| 摘要 |
A roll sleeve for use in a press device for the dewatering of paper, cardboard, tissue or another fibrous web in a papermaking machine for the production and/or conversion of the web. The roll sleeve including an outer sleeve having a surface. The surface including a plurality of grooves progressing approximately in a circumferential direction. The grooves being axially adjacent and arranged in the same direction. The grooves having a length, The grooves being offset against each other by a substantially equal amount. The amount of the offset being between 10% and 50% of the groove length.
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