Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1976-01-22
1976-09-14
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215206, 215224, 215350, B65D 5502, B65D 8556, A61J 100
Patent
active
039801942
ABSTRACT:
There is disclosed a safety closure cap for use with a bottle or other container having a neck portion. The closure cap is made of an elastically deformable or expandable synthetic plastic material. The neck portion of the bottle has on its outside a ring-shaped rib flattened at a portion of its circumference. The inside of the skirt of the cap has thereon several radially inwardly protruding lugs. These lugs can be forced to pass the rib on the neck portion in any angular position of the cap relative to the bottle neck by applying axially directed pressure to the closure cap thereby effectively locking the cap to the bottle. There is further provided on the inside of the cap a liner of moisture-absorbing material which is held in position by circumferentially spaced further lugs. The lugs on this skirt coacting with the rib are so disposed that when they are forced past the rib on the bottle neck, they also cause the liner to be pressed against the top rim of the neck thereby effectively sealing the bottle against the ingress of moisture and dust particles. Removal of the cap from the bottle neck can be effected only by placing the cap in an angular position in which one of the locking-effecting lugs is in axial alignment with the flattened portion on the rib on the bottle neck. In this position, the respective lug is not retained by the rib, thereby making it possible to pull off the cap by applying a moderate upper pull thereto at the point at which the flattened rib portion and the respective locking lug are in alignment.
REFERENCES:
patent: 3612325 (1971-10-01), Williams
patent: 3871662 (1975-03-01), Hepp et al.
patent: 3901401 (1975-08-01), Lynn et al.
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