| 摘要 |
PURPOSE: To keep a sealing material elastic and the sealing pressure adequate for a long time by forming a gap packed with a sealing material between the peripheral surface of the housing of the valve and the inner peripheral surface of an inside container or that of the container body. CONSTITUTION: A double aerosol container A is formed by putting a part in the vicinity of the upper end of an inside container 2 in a manner of clipping it between a housing 5 of a valve 3 and a container body 1 so as to make a cap 4 fix the valve 3 and inside container 2 to the container body 1. A packing 32 is set in an annular groove 31 formed in the periphery of the housing 5 and put circumferentially in tight contact with the inner peripheral surface of the inside container 2. A lower part 8 of the cap 4 is clinched in a fastening groove 9 in the periphery of the container body 1 with the interposition of an O-ring 28. This constitution enables selecting an adequate sealing pressure independent of the power applied to the caulking in attaching the valve 3 to the container body 1 so that the solution or propellant inside the inside container 2 can be prevented from leakage for a long time. |
