Classifying – separating – and assorting solids – Sifting – Drum sifters
Patent
1994-09-16
1996-11-05
Terrell, William E.
Classifying, separating, and assorting solids
Sifting
Drum sifters
209299, 209300, 209683, B07B 122
Patent
active
055707904
ABSTRACT:
A strainer comprises a housing. A main screen is disposed within the housing. The fore screen is disposed within the housing and includes a first section and a second section. A main beater is connected to the second section of the fore screen. The fore screen and the main beater are moveable with respect to the main screen. An auxiliary beater is connected to the second section of the fore screen. The auxiliary beater is moveable with respect to the first section of the fore screen.
REFERENCES:
patent: 1973864 (1934-09-01), Biffar
patent: 3394808 (1968-07-01), Thompson
patent: 3756406 (1973-09-01), Khan
patent: 4115257 (1978-09-01), Mugler
patent: 4202759 (1980-05-01), Krolopp
patent: 4582202 (1986-04-01), Stone et al.
patent: 5052874 (1991-10-01), Johanson
Rumpf Wolfhard
Schwarzkopf Werner
Dietrich Reimelt KG
Nguyen Tuan
Terrell William E.
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