Refuge shelter, coupler and method
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United States of America Patent
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Jan 12, 2021
Grant Date -
Oct 9, 2014
app pub date -
Apr 1, 2014
filing date -
Apr 3, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A refuge shelter includes a container. The shelter includes a tent that is disposed in the container in an undeployed state. The tent includes an inflatable support structure which is inflatable from an undeployed state in the container to a deployed state, and a seal which seals the tent to the container in a deployed state. The support structure has a plurality of hoses interconnected by couplers. The hoses have an inside diameter of less than 5 inches. A gas flow apparatus. A refuge shelter for miners in a mine includes a container and a tent that is disposed in the container. The tent has a test support to which a sample of the external environment can be obtained from inside the tent when the tent is deployed. A method for providing a refuge chamber for miners in a mine.
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