Classifying – separating – and assorting solids – Sifting – Drum sifters
Patent
1979-06-27
1981-01-27
Cuchlinski, Jr., William A.
Classifying, separating, and assorting solids
Sifting
Drum sifters
2103801, B04B 718
Patent
active
042473926
ABSTRACT:
A screen for vibrating centrifugal separation machines, which screen is made in the form of a solid of revolution and comprises a sifting part and a non-sifting part. The generatrix of the sifting part has a stepped shape, each step forming a solid of revolution in the form of a hollow conic frustum whose major base faces opposite to the movement of the layer of the loose material under treatment. This construction substantially increases the separating properties of the screen in using it in various vibrating centrifugal separation machines.
REFERENCES:
patent: 1961226 (1934-06-01), Keatley et al.
patent: 2802574 (1957-08-01), Schweppe
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