Method and apparatus for introducing in continuous a substance in liquid phase into plastics granules
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United States of America Patent
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Apr 12, 2005
Grant Date -
Apr 25, 2002
app pub date -
Jun 28, 2001
filing date -
Dec 29, 1998
priority date (Note) -
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Abstract
A method for continuously introducing a substance in liquid phase into plastics granules comprising: a) feeding a substantially continuous flow of the plastics granules to at least one substantially static spraying chamber, b) spraying the substance in liquid phase onto the plastics granules, c) passing the granules partially or totally coated by the substance in liquid phase by a substantially static mixing means supported in at leas one mixing chamber provided downstream of the spraying chamber, d) submitting the mixed granules to drying for a time sufficient to allow a substantially complete absorption of the substance in liquid phase by the granules.
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