Container and method of manufacture thereof
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United States of America Patent
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May 12, 2015
Grant Date -
Dec 27, 2012
app pub date -
Jun 22, 2012
filing date -
Jun 22, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A container including a sidewall having a top and bottom ends, a base attached to or proximate the bottom end defining a cavity bounded by the sidewall and by the base, and the base including at least a first portion having a first thickness and a second portion having a second thickness, such that the second thickness is less than the first thickness. A method for controlling deformation in a container including the steps of manufacturing the container as described above, filling the container with a substance, sealing the container at a top end thereof, inverting the container such that the container rests on its top end, allowing the substance to undergo a volume reduction resulting in a vacuum pressure within the container, wherein when subjected to the vacuum pressure, the base deforms at the second portion due to the second thickness being less than the first thickness.
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