Patent ID: 7909196

Claim:
A non-detachable tab for a can end including a center panel having a product side, a public side, a rivet, and a displaceable tear panel in the center panel at least substantially defined by a frangible score and a non frangible hinge segment, a central axis extending through the rivet and substantially bisecting the displaceable tear panel, and a curl defining the outer perimeter of the can end, the non-detachable tab staked to the center panel by the rivet, the non-detachable tab comprising: a nose end extending over a portion of the tear panel and aligned with the central axis in a position to begin a can end opening sequence; a lift end opposite the nose end and aligned with the central axis in the position to begin the can end opening sequence; and a central webbing between the nose and lift end, the webbing having a hinge region and a rivet island surrounding the rivet, the rivet island being at least partially surrounded by a first void region to provide a first exposed area of the center panel, a second void region to provide a second exposed area of the center panel is separated from the first void region by a narrow strip of the central webbing, the narrow strip defined by a region between a widest segment of the second void region and a widest segment of the first void region, the second void region defined by a curled edge of the narrow strip, a portion of the curled edge of the narrow strip having a greater radius of curvature than remaining portions of the curled edge in the narrow strip and extending downwardly below the rivet island and approaching the public side of the center wherein a height of the lift end of the tab above the public side of the center panel is maintained at a predetermined level above the center panel and below the curl defining the outer perimeter of the can end.