Coating apparatus – Edible base or coating type – Tumbling particulate work
Patent
1979-04-30
1981-01-20
McIntosh, John P.
Coating apparatus
Edible base or coating type
Tumbling particulate work
118 20, 118 24, B05C 500
Patent
active
042455804
ABSTRACT:
In a device for coating granular solids of the type having a double-cone rotary drum which is perforated so as to permit the flow of air or gas into and out of the rotary drum and which is tiltable about the axis at right angles of the axis of rotation of the rotary drum so that in the case of the discharge of product solids, the discharge opening of the rotary drum may be directed downwards, axially annular insulating covers are provided which ensure the effective thermal insulation of the rotary drum when the hot air or gas is blown thereinto. The present invention further provides means which are very effective in gas-tightly sealing the gas supply and exhaust passages defined in the duct around the rotary drum and the annular covers attached thereon so as to provide the air thermal insulation layers. In addition the present invention provides a mechanism which may suitably adjust the height of the rotary drum and more particularly the charging and discharging opening thereof so that the charging of process solids into the rotary drum and the discharge of product solids therefrom may be much facilitated.
REFERENCES:
patent: 2652805 (1953-09-01), D'Angelo
patent: 3357398 (1967-12-01), Gross
McIntosh John P.
Ohkawara Mfg. Co., Ltd.
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