Apparatus for automatically cleaning extrusion screens in juice finishing machines and the like
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United States of America Patent
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-
Nov 10, 1987
Issued Date -
N/A
app pub date -
Nov 27, 1985
filing date -
Jun 21, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus are disclosed for automatically cleaning extrusion screens in finishing machines of a type having a generally cylindrical perforated screen arranged in a housing, juice or the like laden with solids being introduced into the interior of the screen and urged against the screen by a screw element, paddle assembly, or the like to cause the juice to flow through the screen with the solids being retained on the screen. The cleaning method and apparatus comprise a cleaning unit with a plurality of spray nozzles arranged about the screen, the cleaning unit being moved back and forth along the screen by a reversing motor additionally controlled by suitable limit switches. The method and apparatus of the invention are preferably adapted for causing relatively increased cleaning action adjacent a solids outlet end of the screen to better remove larger amounts of juice solids or pomace deposited on that portion of the screen.
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