Aerosol for dispensing a liquid

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 47/34 (2006.01) B05B 7/00 (2006.01) B05B 11/00 (2006.01)

Patent

CA 2375296

Aerosol for dispensing a liquid, in particular in the form of a foam, at least comprising a liquid container (2) and a dispensing assembly (1) which is coupled thereto at least in liquid-tight manner, the dispensing assembly (1) comprising a liquid pump (4) with a liquid inlet (15) and a liquid outlet (17), and an actuating head (10), the actuating head (10) comprising an outlet passage (12) and a dispensing opening (11) for dispensing the liquid, while the actuating head (10) furthermore comprises a closed, circumferential protective cap (14), the aerosol furthermore comprising a cicumferential recess (27), into which the protective cap (14) can move, which recess (27) comprises a closed inner wall (29), an outer wall (30) and a base (28), and one or more outlet openings (31) are present in the vicinity of the base (28) of the recess (27), in which aerosol the shape of the recess (27) is such that the inner wall (29), on the side which is remote from the base (28), is at a radial distance p from the protective cap (14), which distance p is greater than the usual clearance distance of the protective cap (14) with respect to the inner wall (29).

L'invention porte sur un générateur d'aérosols servant à l'administration d'un liquide, en particulier sous forme de mousse, et comportant au moins un récipient recevant un liquide (2) et un dispositif distributeur (1) lui étant relié hermétiquement. Le dispositif distributeur (1) comprend une pompe (4) avec une entrée (15) de liquide et une sortie (17) de liquide, et une tête d'actionnement (10) comprenant un passage de sortie (12) et un orifice de distribution (11) du liquide, ainsi qu'un capuchon protecteur (14) circulaire fermé. Le générateur d'aérosols comprend en outre un évidement circulaire (27) où peut se déplacer le capuchon protecteur. L'évidement circulaire (27) comprend une paroi intérieure fermée (29), une paroi extérieure (30), une base (28), et une ou plusieurs ouvertures proches de la base (28). La forme de l'évidement (27) est telle que le côté de la paroi intérieure (29) opposé à la base (28) se trouve à une distance radiale p du capuchon protecteur (14) supérieure au jeu normal entre le capuchon protecteur (14) et la paroi intérieure (29).

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