Roll for guiding web type material

Details Roll for guiding web type material Roll for guiding web type material

B - Operations, Transporting

65

H

271/60

B65H 19/26 (2006.01) B65H 18/20 (2006.01) B65H 19/28 (2006.01) B65H 20/12 (2006.01)

Patent

CA 2006255

A roll for guidance of web type material, such as paper or cardboard, has a shell that features a multitude of bores. The roll is coordinated with a device for subjecting the roll interior to suction. To hold the web on the roll at standstill, part of these bores can be subjected to suction. In the operation of the roll, air trapped between the web and the roll shell can enter the roll also through the remaining bores and escape in the roll area that is not looped by the web.

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