Method for preventing web rewetting

Details Method for preventing web rewetting Method for preventing web rewetting

1975-07-28

1977-08-30

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

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

162217, 162357, 162370, D21F 160

Patent

active

040452816

ABSTRACT:
A method for preventing web rewetting in a paper making machine of the type comprising a forming cylinder with an apertured or perforated periphery, with or without a foraminous belt wrapped around the cylinder, on which cylinder there is formed, during rotation of the cylinder, a paper web by a pressure slice to which paper slurry or stock is supplied, the paper web remaining on the periphery of the cylinder or belt over a major portion thereof, while water is drawn from the web by means of one or more suction boxes located within the cylinder and extending from the pressure slice to a transfer zone where the web is transferred from the cylinder or belt onto a felt or wire cloth for subsequent processing. In the remainder of the paper making machine there is provided a suction box extending over an arc from said web transfer zone to the area of said pressure slice to prevent rewetting of the withdrawn web.

REFERENCES:
patent: 2658430 (1953-11-01), Stevens
patent: 3205126 (1965-09-01), Clink
patent: 3321360 (1967-05-01), Holt
patent: 3547777 (1970-12-01), DeNoyer

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