VALVE FOR DELIVERING METERED AMOUNTS OF AEROSOL MATERIAL FROM CONTAINERS THEREFOR

摘要

Valve for delivering metered amounts of aerosol materials from containers therefor. The valve comprises two bodies fast with each other and defining two distinct chambers communicating with each other. One of the chambers is connected to the container for the material to be delivered by a conduit, in which a piston is movably accomodated and fast with the valve stem, and allowing or inhibiting the communication between said conduit and the chamber connected thereto whether the stem is at rest, or is pressed for the material delivery.