Presses – Concurrent pressing and conveying – Roll type
Patent
1982-05-05
1984-04-03
Hall, Carl E.
Presses
Concurrent pressing and conveying
Roll type
29113AD, 29116AD, B30B 304
Patent
active
044400772
ABSTRACT:
A press roller, with adjustable bending characteristics, has a hollow roller shell which rotates around a fixed yoke. The shell is supported at each end by a self-aligning bearing. The press roller forms a pressure nip with a counter roller. Along this pressure nip, there is a semi-circular main pressure chamber arranged between the yoke and the roller shell, the length of which is equal to the length of the pressure nip. Adjoining this main pressure chamber there are provided at each end of the roller shell, a respective semi-circular additional pressure chamber. With a view to the bending characteristics of the yoke in the operation of the press roller, the axial and circumferential seals defining each additional pressure chamber are arranged on a respective annular shaped seal support. The latter support is supported by studs so that it may tilt on the yoke and shift axially with respect to the yoke.
REFERENCES:
patent: 3196520 (1965-07-01), Appenzeller
patent: 3362055 (1968-01-01), Bryce
patent: 3703862 (1972-11-01), Appenzeller
patent: 3921514 (1975-11-01), Biondetti
patent: 4194446 (1980-03-01), Palovaara
patent: 4299162 (1981-11-01), Hartmann et al.
Bortch John T.
Hall Carl E.
J. M. Voith GmbH
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