Process for producing papermaker's and industrial fabric...

B - Operations – Transporting – 29 – C

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B29C 65/16 (2006.01) D21F 7/12 (2006.01)

Patent

CA 2698192

The invention disclosed herein relates to the use of laser energy to weld or melt selected locations in papermachine clothing ("PMC") and other industrial and engineered fabrics. The invention also relates to an improved seam for a papermarker or other industrial fabric that has properties such as strength, durability, openness, adequate number of support point, and fiber support index (FSI) essentially the same as the fabric body. The invention also relates to a fabric having a durable seam, wherein the seam width as measured in the MD is a fraction of the width of a normal seam that is formed using a conventional technique of equal strength.

La présente invention concerne l'utilisation d'énergie laser pour souder ou fusionner des emplacements sélectionnés dans un habillage pour machine à papier (PMC) et autres tissus industriels et manufacturés. L'invention concerne également une couture améliorée pour un tissu utilisé dans la fabrication du papier ou un autre tissu industriel présentant des propriétés telles qu'une résistance, une durabilité, une porosité, un nombre de points de support adapté et un indice de support de fibres (FSI) essentiellement identique à celui du corps du tissu. L'invention concerne également un tissu ayant une couture durable, la largeur de la couture telle que mesurée dans le sens machine correspondant à une fraction de la largeur d'une couture normale qui est formée selon une technique traditionnelle de résistance égale.

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