Importance

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Abstract

A plastic container is disclosed that includes a sidewall portion and a base portion. In embodiments, the base portion includes a flexible base portion configured for a first position, a second position, and a third position in response to internal forces associated with filling and cooling of container contents. The first position is a position following formation or molding, and prior to filling; the second position is a position during or following filling of contents at an elevated temperature, but before cooling or significant cooling of the contents, the second position is vertically lower than the first position; and the third position is a position after cooling of contents and vacuum forces associated with the contents have been substantially addressed, the third position is vertically higher than the first position.

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First Claim