Presses – Concurrent pressing and conveying – Roll type
Patent
1979-02-09
1980-04-22
McCarthy, Edward J.
Presses
Concurrent pressing and conveying
Roll type
29116AD, B30B 304, B21B 1302
Patent
active
041989058
ABSTRACT:
A calender for processing pulverulent and doughy materials, composed of hydrostatic controlled deflection rolls. Each of the controlled deflection rolls comprises a roll shell rotatable about a stationary support member and hydrostatic support elements which can be activated by a pressurized fluid medium. The hydrostatic support elements of the rolls which coact at a pressure gap or nip, with the same elevational arrangement of such rolls, receive pressurized medium at the same pressure. If the rolls are located at an elevational difference then there is provided a differential pressure regulator for taking into account the effect of the inherent weight of the roll shells. The width over which the rolls can be impinged with the pressurized fluid medium can be adjusted, and equally the temperature of the pressurized fluid medium. The calender can be equipped with four rolls arranged in a substantially Z-shaped configuration.
REFERENCES:
patent: 3885283 (1975-05-01), Biondetti
patent: 3997952 (1976-12-01), Lehmann
patent: 4023480 (1977-05-01), Biondetti
patent: 4074624 (1978-02-01), Biornstad
patent: 4090282 (1978-05-01), Lehmann
patent: 4106405 (1978-08-01), Biondetti
patent: 4154160 (1979-05-01), Kusters
Escher Wyss Aktiengesellschaft
Kleeman Werner W.
McCarthy Edward J.
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