Screening machine

Details Screening machine Screening machine

1995-06-07

1997-01-07

Bollinger, David H.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209672, B07B 1305

Patent

active

055907920

ABSTRACT:
A screening machine including a plurality of rotors adapted such that in a frame the axes of the rotors are arranged parallel to one another from a supply side where objects to be screened including mixed substances different at least in size are supplied from above by a conveyor to discharge side where the remainders after screening are discharged, and such that the rotors are rotated in the same direction by a rotating drive, each rotor further comprises at least two kinds of components, namely, a plurality of large diameter sections and a plurality of small diameter sections alternately disposed in the axial direction of each rotor and arranged in a staggered relation in the feeding direction to define screening gaps having desired dimensions between the large and small diameter sections.

REFERENCES:
patent: 1418899 (1922-06-01), Acken
patent: 2244546 (1941-06-01), Stockdale
patent: 3353947 (1967-11-01), Kramer
patent: 4871073 (1989-10-01), Berry et al.
patent: 5051172 (1991-09-01), Gilmore

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