| 摘要 |
A method of and an aerosol dispenser produced by purging a container which is to be filled with a substance to be dispensed and a high pressure propellant. A valve is placed on the container and prior to sealing it onto the container an amount of high pressure propellant is introduced into the container. The propellant is allowed to expand thereby forcing air out of the container through the unsealed connection between the valve and the container. The valve is then sealed onto the container.
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