Patent ID: 7165696
Filing Date: 2007-01-23
Classification: B65D,Y10S

Abstract:
1. A stay-on-tab container closure comprising: a generally circular center panel formed from a sheet material; said center panel having upper and lower surfaces; frangible score formed on said upper surface of said center panel; said score, when viewed from above, having a curvilinear bight portion and two end portions disposed at the ends of said bight portion in spaced-apart relation to one another; said bight portion defining most of the periphery of a downwardly displaceable tear panel; said end portions defining there between a hinge portion which permanently attaches said tear panel to a fixed portion of said center panel; said tear panel being generally planar and having no visually perceptible contour features projecting upward, relative to said generally planar tear panel; a rivet disposed on said fixed portion of said center panel proximate said hinge portion; and an opening tab hingedly secured to said rivet.