Duct and flop-gate construction and method of handling dust or o

Details Duct and flop-gate construction and method of handling dust or o Duct and flop-gate construction and method of handling dust or o

1979-12-26

1981-08-25

Rowland, James L.

Conveyors: fluid current

Fluid current conveyor outlet means

With material separating receptacle

193 31R, 406183, B65G 5356

Patent

active

042856175

ABSTRACT:
A duct and flop-gate construction for handling particulate material and a method of handling dust or other particulate material. The collected material drops down a duct which contains a flop-gate for directing the material to either of two bins. A mild current of air is drawn upwardly through the duct and flop-gate counter to the movement of the material to subject the bins to negative pressure and prevent outward leakage. The same duct serves both to carry material downwardly to the bins and as a means for applying negative pressure to the bins.

REFERENCES:
patent: 304259 (1884-08-01), Brunton
patent: 644855 (1900-03-01), Forster
patent: 824945 (1906-07-01), Miller
patent: 1029532 (1912-06-01), Day
patent: 1048477 (1912-12-01), Allington
patent: 1676969 (1928-07-01), Sutton et al.
patent: 2276805 (1942-03-01), Tolman
patent: 2605076 (1952-07-01), Tanke
patent: 3236565 (1966-02-01), Kester et al.
patent: 3491518 (1970-01-01), Williams

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