| 摘要 |
PROBLEM TO BE SOLVED: To provide a space-saving exhaust nozzle capable of safely performing local ventilation even in the case of flammable gas such as a volatilized solvent in a printer.SOLUTION: An exhaust nozzle includes a first cylinder part that has a cylindrical inner surface, and a second cylinder part that has a truncated cone-shaped inner surface and that has a large diameter-side end of the truncated cone-shaped inner surface connected to one end of the cylindrical inner surface of the first cylinder part. The cylindrical inner surface of the first cylinder part is provided with an air supply opening for supplying gas in the circumferential direction of the cylindrical inner surface. |
