Plastic container with flexible base portion
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United States of America Patent
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May 12, 2020
Grant Date -
Oct 25, 2018
app pub date -
Jun 29, 2018
filing date -
May 7, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Plastic container (110), including a side wall (120) and a flexible portion (132) of a base (130). The flexible portion of the base deflects when the sealed plastic container experiences a differential pressure. The deflection of the flexible portion of the base acts to change the internal volume of the container and thereby reduce the differential pressure. The container is a retortable container. The container may be injection-molded with inner and outer plastic layers (460,462) and a core layer (464) between the inner and outer plastic layers.
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