Papermaking belt providing improved drying efficiency for...

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 11/00 (2006.01)

Patent

CA 2327802

The present invention is a papermaking belt (10) comprising two primary elements: a reinforcing structure (12) and pattern layer (30). The reinforcing structure (12) comprises a web facing first surface of interwoven first machine direction yarns (120) and cross-machine direction yarns (122), the first surface having an FSI of at least about 68. The reinforcing structure has a machine facing second surface which comprises second machine direction yarns (220) binding only with the cross-machine direction yarns (122) in an N-shed pattern, where N is greater than four, wherein the second machine direction yarns bind only one of the cross-machine direction yarns per repeat. The pattern layer (30) extends outwardly from the first surface, wherein the pattern layer provides a web contacting surface facing outwardly from the first surface, the pattern layer extending at least partially to the second surface.

La présente invention concerne une bande (10) pour la fabrication du papier comprenant deux éléments principaux : une structure (12) de renfort et une couche (30) à motifs. La structure (12) de renfort comporte, côté bande continue, une première surface constituée de fils (120) d'un premier sens machine et de fils (122) sens travers entrelacés, la première surface ayant un indice de support des fibres au moins égal à 68 environ. La structure de renfort comporte, côté machine, une seconde surface constituée de fils (220) d'un second sens machine ne se liant qu'aux fils (122) sens travers selon un motif à foule N, où N est plus grand que quatre, les fils d'un second sens machine ne se liant qu'avec un seul fil sens travers par rapport d'armure. La couche (30) à motifs s'étend à l'extérieur de la première surface, ladite couche constituant une surface au contact de la bande continue tournée vers l'extérieur de la première surface, ladite couche s'étendant au moins partiellement jusqu'à la seconde surface.

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