| 摘要 |
A closure for containers having a discharge opening and a finish with means for supporting the closure over the discharge opening comprising a cap portion of generally cup-like form having a top and a depending skirt with means on the interior peripheral surface thereof cooperating with means on the container finish for applying and removing the cap portion; a tamper-evident ring or band connected to the lower terminal edge of said skirt by at least a pair of fracturable bridge means and at least one lug cooperatively associated with at least one cam element below the container finish operable in one direction of movement of the cap portion relative to the container to effect fracturing of the bridge means to separate the tamper-evident ring from the cap portion, said bridge means being oriented in a predetermined manner relative to one another to effect sequential breaking in a given pattern upon relative movement of said cap portion and ring in said one direction.
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