Papermaking conveyer felt for shoe press and pressing device of shoe-pressing type papermaking machine equipped with the same

A shoe press and paper conveying technology, applied in papermaking, paper machines, textiles and papermaking, etc., can solve the problem that the smoothness of the wet paper surface does not make a contribution

Inactive Publication Date: 2007-07-18
ICHIKAWA ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The paper transfer felt for a shoe press disclosed in JP-A-2004-143627 focuses on improving dewatering performance, but does not contribute to improving the smoothness of wet paper surface required for manufacturing high-quality paper

Method used

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  • Papermaking conveyer felt for shoe press and pressing device of shoe-pressing type papermaking machine equipped with the same
  • Papermaking conveyer felt for shoe press and pressing device of shoe-pressing type papermaking machine equipped with the same
  • Papermaking conveyer felt for shoe press and pressing device of shoe-pressing type papermaking machine equipped with the same

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0049] As shown in FIG. 1 , the paper transfer felt 100 for a shoe press has a base layer 11 ; a batt layer 13 (a first batt layer 13A and a second batt layer 13B); and a wet paper contact fiber layer 15 . More specifically, the first batt layer 13A is formed on the wet paper side surface of the base layer 11, and the second batt layer 13B is formed on the roll side surface or the shoe side surface of the base layer 11, and the wet paper contacts The fiber layer 15 is formed on the wet paper side surface of this first batt layer 13A so as to be in direct contact with the wet paper. The base layer 11, the batt layer 13 (the first batt layer 13A and the second batt layer 13B), and the wet paper contact fiber layer 15 are wound and bonded by needling.

[0050] The base layer 11 is used to create strength for the paper transport felt 100 for the shoe press, and may suitably be made of, for example, a woven fabric, or a fabric formed of overlapping yarns which have not been woven, ...

no. 2 example

[0061] A paper transfer felt 200 for a shoe press according to a second embodiment of the present invention will be described below with reference to FIG. 2 . It should be noted that constituent elements similar to those already described in the first embodiment (ie, the paper conveying felt 100 for a shoe press) will be denoted by the same or corresponding reference numerals in the drawings, and descriptions thereof will be omitted or simplified.

[0062] As shown in FIG. 2, in the same manner as the paper conveying felt 100 for a shoe press described above, a paper conveying felt 200 for a shoe press has a base layer 11; Two batt layer 13B); and the wet paper contact fiber layer 15; but the difference from the paper conveying felt 100 for a shoe press is only that this paper conveying felt 200 also has the function of being positioned on the first batt layer in such a manner. Hydrophilic nonwoven fiber 23 in 13A: the first batt layer is located between the base layer 11 and...

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PUM

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Abstract

A paper transporting felt for a shoe press includes a base layer, a first batt layer which is formed on a wet paper side surface of the base layer, a second batt layer which is formed on a roll side surface or a shoe side surface of the base layer, and a wet paper contacting fibrous layer which includes split fibers and is formed on a wet paper side surface of the first batt layer so as to come into direct contact with the wet paper. The split fibers are split by being pressurized by the roll and the shoe.

Description

technical field [0001] The present invention relates to a wet paper conveying felt for a shoe press (hereinafter referred to as "paper conveying felt for shoe press" or simply "paper conveying felt") and a paper having the same Press unit of a shoe press paper machine for conveying felts. Background technique [0002] The press section of the shoe press paper machine has a press device. The pressing device has a plurality of pressing mechanisms sequentially arranged along the conveying direction of the wet paper. Each press mechanism has a pair of endless belt-shaped paper conveying felts and rollers and shoes (ie, shoe presses), which are arranged vertically opposite each other to press the paper between them. Conveys various parts of the felt. When the wet paper is conveyed by the paper conveying felt moving at substantially the same speed in the same direction by the rollers and shoes together with the paper conveying felt, when the water in the wet paper is squeezed o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21F7/08
CPCY10T442/59D21F7/083
Inventor 小林靖彦
Owner ICHIKAWA ELECTRIC CO LTD
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