Plastic container having a deep-set invertible base and related methods
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United States of America Patent
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Jan 31, 2023
Grant Date -
Sep 26, 2019
app pub date -
Apr 1, 2019
filing date -
Aug 31, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
In one embodiment, a method of processing a plastic container having a longitudinal axis is disclosed. The method includes: blow-molding a plastic container having an upper portion including a finish, a sidewall, a lower portion including a base defining a standing surface, and a substantially transversely oriented pressure panel having an inner annular wall and a central push-up portion located in the base, wherein a base mold portion is displaced longitudinally with respect to first and second side mold portions to form the pressure panel set above the standing surface; introducing heated liquid contents into the plastic container with the pressure panel located in an outwardly-inclined position entirely between the standing surface and the upper portion; capping the plastic container; and, moving the pressure panel to an inwardly-inclined position entirely between the standing surface and the upper portion.
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