Cap/closure having a venting mechanism for use with centrifuge c

Details Cap/closure having a venting mechanism for use with centrifuge c Cap/closure having a venting mechanism for use with centrifuge c

1997-10-02

1999-05-04

Cronin, Stephen K.

Bottles and jars

Closures

With separate applied fastener to hold closure in closed...

215307, 215308, 215DIG3, 604319, 494 16, B04B 1500, B65D 5118, B65D 5116

Patent

active

058993495

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.

REFERENCES:
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patent: 5395001 (1995-03-01), Moore
patent: 5458252 (1995-10-01), Logel
patent: 5499735 (1996-03-01), Chen
patent: 5732837 (1998-03-01), Jones

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