Pharmaceutical or cosmetic aerosol spray - has medium and propellant aerosol kept separate before vaporisation of aerosol material

摘要

The aerosol device uses a normal aerosol container whose outlet valve is connected to a container for the spray material. The container is screwed to a nozzle piece, which can be pushed from above to operate the aerosol nozzle conventionally. The propellant passes up through a bore which at its upper end branches off to meet another bore for the spray material. The material which passes up the second bore is replaced by air entering the container through a narrow inlet bore. The propellant and spray material are thus stored and kept separately. The nozzle attachment can easily be removed from the container.