Multiple layer paper making wire with zig zag directed connectin

Details Multiple layer paper making wire with zig zag directed connectin Multiple layer paper making wire with zig zag directed connectin

1988-02-11

1990-08-07

Falik, Andrew M.

Textiles: weaving

Fabrics

Drier felts

139410, 139425A, D03D 1100, D03D 1300, D03D 1502

Patent

active

049459520

ABSTRACT:
A composite paper making wire (a generic term for a paper making fabric) as a sheet forming part of a paper-making machine includes an upper fabric layer and a lower fabric layer which are interconnected by longitudinally directed or cross directed connecting yarns of synthetic material. By utilizing the cross directed connecting threads the different cross contractions of that wire are restricted, but not the relative movements between the upper fabric layer and the lower fabric layer in the running direction of the machine as caused by the pertinent load changes on passing the rolling system of the wet part of the paper making machine. These movements destroy the binding threads by wear. Therefore, it is desirable that the composite wire be constructed to be suited for taking over existing tensions in longitudinal and cross-ways directions created by the roller in the paper making machine. To solve this problem at least some of the connecting points or points of interweaving of at least one of the connecting threads of the upper fabric are arranged with respect to the points of interweaving of the lower fabric such that the connecting threads with the upper and lower layers create a zig-zag pattern in the plane view, wherein the connecting threads traverse horizontally creating an oblique angle between the connecting threads and the upper and fabric layers.

REFERENCES:
patent: 4359069 (1982-11-01), Hahn
patent: 4640741 (1987-02-01), Tsuneo
patent: 4709732 (1987-12-01), Kinnunen
patent: 4729412 (1988-03-01), Bugge
patent: 4739803 (1988-04-01), Borel
patent: 4759391 (1988-07-01), Waldvogel et al.

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