| 摘要 |
An air permeable belt 38 serves for the support of a fiber web 40 , in particular of a paper web or of a board web, in a paper making machine in which it is exposed to suction at least regionally on its side remote from the fiber web. Flow barriers 44 are provided in the region of the belt edges 42 which counter the effect of an air flow extending transversely to the belt running direction.
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