Vented fitment for flexible pouch
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United States of America Patent
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Mar 20, 2018
Grant Date -
Aug 14, 2014
app pub date -
Feb 12, 2013
filing date -
Feb 12, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An insert assembly for a fitment used with a pouch containing a liquid product producing an off-gas is provided. The assembly includes a vented insert for use with the vented fitment allowing the off-gas to pass there through. A carrier is configured to be attached to the vented insert and includes a liquid impermeable membrane attach to the carrier and fluid coupled to the fitment and insert to allow gas from the product to pass there through. The membrane, which can comprise an EPTFE material allows the gas to pass through, while preventing the liquid product from passing through a wall of the pouch. The insert assembly can be selectively opened and closed to allow or prevent the off-gas produced by the product to pass through the assembly as needed to reduce the pressure within the pouch or container.
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