Arrangement for sealing a closed production system
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United States of America Patent
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-
Aug 15, 2000
Grant Date -
N/A
app pub date -
Apr 21, 1997
filing date -
Apr 30, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to an arrangement for sealing a closed chamber in which equipment is to be replaced and especially to a chamber in which equipment is to be replaced while the chamber is to be maintained closed. The arrangement includes a channel filled with a fluid, such as water, and a skirt arranged to extend into the fluid to form the seal. As the skirt extends down into the liquid, a portal space is formed at the opening in the chamber and the opening preferably includes a gate for closing the chamber from the portal space and the outside.
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