Cylinder for the guiding of endless webs of material

Details Cylinder for the guiding of endless webs of material Cylinder for the guiding of endless webs of material

D - Textiles, Paper

21

F

92/21.5

D21F 3/10 (2006.01) B65H 23/24 (2006.01)

Patent

CA 2015207

ABSTRACT A hollow cylinder exhibits an internal body, which forms a sickle-shaped space by means of a partial cylindrical surface arranged centrically to the hollow cylinder, with a smaller radius than its internal radius. In this space there is created a vacuum on rotation of the hollow cylinder. By this means air is sucked out of the area through the boreholes of the hollow cylinder, where a web of material wraps the hollow cylinder. This leads to a firmer adherence of the web on material to the hollow cylinder.

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