POLYMERIC PACKAGE WITH RESEALABLE CLOSURE AND VALVE, AND METHODS
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United States of America Patent
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app pub date -
Apr 23, 2008
filing date -
Oct 24, 2005
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Abandoned
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Abstract
A reclosable package, formed from at least one polymeric sheet, having a closure and a vacuum valve. The vacuum valve comprises a port, the port being aligned with an aperture in the first sidewall of the package. The vacuum valve allows gas to be removed from inside the package via a vacuum pump. A gas-impermeable layer, overlaying at least one of the aperture and the port, restricts gaseous communication between the vacuum valve and the inside of the package.
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