Press device

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 3/04 (2006.01) D21F 3/02 (2006.01)

Patent

CA 2211295

Press device and method for treating a material web. The press device may include a shoe press roll that includes a flexible, tubular press jacket, face plates, face plate bearings associated with the face plates, a carrier axially extending through the press jacket, the face plates coupled with axial ends of the press jacket, and a press shoe device. The press device may also include an opposing element such that the shoe press roll and the opposing element may be adapted to form a nip. The carrier may support the press shoe device and may carry the face plate bearings, and the face plates, during an unloaded state of the shoe press roll, may be arranged inclined in opposite directions to form a press jacket mount that widens in a direction of the nip. The method may include exerting no load on the shoe press roll, providing a carrier supporting a roll jacket, positioning ends of a roll jacket of the shoe press roll to be non-parallel with respect to each other to form a longest and shortest longitudinal surface of the roll jacket, and adapting a position of the longest longitudinal surface for receiving a load and for forming a press nip.

Cette invention concerne une presse et une méthode de traitement de matériau en bande. La presse peut comporter un rouleau presseur qui comprend un manchon souple tubulaire, des joues, des paliers de joue, un axe porteur traversant le manchon, les joues fixées aux extrémités axiales du manchon et les sabots de charge. La presse peut également comporter un éléments antagoniste disposé de sorte qu'il forme avec le rouleau presseur une ligne de contact ou pince. L'axe porteur peut supporter les sabots de charge, et les paliers de joue tandis que les joues s'inclinent en directions opposées, lorsque le rouleau presseur n'est pas placé sous charge, pour former un support de manchon qui s'élargit en direction de la ligne de contact ou pince. La méthode peut comprendre la non mise en charge du rouleau presseur, l'utilisation d'un axe supportant le manchon, le positionnement convergent des joues du manchon du rouleau presseur pour bomber celui-ci longitudinalement du côté de l'application de la charge et former une ligne de contact ou pince.

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