Reduced ply separation tail seal

D - Textiles – Paper – 21 – H

Patent

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Details

D21H 27/32 (2006.01) B32B 7/12 (2006.01) B32B 29/00 (2006.01) B65H 37/04 (2006.01)

Patent

CA 2559663

Easy starting rolls of perforated tissue product which have a reduced tendency to ply separate are formed with an adhesively secured doubled over tail tab folded against the roll. The strength and location of the bonds are controlled by controlling the penetration of the adhesive into the tissue. The dry tensile strength of the projecting folded over tail tab exceeds 400 g/in and the caliper thereof exceeds one mil The adhesive bonds are spaced away from lines of perforation joining sheets in the initial sheets of the roll.

La présente invention concerne des rouleaux de produit en papier ménager perforé, qui sont faciles à mettre en service, et ont une tendance limitée à la séparation des couches, lesdits rouleaux étant formés avec un onglet d'extrémité doublé fixé de façon adhésive, replié contre le rouleau. La résistance et l'emplacement des liaisons sont régulés grâce à la régulation de la pénétration de l'adhésif dans le papier ménager. La résistance à la déchirure à l'état sec de l'onglet d'extrémité replié en projection, est supérieure à 400 g/in et sont épaisseur est supérieure à un millimètre. Les liaisons adhésives se trouvent à distance de lignes de perforations qui joignent les feuilles, sur les feuilles initiales du rouleau.

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