Fluid dispensing device with metered delivery

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 35/40 (2006.01) B65D 35/28 (2006.01)

Patent

CA 2558487

The fluid dispensing device (10) includes a container (20) with an interior fluid storage region (22) therein. A flexible metering housing (26) is disposed in fluid communication with the fluid storage region (22) a first one- way valve (30) disposed between the container (20) and the flexible metering housing (26). One way flow from the interior fluid storage region (22) of the container (20) fills the predetermined volume of the metering chamber (32) with fluid by vacuum action when a button (36) is depressed and then released. A second valve (40) is in fluid communication with the metering housing (26) and permits one-way fluid flow from the metering chamber (32) to the exterior outer region of the container (20) when the metering housing (26) is depressed again. Each time the metering housing (26) is depressed a substantially equal volume of fluid (24) is dispensed from the container (20). An additional foam layer (12) on the outside of container (20) facilitates dispersion and delivery of the fluid (24).

La présente invention a trait à un dispositif de distribution de fluide (10) comportant un récipient (20) comprenant en son sein une zone de stockage de fluide (22). Un boîtier de dosage flexible (26) est disposé en communication fluidique avec la zone de stockage de fluide (22) à travers une valve anti-reflux (30) disposée entre le récipient (20) et le boîtier de dosage flexible (26). Un écoulement unidirectionnel depuis la zone intérieure de stockage de fluide (22) du récipient (20) assure le remplissage du volume prédéterminé de la chambre de dosage (32) avec du fluide sous l'action du vide lorsqu'un bouton (36) est enfoncé et ensuite relâché. Une deuxième valve (40) est en communication fluidique avec le boîtier de dosage (26) et permet un écoulement unidirectionnel de fluide depuis la chambre de dosage (32) vers l'extérieur de la zone externe du récipient (20) lorsque le boîtier de dosage (26) est à nouveau sous vide. A chaque dépression du boîtier de dosage (26) un volume sensiblement égal de fluide (24) est distribué depuis le récipient (20). Une couche additionnelle de mousse (12) à l'extérieur du récipient (20) facilite la dispersion et la distribution de fluide (24).

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