Tamper evident closure with hook-like locking tabs

Details Tamper evident closure with hook-like locking tabs Tamper evident closure with hook-like locking tabs

1988-12-15

1989-08-15

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

B65D 4134

Patent

active

048566659

ABSTRACT:
A tamper evident closure has frangible bridges detachably connecting a tamper indicating band to the skirt of a cap, and hook-like locking tabs for securing the tamper indicating band to a transfer bead on a container, circumferentially displaced from one another and all aligned with a radially extending annular gap between the tamper indicating band and the cap, such that the closure can be integrally molded from thermoplastic material in a straight draw mold without slides, inserts or post molding operations. The frangible bridges extend along, as well as across, the annular gap and are flexible so that the tamper indicating band can be extended axially relative to the cap to accommodate for variations in dimensions and tolerances in containers to which the closure is applied.

REFERENCES:
patent: 4197955 (1980-04-01), Luenser
patent: 4394918 (1983-07-01), Grasson
patent: 4506795 (1983-03-01), Herr
patent: 4511054 (1983-04-01), Shank
patent: 4519516 (1985-05-01), Amos
patent: 4550844 (1985-11-01), Lininger

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