Valve for aerosol container

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 83/14 (2006.01)

Patent

CA 2297983

There is provided a valve for an eorosol container for dispensing a suspension or solution of a substance in a liquid propellant contained therein. The valve comprises a valve body (1) defining an aperture, a seal (9) mounted at the aperture, and a valve stem (7) having a dispensing passage (15), the valve stem (7) being slideably moveable through the seal (9) such that in a first position the valve is closed to prevent the substance to be dispensed from entering the dispensing passage (15), and in a second position the valve is opened to allow the substance to be dispensed through the dispensing passage (15). The seal (9) is made from a material comprising a fluorine-containing polymer.

L'invention concerne une soupape pour un récipient aérosol qui sert à distribuer une suspension ou une solution d'un produit dans un agent propulsif liquide contenu dans ledit récipient. La soupape comprend un corps (1) de soupape comportant une ouverture, un joint (9) installé au niveau de l'ouverture et une tige (7) de soupape comprenant un passage (15) de distribution, la tige (7) pouvant être glissée à travers le joint (9) de manière à ce que, dans une première position, la soupape soit fermée et empêche le produit devant être distribué d'entrer dans le passage (15) de distribution, et à ce que dans une seconde position la soupape soit ouverte de manière à permettre au produit d'être distribué à travers le passage (15) de distribution. Le joint (9) est formé d'un matériau comprenant un polymère contenant du fluor.

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