Spiral gas-solids contact apparatus
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United States of America Patent
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Mar 17, 2015
Grant Date -
Mar 7, 2013
app pub date -
Nov 2, 2012
filing date -
Oct 9, 2007
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Abstract
The invention is directed to apparatus and methods for contacting gas and solids in the manufacture of edibles, and particularly in connection with coating edible particulate solids. A drum is positioned around an inner tube so that an annular space is defined between the drum and the tube. A rotatable spiral element defines a gas pathway in the annular space, such that rotation of the spiral pushes particulate solids through the drum while the solids are contacted with gas in the annular space.
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