Calender, in particular for treatment of a paper web

Details Calender, in particular for treatment of a paper web Calender, in particular for treatment of a paper web

D - Textiles, Paper

21

G

D21G 1/02 (2006.01) D21G 1/00 (2006.01)

Patent

CA 2267030

Calender for the treatment of a paper web including a roll stack of at least three rolls and with least one double-soft nip. The double-soft nip(s) are formed by two rolls, each with an elastic surface layer. At least one of the rolls forming the double-soft nip is heated. In a process using the calendar to treat a material web, the web is introduced into a roll stack having at least two rolls formed with an elastic surface layer over a rigid core, agglomerated in an elastic double-soft nip between the two rolls, heated to introduce energy into the material web and promote agglomerating, and smoothed in the elastic double-soft nip.

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