Tandem calender

Details Tandem calender Tandem calender

1986-01-08

1987-06-02

Chin, Peter

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162205, 162206, 1623601, 100161, 100168, 100169, 100176, D21H 506, B30B 304, D21F 1100

Patent

active

046701028

ABSTRACT:
A tandem calender is provided at the output end of a paper machine which includes two single stack nips in-line. The first nip is formed by a pair of steel rolls which are lightly loaded and the second nip is formed by a steel roll and a plastic covered roll which is loaded 2-10 times greater than the first nip.

REFERENCES:
patent: 56682 (1866-07-01), Wright
patent: 745340 (1903-12-01), Foley
patent: 4366752 (1983-01-01), Koski
patent: 4375188 (1983-03-01), Leiviska
patent: 4534829 (1985-08-01), Ahrweiler
Calkin, "Modern Pulp and Paper Making", 1957, pp. 312-313.

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