Patent ID: 8486229

Claim:
A device for drying and treating a fiber-based moving fiber web in a tissue machine, comprising: a continuous metal belt mounted for rotation in a continuous rotating cycle about a lower roll and an upper roll positioned above the lower roll, the lower roll and the upper roll being within the continuous metal belt; wherein the continuous metal belt has a portion which extends upwardly between the lower roll and the upper roll, and a portion which extends downwardly between the upper roll and the lower roll where the continuous metal belt returns to the lower roll; at least one pressure roll, having a shell, the pressure roll outside the continuous metal belt, the shell in nip contact with the continuous metal belt on the lower roll, the pressure roll arranged to adhere the fiber web to the continuous metal belt when the fiber web passes through the nip contact, so that the continuous metal belt transfers the fiber web to the upper roll; wherein the upper roll and the lower roll have shells which are in contact with the continuous metal belt which rolls are for supporting the continuous metal belt; a creping doctor blade arranged against the continuous metal belt so as to detach the fiber web from the continuous metal belt substantially after the downwardly extending portion of the continuous metal belt; a first impingement hood positioned outside the continuous metal belt which at least partially covers the continuous metal belt where the fiber web is adhered thereto on the upwardly extending portion of the continuous metal belt, and a second impingement hood positioned outside the continuous metal belt which at least partially covers the continuous metal belt where the fiber web is adhered to the downwardly extending portion of the continuous metal belt; and wherein a principal dimension in a horizontal direction is defined by a greatest dimension of the metal belt in the horizontal direction, and a principal dimension in a vertical direction is defined by a greatest dimension of the metal belt in the vertical direction, and wherein the principal dimension in the horizontal direction is substantially smaller than the principal dimension in the vertical direction.