On-machine-seamable papermaking fabric

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 7/10 (2006.01) D21F 1/00 (2006.01)

Patent

CA 2530468

A multi-layer on-machine-seamable press fabric having a single or double layer weave over the seam loops where the warp ends are not normally woven with CD yams. The CD yams woven into the layer(s) over the seam loops provide the fabric with substantially similar characteristics -including caliper and water permeability- in the seam area as in the remainder of the fabric. Hence, the press fabric provides a solution to the problem of nonuniformity in the seam area, which often results in sheet marking.

La présente invention a trait à une toile synthétique de presse multicouche apte à la jonction sur machine présentant une armure monocouche ou bicouche sur les mailles de couture où les fils de chaîne ne sont pas normalement tissés avec des fils de sens travers. Les fils de sens travers tissés dans la/les couche(s) sur les mailles de couture procurent à la toile des caractéristiques sensiblement identiques, y compris une perméabilité en épaisseur et à l'eau, tant dans la zone de couture que dans le reste de la toile. Ainsi, la toile de presse fournit une solution au problème de manque d'uniformité dans la zone de jonction, qui entraîne souvent le marquage des feuilles.

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