Band press for a fiber web

Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...

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Details

162360, 162361, 100118, 100121, 100153, 100154, D21F 306, D21F 308

Patent

active

044682875

ABSTRACT:
A band press for a fiber web contains a cylinder having a solid surface over which there is guided the fiber web, for instance a paper web, which experiences a pressing or squeezing action in conjunction with a felt or wire and a press band which is impervious for a pressurized fluid medium. To accomplish the pressing or contact action there is provided a press housing containing a plurality of pressure chambers or spaces for pressurized fluid medium and with such pressure chambers operating at different pressures. The paper web is guided in a manner such that it bears upon the surface of the cylinder. The press housing is provided at the location where there outbound or depart the bands with a sharp departure or runnoff edge by means of which the bands are separated from the paper web which continues to remain at the cylinder.

REFERENCES:
patent: 3528881 (1970-09-01), Steube
patent: 3783097 (1974-01-01), Justus
patent: 3808092 (1974-04-01), Busker
patent: 3853698 (1974-12-01), Mohr
patent: 3970515 (1976-07-01), Busker
patent: 4287021 (1981-09-01), Justus et al.

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