Liquid container with oriented floating stopper

Details Liquid container with oriented floating stopper Liquid container with oriented floating stopper

1991-03-11

1992-07-28

Huppert, Michael S.

Dispensing

Processes of dispensing

222212, 222563, G01F 1100

Patent

active

051334798

ABSTRACT:
A container for a liquid which is to be poured out of the container through an open neck, is internally provided with a buoyant stopper for the neck. The stopper is oriented, by uneven weight distribution, to float in a stop surface up, flexible tabs down orientation. In use, the container, after being opened, is slightly squeezed to elevate the stopper stop surface into sealing engagement with the neck. In this condition, the container is inverted and its open neck placed over the intended receiver, whereupon manual squeezing is relaxed, allowing the stopper to bob up towards the bottom of container. Inversion, while bobbing up desirably orients the stopper so that, as the stopper settles into the container shoulder or neck during emptying, it cannot undesirably replug the container neck. The stopper can be inserted into the container during the container manufacturing process, by flexing the tabs and forcing the stopper into the container through the neck, tab end first.

REFERENCES:
patent: 756546 (1904-04-01), Benthuysen
patent: 3172575 (1965-03-01), Vosburg
patent: 3256977 (1966-06-01), Pettersen
patent: 3366285 (1968-01-01), Scislowicz
patent: 4696328 (1987-09-01), Rhodes, Jr.
patent: 4789082 (1988-12-01), Sampson
patent: 4842152 (1989-06-01), Donegan
patent: 4846378 (1989-07-01), Kim
patent: 4938390 (1990-07-01), Markva
patent: 5000353 (1991-03-01), Kostanecki et al.

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