Device for dispensing liquids in the form of drops

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 47/18 (2006.01)

Patent

CA 2571633

The invention relates to a device for dispensing liquids in the form of drops using a teat that can be connected to a container by means of a connection. The inventive device comprises a passage for the liquid from the connection to an outlet, and an air admission. A liquophilic, microporous membrane having a pore size which prevents the passage of impurities is arranged inside the teat, in the flow path of the liquid. A liquophobic, microporous membrane suitable for preventing the passage of the liquid, but enabling the passage of air, is arranged in the flow path of the air admission to the container. The teat (2) comprises a second passage (16) which is fully separated from the passage (6) for the liquid and is used for the air admission to the inlet channel (18) which is connected to the container and in which the connection (4) is provided.

L'invention concerne un dispositif pour distribuer des liquides sous forme de gouttes, comprenant une pointe compte-gouttes qui peut être raccordée à un récipient au moyen d'un raccord. Cette pointe compte-gouttes comprend un passage pour le liquide, qui s'étend du raccord jusqu'à une ouverture de distribution, une admission d'air étant prévue. Une membrane microporeuse hydrophile présentant une grosseur de pore qui empêche le passage des impuretés est disposée dans la pointe compte-gouttes, sur la trajectoire d'écoulement du liquide. Une membrane microporeuse hydrophobe conçue pour empêcher le passage du liquide, mais permettre le passage de l'air, est disposée sur la trajectoire d'écoulement de l'admission d'air vers le récipient. La pointe compte-gouttes (2) comprend un deuxième passage (16) qui est entièrement séparé du passage (6) destiné au liquide, et qui est utilisé pour l'admission d'air vers le canal d'entrée (18) qui est raccordé au récipient et dans lequel le raccord (4) est prévu.

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