| abstract |
A dispenser for dispersible materials that is capable of providing a burst of air dispersible material by means of an active dispenser and simultaneously dispersing the same material into the atmosphere by evaporation for a prolonged period of time, characterized in that the active dispenser is adapted to disperse air saturated by the action of a pump, air chamber or bellows, said saturation being achieved by evaporation of the dispensable material from a deposit of passively dispersible material to a separate tank for dispersion by the action of said pump, air chamber or bellows |