Tamper-evident container-closure and method for making the same

Abstract From the Canadian patent

A temper-evident closure for a container having external thread means and a circumferentially extending radially outwardly projecting bead comprising a cap portion of cup-like form a tamper-evident band connected to, the lower terminal edge of the cap portion by a series of circumferentially spaced fracturable bridge connections, a radially inwardly directed retaining rib on the inner surface of the tear band cooperatively associated with the bead on the container to effect fracture of the bridge when the cap portion is actuated in a direction to remove It from the container and a series of angularly disposed tabs between the bridge connections operable to limit lateral displacement and …