Knife cylinder for processing webs of material

Details Knife cylinder for processing webs of material Knife cylinder for processing webs of material

B - Operations, Transporting

26

D

164/135

B26D 1/12 (2006.01) B26D 7/26 (2006.01)

Patent

CA 1272441

ABSTRACT A KNIFE CYLINDER FOR PROCESSING WEBS OF MATERIAL A knife cylinder for processing webs of material, for example paper, plastics sheets, metal foil and fabric, has at least one groove formed in the periphery or circumference of the knife cylinder and disposed substantially parallel to the axis of rotation of the cylinder. The cylinder comprises at least one knife, the knife being secured in the groove or one of the grooves or each knife being secured in a respective one of the grooves, pressure medium cylinders distributed along the length of the or each knife and arranged to press the knife against the knife cylinder, and channel means rotatable with the knife cylinder and connected to the pressure medium cylinders, the channel means being for supplying pressure medium from the cylinders, and a shim or spacer member disposed between the or each knife and the pressure medium cylinders associated with the knife, wherein the pressure medium cylinders associated with each knife are disposed within the groove in which the knife is secured and extend in the circumferential direction of the knife cylinder and the pressure medium cylinders are in the form of metal bellows cylinders.

503488

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