PROBLEM TO BE SOLVED: To provide a fume generator for forming a required fume without causing any accidents and without dew being condensed on a floor, etc., when in use, a fume generating method using the generator, an expression device using the fume and an expression method using the fume. ;SOLUTION: Plural spray nozzles 4 for jetting a pressurized liquid and a pressurized gas from their tips 4c to generate a fume are angled so that the extensions of the nozzles 4 cross one another, and the collision area of the sprays jetted from the nozzles 4 is formed by this fume generator.;COPYRIGHT: (C)2001,JPO
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