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 &# 39 ; s transfer bead locking the band in place .