Apparatus and method for controlling the temperature of...

B - Operations – Transporting – 29 – C

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B29C 59/04 (2006.01) B05D 1/28 (2006.01) B65H 37/00 (2006.01)

Patent

CA 2648532

A method and apparatus for zone controlling the temperature of a rotating roll. The apparatus (12) includes a roll (30) having a surface (32) at a first temperature and a belt (70) disposed adjacent at least a portion of the surface (32) of the roll (30). The belt (70) contacts the roll surface (32) in a contact region (C) and has a second temperature that is different from the first temperature of the roll (30) such that the belt (70) affects a temperature change in at least a portion of the surface (32) of the roll (30) in the contact region (C) as the roll is rotated.

Le présent brevet porte sur une méthode et un appareil pour la régulation de la température, selon la zone, sur un rouleau rotatif. L'appareil (12) comporte un rouleau (30) dont une surface (32) se trouve à une première température et une courroie (70) disposée de façon adjacente par rapport à au moins une portion de la surface (32) du rouleau (30). La courroie (70) est en contact avec la surface du rouleau (32) dans une région de contact (C) et présente une deuxième température qui est différente de la première température du rouleau (30), de façon à ce que la courroie (70) entraîne un changement de température dans au moins une portion de la surface (32) du rouleau (30) dans la région de contact (C) pendant que le rouleau tourne.

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