Patent ID: 9302839
Filing Date: 2016-04-05
CPC Classification: B65D

Claim Text:
1. A plastic hot fill container, comprising: a sidewall having at least one vacuum panel defined therein, said at least one vacuum panel being defined by a vacuum panel area of said sidewall that is constructed and arranged to flex inwardly in order to accommodate volumetric shrinkage that may occur within the container as a result of the hot fill process, and wherein at least a portion of said vacuum panel area of said sidewall is formed as a plurality of undulations, said undulations having a horizontal component and providing an increased surface area of said vacuum panel area of said sidewall relative to what a flat surface would provide, wherein the amount of volumetric shrinkage that may be accommodated through inward deflection of said vacuum panel area of said sidewall is increased relative to a flat surface would provide.