Patent ID: 7100789

Claim:
A container end closure adapted for interconnection to a container body, comprising: a circular end wall adapted for interconnection to a side wall of said container body; a chuck wall comprising an upper end integrally interconnected to said circular end wall and a lower end extending downwardly at an angle of at least about 8 degrees as measured from a vertical plane, said lower end having an outwardly extending arch having a radius of curvature of between about 0.020 and 0.220 inches with a center point positioned below said circular end wall and an upper chuck wall portion having a radius of curvature between about 0.070–0.090 inches; a countersink interconnected to a lower portion of said chuck wall and having a radius of curvature less than about 0.015 inches, wherein said lower end of said chuck wall extends downwardly proximate to a lower portion of said countersink; an inner panel wall interconnected to said countersink and extending upwardly at an angle of between about 0 degrees and 15 degrees as measured from a substantially vertical plane; and a central panel interconnected to an upper end of said inner panel wall and raised above a lowermost portion of said countersink at least about 0.080 inches wherein said central panel is positioned above said lower end of said chuck wall.