Patent ID: 6942116
Filing Date: 2005-09-13
Classification: B65D

Abstract:
1. A plastic container having a base portion adapted for vacuum absorption, said container comprising: an upper portion having a mouth defining an opening into said container, an elongated neck extending from said upper portion, a body portion extending from said elongated neck to a base, said base closing off an end of said container; said upper portion, said elongated neck, said body portion and said base cooperating to define a receptacle chamber within said container into which product can be filled; said base including a chime extending from said body portion to a contact ring which defines a surface upon which said container is supported, said base further including a central portion defined in at least part by a pushup located on a longitudinal axis of said container and an inversion ring circumscribing said pushup, said inversion ring defining an inwardly domed shaped portion when said container is filled and sealed, said inwardly domed shaped portion defined by a surface which is sloped toward said longitudinal axis of said container at an angle of about 15° relative to a support surface, said pushup and said inversion ring being moveable to accommodate vacuum forces generated within said container.