Process for coating granular materials

Details Process for coating granular materials Process for coating granular materials

1975-10-10

1977-07-05

Smith, Ronald H.

Coating processes

Measuring, testing, or indicating

427213, 427212, 118 7, B05D 100

Patent

active

040341267

ABSTRACT:
A process for coating granular materials particularly applicable in coating granular materials each having a particle size within the range of 100 to 1,000 microns, wherein supply of a coating or binding liquid is effected in response to a specific measured electro-resistance of a fluidized means of the granular materials while supply of a coating powder is continuously effected in a predetermined variable rate. To this end, at least one electrode cooperates with a portion of the wall forming a coating apparatus to detect the specific electro-resistance which is in turn compared with a predetermined value in a comparison circuit.

REFERENCES:
patent: 2016920 (1935-10-01), Fisher et al.
patent: 3141792 (1964-07-01), Lachman et al.
patent: 3347701 (1967-10-01), Yamagishi et al.
patent: 3671296 (1972-06-01), Funakoshi et al.
patent: 3711319 (1973-01-01), Irikura et al.

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