Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1983-11-07
1985-11-05
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215320, 215329, B65D 5502
Patent
active
045508410
ABSTRACT:
A closure for a container includes a closed top, a peripheral skirt and an integral engagement portion which extends from the closure top having an outer sidewall which is spaced radially inwardly from the inner sidewall of the skirt a distance sufficient such that the container neck is receivable in the space therebetween. A mechanism is provided by which the engagement portion is expanded radially outwardly either during or after the application of the closure to the container to urge the sidewall of the engagement portion tightly into engagement with the inner sidewall of the container neck to provide a friction locking and/or hermetic sealing of the closure to the container. In another embodiment, locking means are provided on the inner sidewall of the closure skirt which allows the closure to be twisted onto the container but which prevents the closure from being twisted in the opposite direction thereby locking the closure onto the container. A mechanism for selectively disengaging the locking means from the container is provided when access to the container contents is desired. Other embodiments using the principles of the invention are also disclosed.
REFERENCES:
patent: 4087016 (1978-05-01), Towns et al.
patent: 4257526 (1981-03-01), Weits et al.
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