Inverted aerosol dispenser

Dispensing – With casing or support – For bottom discharge dispenser supported on horizontal surface

Reexamination Certificate

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Details

C222S173000, C222S182000, C222S402210, C222S402230

Reexamination Certificate

active

06491187

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to aerosol dispensing devices and more particularly to an improved aerosol dispensing device for discharging an aerosol product in a generally downwardly direction.
2. Description of the Prior Art
An aerosol dispensing device comprises an aerosol valve located internal an aerosol container. The aerosol valve is biased into a closed position. A valve stem cooperates with the aerosol valve for opening the aerosol valve. An actuator engages with the valve stem to open the aerosol valve for dispensing an aerosol product from the aerosol container. The aerosol product is dispensed from the aerosol valve through a spray nozzle.
Various types of actuators have been utilized by the prior art for actuating an aerosol dispensing device. The first and the most basic type of actuator for an aerosol dispensing device is an actuator button that is affixed to the valve stem. A depression of the actuator button depresses the valve stem to open the aerosol valve for dispensing the aerosol product from the aerosol container. A protective cap is utilized for engaging with a rim of the aerosol container for inhibiting accidental actuating of the aerosol button.
The second type of actuator for an aerosol dispensing device is an aerosol overcap. The aerosol overcap replaces the conventional protective cap and includes an actuator for actuating the aerosol valve of the aerosol dispensing device. The aerosol overcap comprises a base engagable with the rim of the aerosol container for mounting the overcap to the aerosol container. The aerosol over cap includes an actuator pivotably mounted to the overcap base and engaging with the valve stem. The movement of the actuator of the aerosol overcap causes a depression of the valve stem to open the aerosol valve for dispensing the aerosol product from the aerosol container.
A third type of actuator for actuating an aerosol dispensing device is a trigger device. In this third type of actuators, a base is mounted either to the container rim or the mounting cup rim for supporting a trigger. The trigger is engagable with the valve stem. A movement of the trigger from an extended position to a protracted position depresses the valve stem to open the aerosol valve for dispensing the aerosol product from the aerosol container. The following United States Patents represent some of the trigger devices for dispensing the aerosol product from the aerosol container.
Aerosol dispenser devices traditionally dispense lower viscosity aerosol products such as hair spray, paint, deodorant, and the like in a spray form. The spray nozzle and aerosol valve is traditionally located on the top of the aerosol container for dispensing the aerosol products through the spray nozzle in an upright position.
Typically, high viscosity aerosol products like shaving gels as well as foaming aerosol products such as shave cream are stored in an upright position and are dispensed in an upright to horizontal position. Other high viscosity foaming aerosol products such as hair mousse and rug cleaner are stored in an upright position but are dispensed in an inverted position.
The high viscosity foaming aerosol products that are dispensed in an inverted position are not designed to dispense in an upright position. If these foaming aerosol products are actuated in a upright oriented position, only the aerosol propellant would escape from the aerosol container and the aerosol product would remain in the aerosol container. This loss of the aerosol propellant may deplete the aerosol propellant prior to the complete dispensing of the aerosol product from the aerosol container.
U.S. Pat. No. 1,265,177 to Coleman discloses a receptacle including a cylindrical body having an outwardly flaring supporting flange fixed to its lower end. A bottom wall is secured in the cylindrical body above the point of connection of the flange. The flange is provided with an observation opening in one side thereof. A valve casing is connected to the bottom wall and depending therefrom. A rotary valve member is mounted in the casing to control the discharge of the contents of the receptacle. The valve has a stem rotatably supported in the flange.
U.S. Pat. No. 2,765,959 to Elliott discloses a dispensing receptacle for cans of pressurized material of the type having a tiltable valve controlling spout. The can containing receptacle has an open bottom and an open top and a closure for the top. Means hold a can in the container with the dispensing spout extending through the open bottom. The means includes shoulders in the receptacle and a spring between the closure and the bottom of the can biasing the can against the shoulders. The can is telescoped within the receptacle. Laterally movable means extends through the side wall of the receptacle for engaging and tilting the tiltable valve controlling spout. The last mentioned means comprises a stem removably abutting the spout. Spring means biases the stem outwardly of the receptacle. A push bottom on the outer end of the stem moves the stem inwardly to tilt the spout.
U.S. Pat. No. 3,272,392 discloses a dispensing package for materials under pressure comprising a container having a material under pressure therein. Valve means is mounted on the container for dispensing said material on the operation thereof. The valve means includes a projecting stem portion movable relative to said container for operating said valve means and having a passage therein for passing said material. Actuating means is operable to move said stem portion relative to said container for operating said valve means. The actuating means comprises a part connected to said stem portion. The part has means therein cooperating with the passage in said stem portion for communicating the latter outwardly of said dispensing package. The part is movable relative to said container on the application thereagainst of pressure applied from a position predeterminately located relative to said container in a direction substantially transverse to the axis of said stem portion for operating said valve means.
U.S. Pat. No. 3,759,431 to Vos discloses a pressurized package of the class that includes a container for receiving a product. Propellant means in the container discharges the product from the container. A dispensing assembly is mounted on the container characterized by an actuating lever. The actuating lever shifts to displace a flexible resilient valve body member from a position in which its discharge orifice-containing surface is in scaled engagement at least partially effected by the internal container pressure with a valve cap to a position in which it is aligned with an exit opening of the overcap.
U.S. Pat. No. 3,979,163 discloses a cleaning and scrubbing tool having a cleaning head and aerosol can handle in which a suitably operational scrub pad is supported by head bracket extension in free cleaning liquid passing relation, interlocked with portions of the pad by localized deflection of the extension, suitably by locally heating or solvating the extension to deflectable condition within the pad interior.
U.S. Pat. No. 4,416,398 discloses a plural spray rate aerosol assembly for use with an aerosol container having a plural spray rate valve. The assembly comprises an actuator button having a terminal orifice connected through a valve stem to the plural spray rate valve for enabling a first discharge rate of the aerosol product from the terminal orifice upon opening the valve in a first position and for enabling a second discharge rate of the aerosol product from the terminal orifice upon opening the valve in a second position. An overcap is rotatably secured to the aerosol container and includes a finger actuator movably mounted relative to the overcap. A non-symmetrical aperture is disposed in either the actuator button or the finger actuator for cooperation with a non-symmetrical element in the other of the actuator button and the finger actuator. The non-symmetrical element is inhibited from entering the non-symmetrical aperture f

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