Patent ID: 8181804
Filing Date: 2012-05-22
Classification: B65D,Y10S,Y10T

Abstract:
1. A blow-molded plastic container having a longitudinal axis comprising: an upper portion; a base portion having a lower portion with an interior surface and an underside surface, the interior surface and the underside surface being opposite each other, the lower portion also including a center pushup that extends upward and inward from a surrounding area of the interior surface, the longitudinal axis extending through the center pushup; a body portion extending from said upper portion to said base portion, said upper portion, said body portion, and said interior surface of the lower portion cooperating to define a receptacle chamber within said container into which product can be filled; and a flexible standing ring extending downward from the underside surface of the lower portion, the flexible standing ring separated at a radial distance from said longitudinal axis, the flexible standing ring being articulated relative to the lower portion in response to internal vacuum forces or external loading forces, said flexible standing ring comprising: