Porous felt web conditioning system

Details Porous felt web conditioning system Porous felt web conditioning system

1977-01-28

1978-09-26

Fisher, Richard V.

Paper making and fiber liberation

Processes and products

Conditioning, preparing or repairing of apparatus

15302, 15306A, 134 15, 134 30, 162275, 162360DP, B08B 500, B08B 704, D21F 132

Patent

active

041167627

ABSTRACT:
A felt conditioning system is disclosed for use in connection with paper-making apparatus wherein an endless belt of absorbent felt is pressed at a station along the path of belt motion, into contact with a paper sheet in order to de-water the latter. In accordance with the invention, the felt is purged of water and other foeign matter transferred thereto from the paper, by passing the belt around a hollow, foraminous conditioning roll at high speed. Air pressure controlled within selected limits is applied to a portion of the inside surface of the belt in contact with the roll. The combined action of centrifugal force, air pressure and gravity expels the water and foreign matter carried by the belt.

REFERENCES:
patent: 3100928 (1963-08-01), Bryand
patent: 3279977 (1966-10-01), Cirrito
patent: 3284285 (1966-11-01), Holden
patent: 3347740 (1967-10-01), Goumeniouk
patent: 3564686 (1971-02-01), Bryand

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