Lid opening/closing system of an airtight container

Details Lid opening/closing system of an airtight container Lid opening/closing system of an airtight container

2006-11-28

2010-11-30

Huson, Gregory L (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Gas treatment

C141S051000, C141S098000, C206S710000, C414S217000, C414S411000, C414S935000

Reexamination Certificate

active

07841371

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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