Patent ID: 7481333
Filing Date: 2009-01-27
Classification: B05C,B65D,Y10T

Abstract:
1. A propellant actuated fluid cartridge for storing and dispensing two fluids, comprising: a can having an opening formed thereon and having a sealed end opposite the opening; a stationary cartridge disposed within the can, wherein the stationary cartridge defines an outlet in communication with the opening formed in the can; a delivery tube disposed within the stationary cartridge and defining an outlet that is co-located with the outlet defined by the stationary cartridge; a first piston disposed between the interior of the stationary cartridge and the exterior of the delivery tube forming a fluid chamber for a first fluid; a moveable cartridge having a closed end and a sidewall, wherein the moveable cartridge is disposed within the stationary cartridge between the first piston and the sealed end of the can and wherein the moveable cartridge sidewall is connected to the first piston and has at least one passageway formed therein; a compression wall disposed within the interior of the moveable cartridge between the first piston and the closed end of the moveable cartridge, wherein the compression wall and the moveable cartridge define a second fluid chamber for a second fluid; a propellant disposed within the can; and a valve attached to the opening of the can.