Supercalender edge nip relieving

Details Supercalender edge nip relieving Supercalender edge nip relieving

D - Textiles, Paper

21

G

92/4

D21G 1/00 (2006.01) B30B 3/04 (2006.01)

Patent

CA 1238508

A B S T R A C T A calender and method of operating the same, where the calender has a vertical stack of a plurality of rotary rolls, each of the rolls having bearing structure at each opposite end provided with a thrust shoulder cooperative with a stop shoulder on a respective suspension spindle at each end of the rolls. There are guideways for the bearing structures, and there is an arrangement for vertically shifting the rolls between a lowered mode for spaced apart independent suspension by stop shoulders and a raised nipping mode relation with one another. The weight of the bearing structures of the rolls in the raised nipping mode relation is relieved as by cooperating pawl and rack structure.

462434

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