Apparatus for non-contact printing of actives onto web materials and articles
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United States of America Patent
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Dec 4, 2018
Grant Date -
May 4, 2017
app pub date -
Oct 27, 2016
filing date -
Oct 30, 2015
priority date (Note) -
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Abstract
An apparatus for providing non-contact application of fluids onto web materials and articles is disclosed. The apparatus comprises a gravure roll having a hollow rotating shell having a plurality of cavities disposed within the outer surface thereof and a stationary cylindrical core having a central bore and a channel disposed therein. A fluid disposed within a respective cavity of the plurality of cavities disposed within the outer surface of the hollow rotating shell is removed from the respective cavity by the positive pressure when the positive pressure is fluidly communicated from the central bore through the channel and into the cavity from the surface of the stationary cylindrical core.
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