Wave screen plate

Details Wave screen plate Wave screen plate

1988-06-10

1990-09-04

Hajec, Donald T.

Classifying, separating, and assorting solids

Sifting

With liquid treatment

209397, 209399, 209411, 210413, B07B 146

Patent

active

049542494

ABSTRACT:
A paper pulp screening apparatus wherein a modular cylindrically-shaped screen plate is formed of a thin material of uniform thickness bent to form an undulating shape to increase the screening area, and the screen plate is supported by cylindrical-backing members to give the plate strength, with the plate being formed into various complex shapes. Manufacturing methods for forming the undulating shapes are disclosed.

REFERENCES:
patent: 520571 (1894-05-01), Phillips
patent: 1082855 (1913-12-01), Dull
patent: 2246669 (1941-06-01), Cowan
patent: 2311813 (1943-02-01), Beck et al.
patent: 2617600 (1952-11-01), Cole
patent: 2827169 (1958-03-01), Cusi
patent: 3339731 (1967-09-01), Merges et al.
patent: 3581893 (1971-06-01), Rich

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