Plastic beer keg
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United States of America Patent
Stats
-
Jun 6, 2017
Issued Date -
N/A
app pub date -
Jun 23, 2015
filing date -
Jun 23, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A beer keg assembly includes a liner or bottle having a body portion and a neck portion. A valve assembly is in the neck portion of the liner. The valve assembly includes an inner retainer portion having an inner annular surface formed on a portion of reduced diameter. A cap is secured to the inner retainer portion. At least one spring imparting force between the cap and the inner annular surface. The at least one spring may include an inner spring biasing a piston and a port against one another. The at least one spring may further include an outer spring, wherein the inner spring and the outer spring are both captured between the inner annular surface and the cap. A pressure relief valve may be disposed in a fluid path leading through a wall of the inner retainer portion.
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Family
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