Method in drum winding of a web and a drum winder

Details Method in drum winding of a web and a drum winder Method in drum winding of a web and a drum winder

B - Operations, Transporting

65

H

B65H 18/26 (2006.01) B65H 18/20 (2006.01)

Patent

CA 2125093

A method for drum winding a web and a drum winder in which a roll that is being formed, i.e., onto which a web is being wound, is supported on winding drums. At least a part of the area that surrounds the roll being formed is subjected to a pressure lower than the pressure that prevails in a gap formed by the roll being formed and the winding drums, whereby a floating effect is produced on the roll being formed. The drum winder is preferably placed in a vacuum chamber.

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