Cap/closure having a venting mechanism for use with centrifuge containers
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United States of America Patent
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-
May 4, 1999
Grant Date -
N/A
app pub date -
Oct 2, 1997
filing date -
Oct 2, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A cap assembly for use with a centrifuge container includes a stopper (plug) member to provide a fluid-tight seal of an open end of the container. The stopper member includes a channel therethrough. A lid receives the combination of a stopper fitted into the open end of the container. Depending portions on the underside of the lid press upon the stopper to ensure a reliable seal of the container. In addition, the depending portions are adapted to close off an opening of the channel when the lid and stopper are assembled. Removal of the lid opens the channel allowing air to flow into the container, and in this way any vacuum that develops in the container during a centrifugation run is released by such action.
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