Patent ID: 6968966

Claim:
A tamper-indicating closure of integrally molded plastic construction, which comprises: a base wall having a peripheral skirt with internal means for securing the closure to a container, a tamper-indicating band connected by frangible means to an edge of said skirt, and a stop flange extending radially inwardly from an edge of said band remote from said skirt and at an angle axially toward said base wall, said stop flange comprising a circumferentially continuous base extending from said band to a free edge of said flange and being of constant cross section circumferentially entirely around said flange, said base having a thickness that increases axially and radially of said flange, and a plurality of circumferentially spaced lugs integral with and extending axially along said base and radially inwardly from said base, each of said lugs being of constant cross section circumferentially of said flange, said lugs radially thickening uniformly from zero thickness adjacent to said band to a maximum thickness at said free edge of said flange and being of identical circumferential width, circumferential spacing between said lugs being uniform around said flange, and said circumferential width of said lugs being less than said circumferential spacing between said lugs.