Monofilament low caliper one-and-a-half layer seamed press...

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 7/10 (2006.01) D03D 3/04 (2006.01) D03D 25/00 (2006.01) D21F 1/00 (2006.01) D21F 7/08 (2006.01)

Patent

CA 2505205

A one-and-a-half layer monofilament fabric for use as a low-caliper seamed press fabric on a papermaking machine. The fabric is endless woven with seaming loops formed by adjacent unstacked MD wefts. The seaming loops are oriented perpendicular to the plane of the base fabric for easier connection and seaming. When the fabric is placed under load, the loops collapse back to produce a seam area having the same low caliper as the base fabric. Further, this unstacked fabric structure produces a larger web cake than other fabrics having a similar caliper.

L'invention concerne une toile monofilament à une couche et demi, utilisable comme toile de pressage cousue, de faible épaisseur, pour machine à papier. La toile est un tissé sans fin, avec boucles de couture formées par des trames MD désempilées adjacentes. Les boucles de couture sont orientées perpendiculairement au plan de la toile de base afin de faciliter la connexion et la couture. Lorsque la toile est placée sous charge, les boucles s'affaissent de manière à produire une zone de couture d'une épaisseur aussi faible que la toile de base. En outre, cette structure de toile désempilée produit un gâteau de toile plus important que d'autres toiles d'une épaisseur similaire.

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