Apparatus for applying electrostatic powders on manufactured articles in general
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United States of America Patent
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Issued Date -
Sep 24, 2009
app pub date -
Mar 16, 2009
filing date -
Mar 18, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus for applying electrostatic powders on manufactured articles, comprising at least one dispensing device adapted to dispense gas solid particles mixture having an electrostatic charge, and connected to at least one duct arranged proximate to the surface to be treated and defining a channel for conveying the mixture. The duct has laterally, along its longitudinal extension, at least one passage opening directed toward the surface to be treated. A partition is arranged with at least one of its portions substantially at the passage opening and is permeable to the powder particles. The passage opening and the partition are crossed by force lines of a first electrical field adapted to cause transfer of the powder particles transiting along the conveyance channel on the surface to be treated through the passage opening and the partition.
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