Method and apparatus for powder surface treating

Details Method and apparatus for powder surface treating Method and apparatus for powder surface treating

1985-09-13

1987-08-11

Beck, Shrive P.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

118600, 118DIG5, B05C 1902

Patent

active

046854193

ABSTRACT:
A method and apparatus for powder surface treatment by turning the powder into a fluidized layer while passing gas made, at least partially, of a reactive gas, through the powder, to improve dispersion stability of powder pigments.
Since the powder is turned into the fluidized layer by gas made, at least partially, of reactive gas, powder particles are put in close and uniform contact with the reactive gas, ensuring full surface treatment of the powder.

REFERENCES:
patent: 3916826 (1975-11-01), Knudsen
patent: 4008685 (1977-02-01), Pierce
patent: 4011832 (1977-03-01), Westervelt
patent: 4073265 (1978-02-01), Walling et al.

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