METERING VALVE

摘要

A metering valve for an aerosol receptacle, is provided with a valve body having an internal chamber (17) for contact either with the internal face of the valve or with the external face of the valve, a stem (41) provided with closure means (42) and placed partly inside the internal chamber (17) for moving between a closed position in which the internal chamber contacts the internal face of the valve, but isolated from its external face, and an open position in which the internal chamber contacts its external face but isolated from its internal face, and a reservoir (R) able to be filled with the stem in the closed position and emptied with the stem in the open position. The reservoir is on the side of the internal face of the valve, outside the valve body, contacting its internal chamber, and formed by at least one flexible membrane (2).

主权项

1. Metering valve for an aerosol receptacle, having an internal face intended to be placed inside the aerosol receptacle and an external face intended to be placed outside the aerosol receptacle, said valve being provided with
a valve body having an internal chamber able to be put in contact either with the internal face of the valve or with the external face of the valve, a stem provided with closure means and placed partly inside the internal chamber able to move between a closed position in which the internal chamber is in contact with the internal face of the valve, but isolated from the external face of the valve, and an open position in which the internal chamber is in contact with the external face of the valve but isolated from the internal face of the valve, a reservoir able to be filled when the stem is in the closed position and emptied when the stem is in the open position,wherein the reservoir is situated on a side of the internal face of the valve, outside the valve body, the reservoir is in contact with the internal chamber of the valve body, and the reservoir comprises at least one flexible membrane.