Container valve

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 47/20 (2006.01) B05B 11/00 (2006.01) B05B 11/04 (2006.01)

Patent

CA 2339467

A container for dispensing liquids comprises a body member (2) and a closure (6) including a cap (8) in the form of a plastic moulding having an outlet (12) and a control valve (22) within the cap (8) for controlling the dispensing of liquid through the outlet (12), the control valve (22) being in the form of a one piece plastic moulding having a diaphragm portion (26) and a nose portion (28), the nose portion (28) of the valve (22) normally sealing the outlet (12) but being displaceable therefrom on distortion of the diaphragm portion (28) resulting from pressurisation of the interior of the body member (2), the cap (8) further including a one-way valve (36) which, on pressurisation of the interior of the body member (2), is closed to seal the interior of the cap (8) from the atmosphere, and, on release of pressure from the interior of the body member (2), opens to interconnect the interior of the cap (8) with the atmosphere to facilitate return of the body member (2) to its normal rest condition.

Un contenant destiné à distribuer des liquides comprend un élément formant corps (2) et une fermeture (6) comportant un bouchon (8) se présentant sous forme d'un moulage en plastique doté d'une sortie (12) et d'un distributeur (22) à diaphragme prévu dans le bouchon (8) pour réguler la distribution du liquide par la sortie (12), le distributeur (22) à diaphragme se présentant sous forme d'un moulage monobloc en plastique doté d'une partie (26) de diaphragme et d'une partie (28) de nez, la partie (28) de nez du distributeur (22) fermant normalement la sortie (12) mais pouvant se déplacer par rapport à cette dernière lorsque la partie (28) de diaphragme se déforme sous l'effet de la pressurisation de l'intérieur de l'élément formant corps (2). Le bouchon (8) comprend en outre un système anti-reflux (36) qui, sous l'effet de la pressurisation de l'intérieur de l'élément formant corps (2), se ferme pour isoler l'intérieur du bouchon (8) de l'atmosphère, et qui, lorsque la pression se libère de l'intérieur de l'élément formant corps (2), s'ouvre pour relier l'intérieur du bouchon (8) à l'atmosphère afin de faciliter le retour de l'élément formant corps (2) à sa position normale de repos.

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