Container having a tamper proof lid

Details Container having a tamper proof lid Container having a tamper proof lid

1986-02-14

1987-07-28

Hall, George T.

Receptacles

Closures

Removable closure retained by ductile in situ deformation

220284, 220266, 220DIG19, B65D 3900

Patent

active

046827072

ABSTRACT:
A one-piece plastic can lid 1, for use with a container of the lever ring type, has a periphery 20 which contacts an annular portion of the can wall 15, so as to center the lid 1 accurately relative to the can body. A recess 25 may be provided to enable a lever to be used to pry the lid 1 off the container. The recess 25 desirably includes a membrane 27 which is pierced when a lever is first used to open the container, so that rupture of the membrane 27 makes evident any unauthorized opening of the container. The lid 1 may also include one or more fins which form a seal in conjunction with an annular part 14 of the lever ring 16 of the container.

REFERENCES:
patent: 3595421 (1971-07-01), Sanchis
patent: 4327842 (1982-05-01), Walter
patent: 4491238 (1985-01-01), Tobolt

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