| 摘要 |
PROBLEM TO BE SOLVED: To obtain a spray coating spray gun adaptive to every spray coating materials. SOLUTION: An air nozzle 2 holding the center line C of a material jetting nozzle 1 in common is provided inside the inlet of the nozzle 1, the inner peripheral surface of the nozzle 1 and the outer peripheral surface of the air nozzle 2 are circumferential surfaces having the same diameter, the nozzle 1 is provided on the central part of a dish like cap 4 provided at the tip of a material flow pipe 3, the tip surface 2' of the air nozzle 2 is a plane 2" crossing the center line C at right angles and an air jetting port 2b is provided at the center part of the plane 2".
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