| 摘要 |
PROBLEM TO BE SOLVED: To always spray a powdery material including effective components by a specified quantity and improve its usability by equipping a constant quantity spray type valve in an aerosol device in which the powdery material is contained. SOLUTION: This aerosol device 1a is constituted of a close-ended cylindrical container body 26 filled with the contents including a powdery material A, a valve 3a, a spray button 4, and a tube 20 provided with a residence means 5. The constant quantity spray type valve 3a is equipped and the tube 20 in which a nearly spiral bent 21 is formed is fitted to the valve 3a. The powder A of the contents held therein can be sprayed by a specified quantity. When the spray button 4 is depressed, a tank 28 is deformed by the vapor pressure of the liquefied gas in the container body 26, led through a communication hole 33 and the contents in a constant volume chamber 31 are sprayed from a nozzle 18 through a hole 30, a communication hole 32, and a spraying passage 17. |
