초록 ▼

A one-piece molded plastic closure having a tamper-indicating band connected to the closure skirt by rupturable means. The tamper band uses series of solid interiorly projecting beads that come in contact with a transfer bead on the container as the closure is unscrewed. The engagement of the beads

A one-piece molded plastic closure having a tamper-indicating band connected to the closure skirt by rupturable means. The tamper band uses series of solid interiorly projecting beads that come in contact with a transfer bead on the container as the closure is unscrewed. The engagement of the beads and container breaks the band by rupture on the connection means. The beads in the band are arranged in tiers at three different heights on the band. A thick cylindrical section at the bottom of the band assists initial capping. The beads are disposed in the band at an angle equal to the pitch angle of the container threads. This eliminates need for top pressure in capping by the beads following the container thread lowering and driving the beads over the container\s transfer bead locking the band in place.

대표청구항 ▼

A tamper-indicating closure comprising: a one-piece closure molded of plastic having a base wall and a peripheral skirt, said skirt having means thereon adapted to interengage means on a container for securing it to the container, a tamper-indicating band on said closure joined to the closure along

A tamper-indicating closure comprising: a one-piece closure molded of plastic having a base wall and a peripheral skirt, said skirt having means thereon adapted to interengage means on a container for securing it to the container, a tamper-indicating band on said closure joined to the closure along a weakened frangible line, a series of inwardly facing radial projections on said band circumferentially arranged around the interior of the band and disposed in plural tiers, each of said projections including a surface adapted to correspond with the means on the container for securing the closure enabling capping, said surface being adapted to engage a bead surface on the container when the closure is removed, the several projections in tiers assuring holding the band with the container while severing it from the closure along the weakened line during removal.