Rolls, such as filled calender rolls, having deflection compensa

Details Rolls, such as filled calender rolls, having deflection compensa Rolls, such as filled calender rolls, having deflection compensa

1978-09-27

1980-03-25

Feldman, Peter

Presses

Concurrent pressing and conveying

Roll type

100170, 29116AD, B30B 304

Patent

active

041944461

ABSTRACT:
A roll, such as a filled calender roll of the type used in supercalenders of paper machines, includes an inner shaft and an outer shell which coaxially surrounds the inner shaft and is rotatable with respect thereto. A pair of deflection-compensating structures are provided to act between the shaft and the shell so as to urge the latter outwardly from the shaft at a pair of locations which are situated at different angular positions with respect to the common axis of the shell and shaft. The two deflection-compensating structures provide for compensation for the weight of the entire roll as well as for compensation for pressure acting on the roll at a nip which is defined in part by the roll.

REFERENCES:
patent: 3196520 (1965-07-01), Appenzeller
patent: 3276102 (1966-10-01), Justus
patent: 3336648 (1967-08-01), Alexeff
patent: 3430319 (1969-03-01), Skaugen
patent: 3610137 (1971-10-01), Brafford
patent: 3624880 (1971-12-01), Justus et al.
patent: 3802044 (1974-04-01), Spillmann et al.
patent: 3997953 (1976-12-01), Christ et al.
patent: 4058877 (1977-11-01), Lehmann

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