| 摘要 |
A safety nozzle assembly for use on an aerosol can comprises a collar element and a button element. The collar element has an open lower end for closely fitting over the rim of the can. The button element has a plurality of radial protrusions or circumferentially extending slots on its outer surface which are engagable with an opposite plurality of radial protrusions or circumferentially extending slots on an inner surface of the collar element to prevent relative longitudinal movement between the collar element and the button element when the button element and the collar element are in a first rotational position with respect to each other and the protrusions are engaged with the slots. By rotating the button with respect to the collar, the protrusions can be disengaged from the slots and the button element then depressed to discharge pressurized contents from the can.
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