Lid opening/closing system of an airtight container
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 19, 2013
Grant Date -
Mar 15, 2012
app pub date -
Nov 18, 2011
filing date -
Nov 30, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A curtain nozzle is located above an opening portion (10) in a FIMS. A gas curtain formed of inert gas for closing the opening portion is formed. A cover is so provided as to cover a part of the curtain nozzle so as to prevent peripheral gas around an opening of the curtain nozzle from being involved in the gas curtain of the inert gas emitted from the curtain nozzle.
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