| 摘要 |
Improvements in or relating to an aerosol dispensing valve comprising a body of resilient plastics material connected to a rigid or metal cup for connection to a container (bottle), a partially hollow stem provided with transverse holes, movable against a spring in the tubular body, and partially projecting from the latter through a passage in the cup, and a resilient annular seal or gasket located between the cup and tubular body and, at inoperative condition of the valve, shutting off the communication between the inside and outside of the container or bottle and against which the end of the body adheres. At the end portion of the tubular body facing the cup and externally of the body a crown gear having inclined lower face is provided which adheres against a continuous inclined surface of an inner projection of the cup.
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