Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1978-06-21
1979-04-17
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
B65D 5502, B65D 8556, A61J 100
Patent
active
041496469
ABSTRACT:
Child-resistant locking means for a container having a threaded neck and a closure therefor. The closure has an inner threaded skirt and an outer more flexible skirt on the lower margin of which there is at least one axially extending, depending lug. The container has an abutment near, but spaced radially from, the base of the neck. The abutment has a face that lies in a radial plane of the container and an outer surface that extends inwardly from the outer edge of the abutment face angularly across the normal circular path of the closure lug. When the closure is turned onto the container neck, the lug (1) engages the outer surface of the lug and is flexed outwardly thereby, (2) snaps inwardly after it is turned beyond the abutment and (3) engages the radial face of the abutment when the closure is turned in a retrograde direction. In order to remove the closure, the outer skirt and the tab manually are squeezed inwardly so as to pass the abutment.
REFERENCES:
patent: 3770153 (1973-11-01), Gach
patent: 3949893 (1976-04-01), Uhlig
patent: 3958708 (1976-05-01), Le Brun, Jr.
patent: 3989152 (1976-11-01), Julian
patent: 3993208 (1976-11-01), Ostrowsky
Hall George T.
Leonard Henry K.
Sunbeam Plastics Corporation
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