Fibrous stock screen

Details Fibrous stock screen Fibrous stock screen

1979-03-29

1980-11-18

Halper, Robert

Classifying, separating, and assorting solids

Sifting

Drum sifters

209273, 209379, 209380, 210415, B07B 120

Patent

active

042344174

ABSTRACT:
An apparatus for screening fibrous stock. A rotor is rotatably mounted within an open ended, cylindrical screen which is mounted in a hollow housing. Fibrous stock is introduced into the housing and rotation of the rotor causes the portion of the fibrous stock that will pass through the screen to do so. Any fibrous stock that passes through the screen is discharged from the housing. The rotor includes a cylindrical body member having a plurality of blade members attached thereto and spaced substantially evenly about the circumference of the body member and radiating outwardly therefrom. Each blade member has a leading edge and a trailing edge with the leading edge spaced farther from the body member than the trailing edge.

REFERENCES:
patent: 987657 (1911-03-01), Wagner
patent: 1973864 (1934-09-01), Biffar
patent: 2678732 (1954-05-01), Banks
patent: 2796809 (1957-06-01), Sprau
patent: 3145165 (1964-08-01), Sandison
patent: 3245535 (1966-04-01), Cowan
patent: 3367506 (1965-06-01), Rosaen
patent: 3637077 (1972-01-01), Cowan
patent: 3713536 (1973-01-01), Hooper
patent: 3785495 (1974-01-01), Nolz
patent: 3914172 (1975-10-01), McGuik

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