Dewatering suction apparatus for paper making machine

Details Dewatering suction apparatus for paper making machine Dewatering suction apparatus for paper making machine

1978-07-05

1980-03-04

Fisher, Richard V.

Paper making and fiber liberation

Apparatus

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

162257, 162364, 162366, D21F 152

Patent

active

041916123

ABSTRACT:
A dewatering suction apparatus for paper making machine having foil plates which form suction slots under a wet paper conveyor belt has an air outlet nozzle which injects air under the conveyor belt on the up-stream side of the suction slots generally counter to the direction of movement of the belt. The apparatus also has an auxiliary suction device on both side edges of the belt. The auxiliary suction device has a side edge sensing finger to control the size of the suction slot opening at each side edge of the belt.

REFERENCES:
patent: 1279170 (1918-09-01), Sullivan
patent: 3463700 (1969-08-01), Brewster et al.

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