Receptacles – Closures – Removable closure retained by ductile in situ deformation
Patent
1986-01-23
1987-02-03
Hall, George T.
Receptacles
Closures
Removable closure retained by ductile in situ deformation
220306, 150 55, B65D 3900
Patent
active
046404350
ABSTRACT:
A container for carbonated beverages is disclosed. The container includes an interlocking plastic lid and plastic can construction wherein the lid snaps onto the can to provide a sealed container capable of withstanding high internal pressure without leakage.
The can includes a neck portion having an inwardly extending ridge and an outwardly flared mouth thereabove. An outwardly and downwardly extending locking flange is unitarily formed at the top of the can mouth. The lid includes a concave top wall which fits into the can mouth and engages the ridge, and a peripheral rim which includes a downwardly opening groove to receive the locking flange. The lid is rigid, and is shaped to compress the locking flange as the lid is pressed onto the can, with the locking flange snapping outwardly over an annular shoulder to secure the lid in place. The flange is held in compression by the groove to insure an intimate surface-to-surface seal around the circumference of the can, the rigid lid providing sufficient hoop strength to maintain the shape of the container, even under high internal pressures.
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Hall George T.
Sun Coast Plastics, Inc.
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