Powder dispensing apparatus

Coating apparatus – Control means responsive to a randomly occurring sensed... – Responsive to attribute – absence or presence of work

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118 24, 118303, B05C 1900

Patent

active

042704863

ABSTRACT:
A dispensing apparatus for dispensing metered quantities of a particulated material such as, for example, seasoning materials including salt, pepper or the like, in which the particulated material is discharged in the form of a substantially uniform curtainous stream and the articles or foodstuffs are transferred through the curtainous stream, a plurality of times to assure substantially uniform coating of the surfaces thereof. The apparatus includes slinger means for dispersing and propelling the articles through an upper section of the curtainous stream from the upstream to downstream side thereof and deflector means for intercepting and redirecting the articles back through the curtainous stream through an intermediate section thereof to the upstream side thereof. In accordance with a preferred embodiment, a conveyor is provided for receiving the articles passing through the intermediate section of the curtainous stream and transferring the articles back through the curtainous stream from the upstream to downstream side thereof, effecting multiple contact with the particulated material being dispensed. In accordance with a further preferred embodiment, the curtainous stream of particulated material is achieved by employing and endless foraminous flexible belt incorporating a plurality of cavities and supply means which fill the cavities with the particulated material to be dispensed. The particulated material in the cavities is gravitationally discharged at a position downstream from the supply means in the form of a curtainous stream.

REFERENCES:
patent: 874570 (1907-12-01), Cairncross
patent: 1643143 (1927-09-01), Wilcox
patent: 1910536 (1933-05-01), Guggenheim
patent: 2119910 (1938-06-01), Ferry
patent: 3073719 (1963-01-01), Albright, Jr. et al.
patent: 3138482 (1964-06-01), Gehl
patent: 3703382 (1972-11-01), Harkey
patent: 3885519 (1975-05-01), Orlowske

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