Apparatus to provide dry ice in different particle sizes to an airstream for cleaning of surfaces
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United States of America Patent
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Nov 30, 2004
Grant Date -
Jun 24, 2004
app pub date -
Dec 10, 2003
filing date -
Sep 28, 2001
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Abstract
Apparatus and method for producing and metering dry ice pellets and particles selectively from the same apparatus with out modification, by appropriate reversal of a production wheel and accompanying selection of dry ice in the form of block or of pellets for a supply to the production wheel.
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