Patent ID: 11447326

Abstract:
A reusable dispensing container assembly, having a canister having a first end and a second end, the canister having an upper chamber to hold dispensable substance, an actuator arranged proximate the first end of the canister, in communication with the chamber, the actuator having a nozzle arranged to eject the dispensable substance, and, a deformable piston arranged within the canister below the upper chamber, the piston further arranged to sealingly engage an inner surface of the canister, the piston arranged for upward movement within the canister when the actuator is actuated, the deformable piston forming a lower chamber arranged to hold pressurized gas, the deformable piston comprising at least one integral external O-ring about its circumference arranged to sealingly engage the inner surface of the canister and maintain separation of the dispensable substance and the pressurized gas.