Water bottle cap

Details Water bottle cap Water bottle cap

1989-01-30

1989-12-05

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

215317, 215344, B65D 4148

Patent

active

048847070

ABSTRACT:
A resilient plastic bottle cap for a five-gallon water bottle of the type having a crowned neck including an external upper bead, the cap having a top portion with a depending skirt which fits snuggly around the exterior of the bottle neck and so long as it remains intact prevents tampering with the contents. An inner annular groove divides the depending skirt into upper and lower portions and an inner groove is formed between the annular groove and the lower edge of the lower part of the depending skirt and adjacent a tab so that the lower part of the skirt may be torn off to permit easy removal of the cap from the water bottle. Several inturned annular flanges are formed on the inner surface of the depending skirt to form multiple flexible seals and retaining means engaging the external upper bead of the water bottle.

REFERENCES:
patent: 3120900 (1964-02-01), Faulstich
patent: 3392860 (1968-07-01), Faulstich
patent: 3392862 (1968-07-01), Faulstich
patent: 3473685 (1969-10-01), Karlan
patent: 3840137 (1974-10-01), Faulstich
patent: 4066180 (1978-01-01), Sanchez
patent: 4106653 (1978-08-01), Martinelli
patent: 4416383 (1983-11-01), Frahm

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