Dispensing – With cleaning means
Patent
1986-04-28
1988-11-29
Huppert, Michael S.
Dispensing
With cleaning means
222326, 222370, B67D 540
Patent
active
047875356
ABSTRACT:
The apparatus for the dosed delivery of a granular solid material to a reaction container possessing a delivery inlet possesses a dosing device comprising a piston-cylinder unit which opens or discharges into the base or floor of a transfer chamber. The solid material which exits or leaves the dosing device is conveyed in the transfer chamber by means of a rotating conveyor component to a funnel whose inlet opening is located in the base or floor of the transfer chamber. The conveyor elements or cavities of the conveyor component extend over the entire cross section of the inner volume of the transfer chamber such that the solid material is transferred without loss from the dosing device to the funnel which discharges into the delivery inlet of the reaction container and the conveyor component seals the gas volume above the funnel.
REFERENCES:
patent: 1969385 (1934-08-01), Raemer
patent: 2151511 (1939-03-01), Hagen
patent: 3554406 (1971-01-01), Kleysteuber
patent: 3995777 (1976-12-01), Diez et al.
patent: 4092046 (1978-05-01), Bombelli et al.
patent: 4171756 (1979-10-01), Jones-Fenleigh
patent: 4417802 (1983-11-01), Forbes II
Verpackungs-Rundschau, Jun. 1984, pp. 910-922.
Contraves AG
Huppert Michael S.
Kleeman Werner W.
Sandoz AG
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