Small rechargeable aerosol container - combining large-volume aerosol with small-volume aerosol

摘要

Small aerosol container which can be recharged from a large aerosol container contains a flexible bag which is permeable to the gaseous phase of the propellant, pressure within the container reservoir being greater than that produced by the propellant mixt. outside the flexible bag in the small container. The propellant in each container pref. consists of a mixt. of two identical gases in different proportions, the higher pressure mixt. being disposed in the large container. The flexible bag may be made of polyethylene, and the discharge valve may also be used as the recharging valve.