Plastic container having an inverted active cage
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United States of America Patent
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Aug 24, 2004
Grant Date -
Jan 23, 2003
app pub date -
Jul 17, 2002
filing date -
Jul 17, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A container having an inverted active cage generally includes an enclosed base portion, a body portion extending upwardly from the base portion, and a top portion with a finish extending upwardly from the body portion. The body portion further includes a central longitudinal axis, a periphery, a plurality of active surfaces, and a network of pillars. Unlike the prior art, each of the plurality of active surfaces is outwardly displaced with respect to the longitudinal axis, while each of the network of pillars is inwardly displaced with respect to the longitudinal axis. The plurality of active surfaces, together with the network of pillars, are spaced about the periphery of the container in order to accommodate vacuum-induced volumetric shrinkage of the container resulting from a hot-filling, capping and cooling thereof.
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