B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 19/18 (2006.01) B65H 23/04 (2006.01) B65H 23/182 (2006.01) B65H 39/16 (2006.01)
Patent
CA 2503438
A method and apparatus for unwinding a vertically oriented roll of web material (10) is disclosed. The roll (10) comprises a lower surface, an upper surface and a circumferential surface. The apparatus comprises: at least one drive element (100) adapted to rotate the vertically oriented roll, a sensor (160) adapted to measure a tension of the web, and a controller adapted to adjust a speed of the web according to the tension of the web. The method comprises steps of rotating the roll (10), determining a desired web tension, and adjusting the speed of the roll (10) according to the desired web tension. The method also comprises a step of supporting the roll (10) on an air cushion.
L'invention concerne un procédé et un dispositif permettant de dérouler un rouleau de matériau en bande d'orientation verticale. Le rouleau comprend une surface inférieure, une surface supérieure et une surface circonférentielle. Le dispositif comprend : au moins un élément d'entraînement pour la rotation du rouleau, un capteur mesurant la tension de la bande, et un contrôleur réglant la vitesse de la bande en fonction de la tension de cette bande. Le procédé décrit consiste à mettre la bande en rotation, à déterminer une tension de bande souhaitée, et à régler la vitesse du rouleau en fonction de la tension de bande souhaitée.
Byrne Thomas Timothy
Mcneil Kevin Benson
Dimock Stratton Llp
The Procter & Gamble Company
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