Method and apparatus for processing a web of material

Details Method and apparatus for processing a web of material Method and apparatus for processing a web of material

D - Textiles, Paper

21

H

D21H 25/04 (2006.01) B65H 19/10 (2006.01) D21G 1/00 (2006.01)

Patent

CA 2145103

A method and apparatus for processing a web of material, which is dispensed from a roll and fed through at least one roller gap of a roller-gap system which includes a processing station, an unrolling station on the input side of the processing station, and a roll magazine on the input side of the unrolling station which magazine includes at least one roll storage position. When rolls of web material are processed, the processing delay times lead to an uneven distribution of the temperature and/or moisture within the roll which in turn causes nonuniformity of the results in the processing station. The web of material still on the roll is exposed, prior to being unrolled, to a preselected atmospheric environment for a predetermined minimum length of time. Accordingly, the roll storage position is located in a chamber, the atmosphere of which can be controlled to a preset temperature and/or humidity level.

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