Non-aerosol pressure dispenser
AssigneeJames D. Pauls and J. Claybrook Lewis and Associates, Limited
InventorsNicholas G. Capra, Ronald L. Antenore
Life of this patent
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Abstract
A non-aerosol pressure dispenser includes a pressurization chamber having a piston reciprocable therein and a manual actuator extends from outside the chamber into operative association with the piston. The actuator is reciprocable in a first direction to move the piston to compress a spring engaged therewith and to draw material into the chamber. The spring urges the piston in a second direction to pressurize the material in the chamber and a discharge valve or nozzle is connected with the chamber to release the pressurized contents thereof over a desired prolonged period of time and at a sufficient pressure to obtain a fine mist of the material.
Claims20
A dispensing device for dispensing material under pressure, comprises:
- a cap having fastening means thereon for attachment of the cap to an open end of a container of the material to be dispensed, said cap having an end wall for closing the open end of the container;
- an accumulating chamber carried by the cap in a position to extend through the container open end and into the container when the cap is fastened to the container;
- a piston reciprocable in the accumulating chamber for alternately drawing material into the accumulating chamber and then pressurizing the material to dispense it;
- a piston actuating rod connected with the piston and extending through the accumulating chamber;
- manually engageable piston actuating means outside the container and connected with the piston actuating rod to pull the rod and piston in a first direction outwardly relative to the container to enlarge the accumulating chamber volume and draw material from the container into the accumulating chamber;
- spring means engaged with the piston urging it in a second direction to pressurize material drawn into the accumulating chamber, said piston being movable in the second direction independently of the actuating rod;
- and discharge nozzle means connected with the accumulating chamber for selectively releasing the pressurized contents of the chamber.
A dispensing device for dispensing material under pressure, comprises:
- a cap having fastening means thereon for attachment of the cap to an open end of a container of the material to be dispensed, said cap having an end wall for closing the open end of the container;
- an accumulating chamber carried by the cap;
- a piston reciprocable in the accumulating chamber for alternately drawing material into the accumulating chamber and then pressurizing the material to dispense it;
- a piston actuating rod connected with the piston and extending through the accumulating chamber and through the cap to outside the container;
- reciprocable, manually engageable piston actuating means outside the container and connected with the piston actuating rod to reciprocate the rod and piston in a first direction to draw material from the container into the accumulating chamber;
- spring means engaged with the piston urging it in a second direction to pressurize material drawn into the accumulating chamber, said piston and rod each being movable in the second direction independently of the other, in any reciprocated position thereof between fully extended positions;
- and discharge nozzle means connected with the accumulating chamber for selectively releasing the pressurized contents of the chamber.
Dependencies are inferred from the claim text.