Patent
1973-08-31
1976-02-24
Blum, Daniel
B01F 906
Patent
active
039401189
ABSTRACT:
The invention concerns a blade lifting member intended for installation inside a revolving drum and comprises a mounting plate for the scoop blade (lifting member) attached to the inner wall of the drum end of a curved blade shell extending from the mounting plate, the free rim of said blade forming a scoop edge pointing in the direction of rotation of the drum.
REFERENCES:
patent: 924051 (1909-06-01), Foster
patent: 1220130 (1917-03-01), Jackson
patent: 1501566 (1924-07-01), Lundberg
patent: 1910263 (1933-05-01), Seyffert
patent: 2504378 (1950-04-01), Bell
patent: 2553464 (1951-05-01), McNeill
patent: 2815940 (1957-12-01), Madsen
Heinemann Otto
Philipp Rainer
Blum Daniel
Cantor Alan
Polysius AG
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