Liquid container

Details Liquid container Liquid container

1998-06-18

2000-09-05

Manahan, Todd E.

Toilet

Toilet kit

Powder box and applicator

401132, 222107, A45D 3300, A47L 2304, B65D 4710

Patent

active

061127523

ABSTRACT:
A liquid container has an automatic opening and closing mechanism preventing entry of air into the container, and is convenient for portable use. The liquid container comprises an upper shell and a lower bonded along their outer circumferential ends to define a flat liquid pool between them. At least one of the upper and lower shells is a thin skin member made of a flexible material to be deformable when depressed. The upper shell has formed a through hole communicating with the liquid pool, and a flexible film is bonded onto the upper shell to form the automatic opening and closing mechanism composed of a duct communicating with the through hole and an outlet communicating with the duct between the flexible film and the upper shell.

REFERENCES:
patent: 4301923 (1981-11-01), Vuorento
patent: 4378069 (1983-03-01), Franco
patent: 5348191 (1994-09-01), Dekeyser
patent: 5380110 (1995-01-01), Festa
patent: 5546728 (1996-08-01), Dekeyser

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