Apparatus and method allowing gas flowing into and/or out of container
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United States of America Patent
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Oct 12, 2004
Grant Date -
Aug 21, 2003
app pub date -
Feb 15, 2002
filing date -
Feb 15, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A container assembly comprises a container having a sealing surface, and a cap having a sealing surface. The sealing surface of the container, the cap, or both is prepared by either being made of a coarse texture or polished so that the sealing surface of the container and the cap may cooperate with one another to form a seal, yet allow gas to flow into or out of the container assembly, as required.
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