Calender and method for treating material webs in the calender

Details Calender and method for treating material webs in the calender Calender and method for treating material webs in the calender

D - Textiles, Paper

21

G

D21G 1/00 (2006.01)

Patent

CA 2241211

Calender and method for treating a material web. The calender includes a plurality of rolls in which each roll has a rotational axis. The rotational axes of the plurality of rolls are arranged to be substantially located in a press plane, and a plurality of nips are formed between adjacent rolls. A control device is provided to selectively open and close the plurality of nips, and the rolls are arranged so that at least two opened nips are positioned between two closed nips. The method includes forming a closed nip with the top roll, forming a closed nip with the bottom roll, forming at least two open nips between closed nips, and guiding the material web through at least the closed nips.

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