초록 ▼

Disclosed herein is an aerosol assembly which may be used inverted and upright and which, when used in the inverted position, will automatically provide an audible signal that a preselected amount of the container contents has been depleted. A valve body defining a hollow interior and a base has a h

Disclosed herein is an aerosol assembly which may be used inverted and upright and which, when used in the inverted position, will automatically provide an audible signal that a preselected amount of the container contents has been depleted. A valve body defining a hollow interior and a base has a hollow diptube operatively connected to the valve body interior and reaching at its lower end to the bottom of an associated aerosol container. A moveable valve stem is provided for placing the valve body interior in communication with the exterior of the aerosol container. A liquid level spray control is provided. The control comprises a hollow tube connected to the valve body and surrounding the diptube. The hollow tube defines an opening below the valve body base. The opening defines an open flow path from the container interior to the valve body interior. The hollow tube extends downwardly from the valve body base and is positioned no closer to the valve body base than 20% of the distance between the base and the diptube lower end and no closer to the diptube lower end than 80% of the distance between the base and the diptube lower end. The opening is in open flow communication with the valve body interior when the aerosol container and associated valve assembly are in each of their inverted and upright positions.

대표청구항 ▼

An aerosol container and aerosol valve assembly for automatically signalling, when used in an inverted position, that a pre-selected amount of the contents of said aerosol container has been discharged, said valve assembly comprising a valve body defining a hollow interior and a base, a hollow diptu

An aerosol container and aerosol valve assembly for automatically signalling, when used in an inverted position, that a pre-selected amount of the contents of said aerosol container has been discharged, said valve assembly comprising a valve body defining a hollow interior and a base, a hollow diptube operatively connected to said valve body interior and adapted to reach at its lower end to the bottom of said aerosol container, a moveable valve stem for placing said valve body interior in communication with the exterior of said aerosol container, and liquid level spray control means comprising a hollow tube operatively connected to said valve body and surrounding said diptube, said hollow tube defining opening means therein spaced below said valve body base, said opening means defining an open flow path from said container interior, between said diptube and said hollow tube, and to said valve body, an opening defined by said valve body and being in flow communication with said open flow path, thereby to place said valve body interior and the interior of said container in flow communication, said hollow tube extending downwardly from said valve body base, and said opening means being positioned below said base at least about 20% of the distance between said base and said diptube lower end and no more than a distance of about 80% of the distance between said base and said diptube lower end, said opening means being in open flow communication with said valve body interior both when said aerosol container and said valve assembly are in an inverted position and in an upright position.