Feeding and cutting cylinder with suction-operated, sliding...

Details Feeding and cutting cylinder with suction-operated, sliding... Feeding and cutting cylinder with suction-operated, sliding...

B - Operations, Transporting

65

H

164/67

B65H 3/08 (2006.01) B65H 19/26 (2006.01) B65H 19/28 (2006.01)

Patent

CA 1320430

FEEDING AND CUTTING CYLINDER WITH SUCTION-OPERATED, SLIDING SHUTTER FOR WEB REWINDING MACHINES ABSTRACT A web-feeding and cutting cylinder for rewinding machines, especially in the paper-manufacture industry, includes a suction-operated retention means which temporarily retains, on the cylinder surface, at least one end of the cut web. In the cylinder is a linear, ribbon-like shutter, extending parallel to the axis of the cylinder. It is axially movable and has orifices which cooperate with orifices in the bed or surface on which the shutter slides. This arrangement opens and closes a communication between a vacuum cavity inside the cylinder and the cylinder surface, with a limited displacement of the shutter.

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