Tamper-indicating closure for a container and improved capping w

Details Tamper-indicating closure for a container and improved capping w Tamper-indicating closure for a container and improved capping w

1988-08-01

1989-07-11

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

53488, 53490, 215258, B65D 4134

Patent

active

048463612

ABSTRACT:
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.

REFERENCES:
patent: 4147268 (1979-04-01), Patel et al.
patent: 4488655 (1984-12-01), Itsubo et al.
patent: 4753360 (1988-06-01), Baxter

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