Apparatus for distributing powders on a support in a predetermined pattern
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United States of America Patent
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Feb 20, 2007
Grant Date -
Jan 5, 2006
app pub date -
Sep 30, 2002
filing date -
Sep 30, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for distributing powders on a support in a predetermined pattern, includes: a belt conveyor (2) for transporting the support (3); a head for applying the powders (1), located above the conveyor (2), which head (1) includes a ring-wound closed continuous belt (4) exhibiting a plurality of perforations arranged according to a predetermined pattern, the perforations being of a size which enables passage of predetermined quantities of powders; a mechanism for controlling a supply and delivery of powders through the perforations and for keeping the continuous belt (4) clean. The head also includes a mechanism for controlling a movement of the continuous belt (4) in synchrony with a movement of the conveyor (2).
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