Classifying – separating – and assorting solids – Sifting – Drum sifters
Patent
1974-08-14
1976-03-02
Tollberg, Stanley H.
Classifying, separating, and assorting solids
Sifting
Drum sifters
B07B 124
Patent
active
039416895
ABSTRACT:
An apparatus is presented for effectively sorting and disposing of waste. Waste is sorted into three or more groups enabling post treatment or reutilization of the sorted waste with less possibility of environmental contamination. The apparatus comprises mainly a drum having a plurality of screen means and a plurality of rotatable reducing means, each of the reducing means facing a corresponding screen means, respectively and being driven at a properly selected speed depending on the constituents of the waste and the mesh size of the opposing screen.
REFERENCES:
patent: 1677862 (1928-07-01), Herrold
patent: 2846153 (1958-08-01), Krogh
patent: 3011220 (1961-12-01), Keller
patent: 3224688 (1965-12-01), Beiter
patent: 3391785 (1968-07-01), Hosokawa
patent: 3506201 (1970-04-01), Engels
Hirayama Yoshio
Ito Kanichi
Ebara Manufacturing Co., Ltd.
Nilles James E.
Tollberg Stanley H.
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