Stackable non-spillable drinking container

Details Stackable non-spillable drinking container Stackable non-spillable drinking container

1984-02-02

1985-01-22

Lowrance, George E.

Receptacles

Outlet or junction box type

Sectional receptacle

215 1A, 220 902, 229 7S, A47G 2118, A47G 1922, B65D 4704

Patent

active

044946686

ABSTRACT:
A non-spillable drinking container is manufactured in assemblable parts which provide stackability and reduced manufacturing costs. The drinking container utilizes a perforated expandable diaphragm mounted or formed over a base plate. The container is preferably frustro-conical in shape to provide stackability. A drinking tube is attachable to the expandable diaphragm and a top is sealably mountable over the tube. Drinking is accomplished by pulling upwardly on the tube to expand the diaphragm opening the perforations therein, allowing fluid flow through the perforations and up the straw to the mouth of the drinker.

REFERENCES:
patent: 1243033 (1917-10-01), Beatty
patent: 2948453 (1960-08-01), Drown
patent: 3106312 (1963-10-01), Hitchcock
patent: 3438257 (1969-04-01), Gamblin
patent: 4448316 (1984-05-01), Hiroshige

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