Patent ID: 7922025

Claim:
A full open type of convenience closure which is adapted for sealing an end of a can, comprising: an end panel; a peripheral score defined in said end panel, said peripheral score defining fixed and removable portions of said end panel; a tab having a nose portion for exerting a downward force on said end panel in an area that is proximate to said peripheral score; a rivet formation for securing said tab to said end panel; a mustache score defined in said end panel, said mustache score including a central portion that is positioned radially inwardly on said end panel relative to said rivet formation and is curved about said rivet formation and first and second end portions that are curved away from said rivet formation; wherein most of the total length of the first and second end portions are substantially curved away from a nearest portion of said peripheral score, wherein the first and second end portions comprise a majority of the mustache score; and further wherein the mustache score is substantially arcuate throughout; a flex line score defined in said end panel adjacent to said rivet formation and a pair of break line scores, each of said break line scores are positioned between said mustache score and said flex line score.