Tamper-proof closure

Details Tamper-proof closure Tamper-proof closure

1983-02-18

1984-02-28

Hall, George T.

Bottles and jars

Closures

Shrinkable closure, fastener, or seal

215250, 215251, 215206, 215223, 215225, B65D 4102, B65D 4132

Patent

active

044337906

ABSTRACT:
The invention contemplates a container closure, with a frangible cover preassembled thereto, such that both the closure and the cover have independent snap-lock engagement to the container-neck finish, in a single axially displaced assembly of both of the preassembled parts to the neck finish. The cover must be broken to gain access to container contents, so that any breakage provides a direct warning as to possible tampering. In the disclosed embodiment, the closure which remains after destruction and removal of the cover, has child-safety features, in respect of its snap-action engagement to the neck finish.

REFERENCES:
patent: 3838785 (1974-10-01), Lancesseur
patent: 3952901 (1976-04-01), Conti
patent: 4280631 (1981-07-01), Lohrman

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