Dosing apparatus used to pour a dose by tilting a container

Details Dosing apparatus used to pour a dose by tilting a container Dosing apparatus used to pour a dose by tilting a container

G - Physics

01

F

G01F 11/26 (2006.01)

Patent

CA 2495301

The invention relates to a dosing apparatus (7) consisting of: a buffer chamber (6), the upper part of which communicates with the main chamber (3) of the fluid or powder container (1); and a dosing chamber (2) comprising a passage which leads to the lower part of the aforementioned buffer chamber (6). According to the invention, the container is tilted downwards such that the buffer chamber is filled at least partially and said container is then set upright such that the fluid or powder in the buffer chamber can flow into the dosing chamber. The invention is characterised in that the passage between the buffer chamber and the dosing chamber is a constricted channel (80) which forms an anti-siphon and which causes the formation of a bubble in order to restrict the release of the fluid or powder when the container is being set upright.

L'invention concerne un doseur (7) comportant une chambre tampon (6) en communication à sa partie supérieure avec une chambre principale (3) d'un récipient (1) de fluide ou de poudre, et une chambre doseuse (2) qui communique avec ladite chambre tampon (6) par l'intermédiaire d'un passage à la partie inférieure de celle-ci, l'inclinaison du récipient vers le bas permettant de remplir au moins partiellement la chambre tampon, le redressement du récipient permettant de faire s'écouler le fluide ou la poudre entré dans la chambre tampon, dans la chambre doseuse, caractérisé en ce que le passage entre la chambre tampon et la chambre doseuse est un canal étranglé (80) formant un anti-siphon et favorisant la formation d'une bulle ou d'un essouflement pour limiter, lors du redressement du récipient, le déversement du fluide ou de la poudre.

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