Patent ID: 7464826
Filing Date: 2008-12-16
Classification: B29C,B65D

Abstract:
1. A base structure for a container having a sidewall, the base structure comprising: a support heel defining a touch point for contact with a horizontal surface, the support heel having an outer portion and an inner portion, the outer portion merging with the container sidewall; a corrugated support flute having corrugations surrounded by the support heel and merging with the inner portion of the support heel; a solid fin extending transverse to and intersecting at least one of the corrugations of the corrugated support flute; wherein the corrugations extend in a first direction and a center of each corrugation defines a midpoint of the base structure in the first direction, and the fin extends in a second direction substantially perpendicular to the first direction and substantially through the center of each corrugation; wherein the fin further comprises: a beam having first and second sides, the second side being opposite and substantially parallel to the first side; and a plurality of protrusions alternatively positioned on the first and second sides of the beam; and wherein at least one pair of adjacent alternatively positioned protrusions overlap.