Non-spilling liquid container

Details Non-spilling liquid container Non-spilling liquid container

1978-11-06

1980-01-22

Shoap, Allan N.

Receptacles

Closures

Secondary closure within parameter of primary closure

220 904, 220366, 222517, 222518, 222571, A47G 1922

Patent

active

041846036

ABSTRACT:
A hollow container having an open top is provided with a cap releasably secured thereto. The cap, in turn, includes an open top having an inwardly and downwardly extending lip surrounding the opening. A lid is positioned in the opening and includes a peripheral lip that extends upwardly and outwardly to engage the lip of the cap to form a liquid seal therebetween. A spring member is seated within an annular groove within the cap and contacts the lid to urge the lid upwardly toward the cap. A slight air gap is maintained between the lips; the force of liquid in the container pushing against the lid when the container is tilted causes the lips to engage and maintain a liquid seal therebetween.

REFERENCES:
patent: 1457070 (1923-05-01), Mayberry
patent: 2126390 (1938-08-01), Jackson
patent: 2414697 (1947-01-01), Pettersson
patent: 2478544 (1949-08-01), Olson
patent: 2798718 (1957-07-01), Gross
patent: 3015404 (1962-01-01), Wayckens
patent: 3015411 (1962-01-01), Smith
patent: 3208629 (1965-09-01), Beeson
patent: 3338467 (1967-08-01), Albert
patent: 3341062 (1967-09-01), Phillips
patent: 3437232 (1969-04-01), Goodwin, Jr.
patent: 3504849 (1970-04-01), Quinn
patent: 3727808 (1973-04-01), Fitzgerald
patent: 3749274 (1973-07-01), Mele et al.
patent: 3797696 (1974-03-01), Dibrell et al.
patent: 3952910 (1976-04-01), Wheeler
patent: 3964631 (1976-06-01), Albert

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