Foam dispensing device

Details Foam dispensing device Foam dispensing device

2011-08-30

2011-08-30

Ngo, Lien T (Department: 3754)

Dispensing

With material treatment or conditioning means

C222S231000

Reexamination Certificate

active

08006869

ABSTRACT:
A foam dispensing device is provided which can prevent water from entering without disturbing an introduction of outer air. The foam dispensing device includes a base cap with a hollow neck portion mounted on a mouth portion of a container; a pump suspended from a lower face of the base cap having two discharge channels for suctioning, pressurizing and discharging a content in the container and the outer air individually; and a pressing head with a nozzle for actuating the pump. The pressing head includes a cover that surrounds the hollow neck portion and that is opened at its lower side. A seal member for closing a gap the cover and the hollow neck portion in the initial position of the pressing head is provided on at least one of a lowermost end of the cover and an uppermost end of the hollow neck portion.

REFERENCES:
patent: A-7-867 (1995-01-01), None
patent: A-07-315463 (1995-12-01), None
patent: 2001-39460 (2001-02-01), None
patent: A-2002-102753 (2002-04-01), None
patent: A-2004-121898 (2004-04-01), None
patent: 2004-352333 (2004-12-01), None
patent: 2005-103425 (2005-04-01), None
patent: A-2005-193972 (2005-07-01), None

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