Method for coating surfaces of a powdered material by directing

Details Method for coating surfaces of a powdered material by directing Method for coating surfaces of a powdered material by directing

1990-09-10

1993-02-23

Lusignan, Michael

Coating processes

Particles, flakes, or granules coated or encapsulated

118303, 137808, 2394273, 239DIG7, 427421, B05D 700

Patent

active

051888688

ABSTRACT:
A method for coating surfaces of a powdered material includes forming a Coanda flow of a Coanda spiral flow of a powdered material by flowing the powdered material through a Coanda spiral flow forming passage or a Coanda flow forming passage by introducing a pressurized gas into the flow forming passage through a Coanda slit therearound, supplying the thus formed Coanda flow or Coanda spiral flow of powdered material into a further Coanda spiral flow forming passage, and atomizing a liquid coating material with a liquid gas and then directing the atomized liquid coating material into the Coanda flow or Coanda spiral flow of powdered material through a Coanda slit in the further Coanda spiral flow forming passage.

REFERENCES:
patent: 4684296 (1987-08-01), Horii et al.
patent: 4721126 (1988-01-01), Horii
patent: 4762148 (1988-08-01), Marui et al.
patent: 4969481 (1990-11-01), Horii

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