PROBLEM TO BE SOLVED: To mix droplets even at a part where droplets cannot sufficiently mix on a coating surface with droplets.SOLUTION: A coater 1 comprises a head part having nozzles 5a, 5b that discharge liquids to discharge a first liquid of two-liquid type adhesive out of the nozzle 5a, and a second liquid of two-liquid type adhesive out of the nozzle 5b. These first and second liquids mix in air to form a mixture droplet 15 and are applied to a coating surface. The first and second liquids land after mixture and can therefore form a preferable adhesive surface on the coating surface. The first and second liquids can prevent nozzle clogs because of no single hardening. The coater 1 makes the first liquid collide with the second liquid in air to mix, thereby enabling discharge conditions to be adjusted individually.SELECTED DRAWING: Figure 1
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