Venting system for beverage containers
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United States of America Patent
Stats
-
Mar 20, 1990
Grant Date -
N/A
app pub date -
Jun 12, 1989
filing date -
Jun 12, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A venting structure (14) for an enclosed fluid container (10) includes a tubular shank (16) projecting through an aperture in the cover (11) of the container (10). A baffle wall (26) closes the upper end of the shank (16) and has a central vent hole (27) therein. A cap (30) is removeably secured to the upper portion of the shank (16) and has interior walls forming an expansion chamber (34) with a slotted bottom wall. The upper portion of the shank (16) is provided with exterior longitudinal channels (29) which extend below the bottom of the cap so that the expansion chamber may communicate with the atmosphere.
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