Plastic beer keg
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United States of America Patent
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Jun 2, 2015
Grant Date -
Jul 19, 2012
app pub date -
Nov 9, 2011
filing date -
Nov 9, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A plastic keg includes a liner including a neck portion and a body portion. A lid having an opening is disposed at least partially over the liner. A retainer is secured to the neck portion of the liner and aligned with the opening in the lid, the retainer including external threads. A locking ring having internal threads is secured to the external threads of the retainer. The internal threads of the locking ring and the external threads of the retainer include a ratcheting mechanism permitting attachment of the locking ring to the retainer and inhibiting removal of the locking ring from the retainer. A beer keg valve assembly includes a port having a head portion having a convex upper surface and at least one leg extending downwardly from a lower surface. The leg includes a stop surface projecting radially outward further than the head portion.
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