Patent ID: 8490825
Filing Date: 2013-07-23
Classification: B65D

Abstract:
1. A lid for a can body comprising: a center panel having a central axis that is perpendicular to a diameter of an outer rim of the lid, wherein the center panel has a height that varies as a function of radial distance relative from the central axis; a first step portion extending radially outward from the center panel, the first step portion having negative concavity and having a radius of curvature less than about 0.015 inches; a second step portion extending radially outward from the first step portion, the second step portion having a positive concavity and having a radius of curvature less than about 0.015 inches; an angled inner wall extending radially outward from the second step portion having an angle from a line extending through each end of the angled inner wall relative to the central axis of less than about 50°; an annular countersink portion extending radially outward from the angled inner wall;