Suction roll for paper machines

Details Suction roll for paper machines Suction roll for paper machines

1977-10-07

1979-03-27

Fisher, Richard V.

Paper making and fiber liberation

Apparatus

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

162357, D21F 160, D21F 310

Patent

active

041464281

ABSTRACT:
A suction roll, for a paper-making machine having a hollow cylindrical roll shell with a cylindrical inner surface from which a suction box draws water, has members inserted into the roll shell openings. The insert members are apertured with radially-extending ducts for the suction of water to the roll shell inner surface. The insert members form a major portion of the shell inner surface and characterize that surface for relatively low-wear sealing with a suction box movable relative to the roll shell.

REFERENCES:
patent: 2069119 (1937-01-01), Standley et al.
patent: 3105043 (1963-09-01), Rich et al.
patent: 3139375 (1964-06-01), Bryand
patent: 3755869 (1973-09-01), Aurich
patent: 3773614 (1973-11-01), Pennington

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