Dropwise liquid dispensing system particularly suitable for...

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 1/08 (2006.01) B65D 47/18 (2006.01) B65D 83/00 (2006.01)

Patent

CA 2189447

A dropwise liquid dispensing system (10) is provided which includes a liquid formulation having a surface tension of less than a specific value. A tip (22) is provided for dispensing of the liquid formulation in a dropwise fashion and an inner bottle (30), in communication with the tip (22), contains the liquid formulation, and forces the liquid formulation through the tip (22) when compressed. The inner bottle (30) is configured with a volume for preventing a liquid formulation from flowing out of the bottle through the tip (22) without compression of the inner bottle (30). An outer bottle (12) is provided and disposed around the inner bottle (30) for compressing the inner bottle (30). The inner (30) and outer (12) bottles are sized for providing hydraulic advantage in compressing the inner bottle (30) with the hydraulic advantage being manifested by the outer bottle (12) having a greater inner surface area than an outer surface of the inner bottle (30).

L'invention concerne un système de distribution de liquides par gouttes (10) qui comprend une formulation liquide dont la tension superficielle est inférieure à une valeur spécifique. Un embout (22) est prévu pour distribuer la formulation liquide par gouttes, et une bouteille intérieure (30), en communication avec l'embout (22), contient la formulation liquide qu'elle pousse, à travers l'embout (22) une fois comprimée. La bouteille intérieure (30) est configurée avec un volume permettant d'éviter l'écoulement hors de la bouteille, à travers l'embout, sans compression de la bouteille intérieure. Une bouteille extérieure (12) est prévue et placée autour de la bouteille intérieure (30) pour comprimer cette dernière. Les bouteilles intérieure et extérieure (30 et 12, respectivement) sont dimensionnées de manière à offrir un avantage hydraulique lors de la compression de la bouteille intérieure (30). L'avantage hydraulique se manifeste par le fait que la bouteille extérieure (12) présente une aire de surface intérieure supérieure à la surface extérieure de la bouteille intérieure (30).

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