Delivery device, methods of manufacture thereof and articles comprising the same
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United States of America Patent
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May 1, 2018
Issued Date -
N/A
app pub date -
Dec 11, 2014
filing date -
Jan 17, 2014
priority date (Note) -
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Abstract
Disclosed herein is a delivery device comprising a chamber; a gas inlet; a gas outlet; and a dip tube contained within the chamber and having an upper portion and a lower portion, the upper portion of the dip tube being in fluid communication with the gas inlet and being operative to permit the entry of a carrier gas; the lower portion of the dip tube extending into the chamber, the lower portion of the dip tube terminating in an outlet end; and a sleeve; where the sleeve has a first end and a second end; the first end being in an interference fit with the lower portion of the dip tube; and where the sleeve vibrates upon being subjected to a disturbance.
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