B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
222/43
B65D 83/14 (2006.01)
Patent
CA 1137042
ABSTRACT A dispenser for liquid, gaseous or powdered materials comprises a pressure vessel containing an upper tank containing material to be dispensed and a lower tank containing propellant. The material tank is movable along the inside walls of the pressure vessel in sealing engagement with the inside walls and is provided with an easily frangible portion at its upper end. The propel- lant tank is a rigid tank which holds the propellant under pressure. The bottom of the pressure vessel has a manually operable pricking member which when operated pierces the propellant tank to release the propellant which forces the material tank upwardly. A further pricking member which may be a nozzle tube at the top of the pressure vessel then engages and rips open the material tank. The material can then be dispersed in the usual way by operating a finger controlled valve. Both tanks may be replaced with full ones after use simply by unscrewing the bottom of the pressure vessel.
365425
Szabo Miklos
Weiperth Vilmos
Fetherstonhaugh & Co.
Szabo Miklos
Weiperth Vilmos
LandOfFree
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