Pressure roll for use in calenders or the like

Details Pressure roll for use in calenders or the like Pressure roll for use in calenders or the like

1983-12-27

1985-06-04

Feldman, Peter

Presses

Concurrent pressing and conveying

Roll type

29116AD, B30B 304

Patent

active

045207232

ABSTRACT:
A pressure roll for use in a calender has a beam whose end portions are mounted in a stationary frame and which is spacedly surrounded by a hollow cylindrical shell. Groups of hydrostatic supporting elements are installed in the space between the shell and the beam, and each such group has several supporting elements, as considered in the circumferential direction of the shell. Each supporting element has several hydraulic pressure transmitting cylinder and piston units which are adjacent to each other, as considered in the circumferential direction of the shell. The axis of the shell is held in a supporting plane which includes the axis of the pressure roll as well as the axis of an adjacent roll, and such retention of the axis of the shell in the supporting plane is effected exclusively by regulating the pressure of hydraulic fluid in selected pressure transmitting units. The end portions of the shell are movable radially of the respective portions of the beam.

REFERENCES:
patent: 4092916 (1978-06-01), Link et al.
patent: 4328744 (1982-05-01), Pav et al.
patent: 4357743 (1982-11-01), Hefter et al.
patent: 4372205 (1983-02-01), Pflaum
patent: 4447940 (1984-05-01), Appenzeller et al.

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