On-machine supercalender apparatus

Details On-machine supercalender apparatus On-machine supercalender apparatus

1981-06-08

1983-03-01

Feldman, Peter

Presses

Concurrent pressing and conveying

Roll type

100168, B30B 304

Patent

active

043751881

ABSTRACT:
On-machine supercalender apparatus adapted to be located at the discharge end of a paper making machine of the type which includes hard and soft calender rolls forming soft calendering nips with each other. The calender rolls are arranged in at least three roll groups, each of the calender roll groups consisting of three calender rolls, namely a central hard calender roll and two outer soft calender rolls. The calender roll groups are separate from each other in that the calender rolls of one group are neither directly or indirectly in nip contact with the calender rolls of another group. At least a majority of the soft calender rolls are replaceable during operation of the apparatus without any significant interruption in operation.

REFERENCES:
patent: 715017 (1902-12-01), Cameron
patent: 2300994 (1942-11-01), Thiele et al.
patent: 3905288 (1975-09-01), Holm
patent: 4128053 (1978-12-01), Kankaanpaa
patent: 4131063 (1978-12-01), Joutsjoki

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