Device for controlling the pressure in an aerosol dispensing...

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 83/14 (2006.01)

Patent

CA 2513768

A system for applying a working pressure on a content of a pressure package (A) with the aid of a propellant, the system being provided with: a pressure package (A) and a gas supply device (B) comprising a pressure controller (2) and a high-pressure chamber for storage of the propellant, the gas supply device (B) being provided with a feed-through connecting the high-pressure chamber and the pressure controller to enable propellant to flow from the high- pressure chamber (3) to the pressure controller, the pressure controller being further arranged to control the working pressure on the content of the package with the aid of the propellant on the basis of a predetermined reference pressure, the gas supply device being furthermore provided with a movable member (5) which can be brought at least into a control position and into a neutral position, while the movable member in the control position clears the feed-through to enable control of the working pressure, and the movable member in the neutral position blocks the feed-through.

L'invention concerne un système permettant d'appliquer une pression de fonctionnement sur le contenu d'un emballage (A) aérosol au moyen d'un agent propulseur. Ce système comprend: un emballage (A) aérosol ainsi qu'un dispositif (B) d'alimentation en gaz comprenant une unité de commande (2) de la pression et une chambre haute pression pour le stockage de l'agent propulseur, le dispositif (B) d'alimentation en gaz possédant un canal d'alimentation traversant reliant la chambre (2) haute pression et l'unité de commande de la pression pour permettre à l'agent propulseur de s'écouler de la chambre haute pression à l'unité de commande de la pression, cette unité de commande de la pression étant également conçue pour commander la pression de fonctionnement sur le contenu de l'emballage avec l'aide de l'agent propulseur en fonction d'une pression de référence de base, le dispositif d'alimentation en gaz possédant également un élément (5) mobile qui peut être mis du moins dans une position de commande et dans une position neutre, cet élément mobile en position de commande libérant le canal d'alimentation traversant pour permettre la commande de la pression de fonctionnement et cet élément mobile en position neutre bloquant le canal d'alimentation traversant.

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