B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 5/22 (2006.01) B65H 23/24 (2006.01) B65H 29/24 (2006.01)
Patent
CA 2610064
A web control device is provided as a generally cylindrical hollow bar having a plurality of holes disposed thereon. Each of the plurality of holes is capable of providing fluid contact between the central portion and the outer portion of web control device. The web control device provides contact-less support of a moving web material and can reduce the Poisson lateral contraction in a moving and/or tensioned web material without wrinkling or significantly stretching the moving web material.
La présente invention concerne un dispositif de guidage de bande de matière qui comprend une barre creuse généralement cylindrique présentant une pluralité de trous. Chacun des trous de la pluralité, peut matérialiser un contact fluidique entre la partie centrale et la partie extérieure du dispositif de guidage de bande de matière. Le dispositif de guidage de bande de matière sert de support sans contact à la bande de matière en mouvement, et permet de réduire la contraction latérale de Poisson dans une bande de matière en mouvement et/ou sous tension, sans plisser ni étirer de manière significative la bande de matière en mouvement.
Dimock Stratton Llp
The Procter & Gamble Company
LandOfFree
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