Long-nip press for a paper making machine

Details Long-nip press for a paper making machine Long-nip press for a paper making machine

1984-03-19

1986-03-18

Bashore, S. Leon

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162205, 1623601, 100156, 100210, D21F 306

Patent

active

045766827

ABSTRACT:
An improvement in a long-nip press for a paper making machine, and a method for applying pressure in the press zone of such a long-nip press. The improvement is directed to providing a press shoe arrangement in the press nip that comprises a frame component, means for articulately engaging the frame component with a stationary structure, a first shoe component disposed in the frame component with means for applying pressure to the same, a second shoe component formed as a part of the frame component itself along with means for applying pressure to the same, with the press shoe arrangement constituting means for incrementally increasing pressure on a press belt and in the press zone itself. The method of the present invention is directed to applying pressure on a running fibrous web through a press nip, by incrementally applying greater and greater pressure onto the running fibrous web as it passes through the press nip.

REFERENCES:
patent: 3970515 (1976-07-01), Busker
patent: 4201624 (1980-05-01), Mohr et al.
patent: 4287021 (1981-09-01), Justus et al.
patent: 4464226 (1984-08-01), Karvinen
patent: 4468287 (1984-08-01), Dahl

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