Device for generating and dispensing foam

Details Device for generating and dispensing foam Device for generating and dispensing foam

A - Human Necessities

47

K

A47K 5/14 (2006.01) A45D 27/10 (2006.01) B05B 7/00 (2006.01) B05B 11/00 (2006.01)

Patent

CA 2189151

The invention relates to a device for generating and metering foam, especially foamed soap. To prevent further dispensing of drips of residual foam in the foam outlet channel (9) after the quantity required has been supplied,the device is constructed in such a way that the underpressure subsisting on the return stroke of a piston (10) in an air chamber (1) is effective in the foam outlet channel and sucks residual foam back.

L'invention concerne un système qui permet de produire et de distribuer de manière dosée de la mousse, notamment du savon moussant. Afin d'éviter que la mousse résiduelle restée dans le canal de sortie (9) de la mousse ne sorte sous forme de bulles ou ne dégoutte après distribution d'un volume dosé de mousse, ce système est conçu de manière à ce que la dépression produite dans le canal de sortie (9) de la mousse, sous l'effet de la course de retour d'un piston (10) monté dans une chambre d'air (1), soit active et retienne la mousse résiduelle par rétroaspiration.

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