Molded container with degassing valve

Details Molded container with degassing valve Molded container with degassing valve

2008-05-21

2011-10-18

Yu, Mickey (Department: 3728)

Receptacles

Container attachment or adjunct

Pressure relief means

C220S913000, C220S745000, C220S089100, C220SDIG027

Reexamination Certificate

active

08038023

ABSTRACT:
A molded plastic container includes a side wall having a valve seat feature molded into the side wall, the valve seat feature comprising a central recess in the outer surface of the side wall, and an annular valve seat surrounding the central recess. The container has one or more holes extending through a portion of the side wall bounded by the annular valve seat into the interior of the container for venting gas from the container. A label is affixed against the outer surface of the side wall and is under tension, the tension of the label causing the label to firmly abut the annular valve seat. Excess pressure of gas inside the container is able to momentarily lift the label away from the annular valve seat to establish a flow path between the label and the annular valve seat such that gas under pressure is vented from the container.

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