Centre-feed roll

A - Human Necessities – 47 – K

Patent

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Details

A47K 10/38 (2006.01)

Patent

CA 2238433

A centre-feed roll (1) is disclosed which is formed from two webs (2, 3) each having lines of weakness (10) which allow the web to be separated into a plurality of sheets (8, 9, 11). The lines of weakness of one web are offset from those of the other such that in use the sheets can be dispensed singly from alternate webs. The lines of weakness (10) are manufactured to be as weak as possible such that the frictional force exerted by the aperture (7) may be minimised and the web will break as soon as the frictional force between the web (2, 3) and the aperture (7) is present across the perforations. The webs do not form a rope and the next sheet is presented for the next user to grasp easily. A base for use with a centre-feed roll is also disclosed. The base is provided with a rim extending around an aperture, the rim projecting into the centre of the roll in use. The web passes through the aperture from the inner surface of the roll.

L'invention porte sur un rouleau distributeur à dévidage central (1) formé de deux bandes (2, 3), chacune munie de lignes de rupture (10) permettant de les découper en plusieurs feuilles séparées (8, 9, 11). Les lignes de rupture de l'une des bandes sont décalées par rapport à celles de l'autre ce qui permet de distribuer alternativement les feuilles d'une bande puis de l'autre. Les lignes de ruptures (10) sont aussi peu résistantes que possible, ce qui réduit les frottements exercés par l'ouverture (7) et entraîne la rupture dès que le frottement entre une bande (2, 3) et l'ouverture (7) s'applique en travers des perforations. Les bandes ne se froissent pas pour former un cordon et la feuille suivante se présentant à l'utilisateur suivant est facile à saisir. L'invention porte également sur un support pour le rouleau présentant un bord relevé s'étendant autour d'une ouverture et saillant vers le centre du rouleau. La bande détachée de la surface intérieure du rouleau passe à travers l'ouverture.

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