A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 13/15 (2006.01)
Patent
CA 2750830
Disclosed are examples of a system for regulating the longitudinal strain in an elastic longitudinal material being applied to a sheet material in continuous fashion. The system may include a continuous supply of the sheet material; a continuous supply of the elastic longitudinal material; first and second feed rollers having a feed nip therebetween through which the elastic longitudinal material passes longitudinally, and downstream first and second joining rollers having a joining nip therebetween through which the sheet material and the elastic longitudinal material pass. The linear velocity of the circumferential surface of at least one of the first or second feed rollers is controlled relative to the linear velocity of the circumferential surface of at least one of the first or second joining rollers, to regulate longitudinal strain in the elastic longitudinal material.
La présente invention concerne des exemples d'un système permettant de réguler la tension longitudinale dans un matériau longitudinal élastique que l'on applique à un matériau de feuille d'une manière continue. Ledit système peut comprendre l'apport continu du matériau de feuille, l'apport continu du matériau longitudinal élastique, des premier et second rouleaux d'alimentation dotés d'un espace d'alimentation entre eux, à travers lequel le matériau longitudinal élastique passe de manière longitudinale, et des premier et second rouleaux de jonction en aval présentant un espace de jonction entre eux, à travers lequel passent le matériau de feuille et le matériau longitudinal élastique. La vélocité linéaire de la surface circonférentielle du premier et/ou du second rouleau d'alimentation est commandée par rapport à la vélocité linéaire de la surface circonférentielle du premier et/ou du second rouleau de jonction, afin de réguler la tension longitudinale dans le matériau longitudinal élastique.
Eckstein Joseph Allen
Thomas Terry Howard
Dimock Stratton Llp
The Procter & Gamble Company
LandOfFree
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