition region (18) and having a cable arrangement (17), the transition region (18) extending from a release region (19) of the first transfer region (15) for the strip (RS) to a clamping region (20) for the strip (RS) formed by the cable arrangement (17) of the second transfer region (16), and means (21) for deflecting the strip (RS) from the web travel path being provided in the transition region (18). The invention is characterized in that the length of the web travel path (S) in the transition region (18) is > 3.2 m, preferably > 3.5 m, particularly preferably > 4 m in the direction of travel of the web.

Description

technical field [0001] The invention relates to a plant for the manufacture and / or processing of material webs, in particular fibrous webs, comprising a strip transfer system for transferring strips of the material web, comprising at least one first transfer zone without rope means and passing through a transition zone A second transfer area with a rope arrangement arranged behind the first transfer area, wherein the transition zone extends from the release area for the strips of the first transfer area up to the clip formed by the rope arrangement for the strips of the second transfer area In the tight area, means are provided for deflecting the web away from the web travel path in the transition area. Background technique [0002] During the production of the material web, within the machine for producing the material web, the material web passes through a plurality of devices connected in line for processing and / or handling the material web. In machines for producing fib...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21F2/00D21F5/04D21G9/00
CPCD21G9/0063D21F2/00D21F5/04D21G9/0072
Inventor N.卡纳E.罗勒尼兹W.卡拉夫特
Owner VOITH PATENT GMBH
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