Squeeze foamer

Details Squeeze foamer Squeeze foamer

2007-01-23

2011-11-15

Shaver, Kevin P (Department: 3754)

Dispensing

With material treatment or conditioning means

C222S211000

Reexamination Certificate

active

08056769

ABSTRACT:
The invention relates to a dispensing device for dispensing a foam, comprising a manually compressible container (2) for storing a liquid and air, which container comprises an opening (3), a rigid housing (4, 5) to be fitted in or on the opening, the housing comprising an air passage (11, 12) and a liquid passage (9), which are in communication with a dispensing passage (14) which ends in a dispensing opening (8), and a valve body (6) which, in a rest position, covers a mouth of the liquid passage and a mouth of the air passage (10) in a sealing manner in order to prevent a flow from the liquid passage and the air passage to the dispensing passage, and which, during dispensing, opens the mouth of the liquid passage and the mouth of the air passage in order to allow mixing of air and liquid to take place in the dispensing passage. The invention is characterized by the fact that the mouth of the air passage and the mouth of the liquid passage are—substantially annular and are arranged substantially concentrically with respect to one another.

REFERENCES:
patent: 4773570 (1988-09-01), Workum
patent: 5037006 (1991-08-01), Kock
patent: 6394315 (2002-05-01), Banks
patent: 6540105 (2003-04-01), Dorman et al.
patent: 7661561 (2010-02-01), Ophardt et al.
patent: 2002/0153389 (2002-10-01), Creaghan et al.
patent: 2004/0060945 (2004-04-01), Cater et al.
patent: 9110905.1 (1993-01-01), None
patent: 9421374 (1994-09-01), None

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