Purging system and purging method for the interior of a portable type hermetically sealed container
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United States of America Patent
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Apr 22, 2008
Grant Date -
Mar 31, 2005
app pub date -
Sep 24, 2004
filing date -
Sep 25, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A fine pressure fluctuation at short time intervals occurring when a portable type hermetically sealed container is purged is reduced to thereby prevent the deterioration or the like of a seal member due to the pressure fluctuation. In order to achieve this object, a gas flow rate regulating apparatus is disposed in a gas supplying system in a purging system, and pressure in the portable type hermetically sealed container during purge is measured and the result thereof is fed back to thereby control the flow rate of a supplied gas.
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