Closure device for a fluid vessel

Details Closure device for a fluid vessel Closure device for a fluid vessel

A - Human Necessities

47

G

A47G 19/22 (2006.01)

Patent

CA 2731441

A closure device (2) for a fluid vessel (1) comprises a bistable valve arrangement which includes first and second valve rim portions (4,5) and a valve member (3) engageable with either of the rim portions (4, 5) respectively to define an open position in which fluid (9) can exit the vessel (1) and a closed position in which fluid (9) is substantially prevented from exiting the vessel (1). The valve is shown in the open position. The valve is arranged to close automatically when an impulse is exerted against the valve member (3). This can occur for example when the vessel (1) is knocked over and the fluid (9) therein exerts pressure against the valve member (3).

L'invention porte sur un dispositif de fermeture (2) pour un récipient à fluide (1) qui comprend un agencement de vanne bistable qui comprend des première et deuxième parties de rebord de vanne (4, 5) et un élément de vanne (3) pouvant se mettre en contact avec l'une ou l'autre des parties de rebord (4, 5), respectivement, de façon à définir une position ouverte dans laquelle un fluide (9) peut sortir du récipient (1) et une position fermée dans laquelle un fluide (9) est sensiblement empêché de quitter le récipient (1). La vanne est représentée en position ouverte. La vanne est configurée pour se fermer automatiquement lorsqu'une impulsion est exercée contre l'élément de vanne (3). Ceci peut se produire, par exemple, lorsque le récipient (1) est renversé et que le fluide (9) à l'intérieur de celui-ci exerce une pression contre l'élément de vanne (3).

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