发明名称 TOOL REMOVALABLE TAMPER INDICATING CLOSURE
摘要 <p>TOOL REMOVABLE TAMPER INDICATING CLOSURE A tamper-indicating closure comprising disc-shaped top with an upper skirt extending downwardly from the top; an annular upper bead around the inner surface of the upper skirt; a lower skirt proximate to and in center alignment with the upper skirt, the upper skirt being disposed between the top and the lower skirt; an annular retention bead around the inner surface of the lower skirt; breakable bridge means between the skirts as the sole connection between the skirts; and a tool aperture between the skirts adapted to accept a tool means for breaking the bridge means so as to part the skirts.</p>
申请公布号 CA1258252(A) 申请公布日期 1989.08.08
申请号 CA19850485442 申请日期 1985.06.26
申请人 FIRST BRANDS CORPORATION 发明人 O'CONNOR, MICHAEL C.;HANN, GEORGE W.
分类号 B65D41/48;(IPC1-7):B65D55/02 主分类号 B65D41/48
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