Coating device with an allocated cleansing device
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United States of America Patent
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-
Jun 24, 1986
Grant Date -
N/A
app pub date -
Dec 20, 1984
filing date -
Apr 27, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a pivoted drum, e.g., a dragee coating drum for coating granular surfaces, a pivoted nozzle carrier (26b) projects along the drum axis, while forming an annular chamber (57), from which extends a multitude of similarly arranged elbows (64) with spray nozzles (65). A casing tube (22) surrounding the nozzle arrangement forms a lid (73) which, when in operating position, is opened by the spray nozzles, so that a spray can be sprayed into the coating chamber outside the casing tube (22). When in cleansing position (65'), the spraying device is completely sealed off to the outside and can be thoroughly rinsed with a cleansing agent which is drained off inside the casing tube (22) by the gutter (69) and the drain pipe (71). The cleansing processes can then be executed during the short intervals between coating, without interrupting the overall program.
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