Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1975-06-06
1976-04-20
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
B65D 5502, B65D 8556, B61J 100
Patent
active
039512908
ABSTRACT:
A child-resistant overcap adapted to be positioned over a threaded screw cap which has axially extending ribs on the outer surface of its threaded skirt, in order to make the entire closure child-resistant. The overcap has a disc-like top and a cylindrical skirt which nests over the screw cap. An inwardly extending lip on the bottom edge of the overcap skirt retains the overcap in position after assembly. The disc-like top of the overcap is slotted with at least two diametric slots, arranged with their axes normal to each other. One slot is formed by two diametrically opposed, outwardlyconverging pairs of edges defining V-notches and the other slot may be a narrow slit. The inner wall of the overcap skirt has at least one axial driving rib which protrudes radially inwardly and is located at the outer end of the narrow slit. Squeezing the overcap radially inwardly along the diameter of the narrow slit flexes the top and moves the driving rib or ribs into engagement with the skirt of the threaded inner cap for delivering torque thereto.
REFERENCES:
patent: 3027035 (1962-03-01), Farago
patent: 3892325 (1975-07-01), Maguire
Hall George T.
Leonard Henry K.
Sunbeam Plastics Corporation
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