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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Apr 9, 2013
Grant Date -
Oct 18, 2012
app pub date -
Jun 21, 2012
filing date -
Nov 30, 2005
priority date (Note) -
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Abstract
A curtain nozzle is located above an opening portion 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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