B65D 83/267

Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant {for a product delivered by a propellant} characterised by the actuating means operating automatically, e.g. periodically {by a separate device actuated by repeated, e.g. human, input, e.g. by a moving wing of a door or window, a ringing doorbell, a flushing toilet}