Patent ID: 8991628
Filing Date: 2015-03-31
Classification: B65D

Abstract:
1. A base for a hot-fill container comprising: an inner lip located radially from a longitudinal axis of the base; a concave smooth surface smoothly curving from the inner lip towards the longitudinal axis; a plurality of inverted ribs formed in the concave smooth surface and extending from the inner lip towards the longitudinal axis, wherein each inverted rib includes an outer apex located proximate to the inner lip and a bottom rib portion that smoothly curves from the outer apex towards the longitudinal axis; and rib connectors located between the plurality of inverted ribs, wherein each of the rib connectors smoothly curves towards the longitudinal axis, and further wherein each of the rib connectors has a radius of curvature smaller than a radius of curvature of the bottom rib portion.