Patent ID: 6234337
Filing Date: 2001-05-22
Classification: B21D,B65D

Abstract:
A safe container end closure positionable on a container comprising:an annular central lid portion;an annular peripheral lid portion;a score line joining the annular central lid portion to the annular peripheral lid portion to permit removal of the central lid portion from the peripheral lid portion, said score line being a V-shaped score line having a rounded nose that possesses a radius;an opening tab secured to the central lid portion for pivoting movement relative to the central lid portion, said opening tab having a nose positioned adjacent the score line so that upon pivoting of the opening tab the nose of the opening tab causes a portion of the score line to sever;the central lid portion progressively defining in cross-section, from the score line, an outwardly opening intermediate fold and an inwardly opening bottom fold, the bottom fold extending radially outwardly beyond the score line so that when the central lid portion is separated from the peripheral lid portion at the score line the central lid portion includes a severed edge that is positioned radially inwardly of a radially outermost portion of the bottom fold.