Method and apparatus for coating particulate materials with powd

Details Method and apparatus for coating particulate materials with powd Method and apparatus for coating particulate materials with powd

1985-05-22

1986-10-14

Yeung, George

Food or edible material: processes, compositions, and products

Applying diverse edible particulate solid to coat or...

Suspension of particulate solid in gaseous medium

23313R, 127 21, 264117, 425222, 426295, 426285, 426453, A23C 900, B29C 6700, C05B 1900

Patent

active

046171916

ABSTRACT:
A method and apparatus for introducing a powdery substance to a particulate material contained within a rotary granulator. The powdery material is contained in a feeding hopper that is positioned above a nozzle that is in communication with a source of compressed air. The compressed air issues from the nozzle and draws from the supply funnel powdery material that is conveyed through a conduit that extends into the rotary granulator and is so oriented as to introduce the powdery material to the particulate material as it is being rotated. The compressed air can be introduced in the form of pulses by periodically interrupting the flow of air to thereby control the apportionment of the powdery substance.

REFERENCES:
patent: 3632257 (1972-01-01), Ashizawa
patent: 3966975 (1976-06-01), Hansen et al.
patent: 4062641 (1977-12-01), Hovmand et al.

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