A cap for mounting on an aerosol container, which is able to automatically
release the gas remaining therein with a simple action, when the container
is to be discarded, said cap comprising a top plate member having a
periphery connected to an upper end portion of a tubular body, wherein
said top plate member has an aperture and a lid for closing the aperture,
said lid has a fixed end which is connected to a margin of the aperture
through a bendable line, such that the lid is able to turn from a first
position in which the lid closes the aperture, to a second position in
which the lid is protruding into the tubular body member so as to get in
touch with a top face of the discharge head that is depressed downwardly,
and the top plate member also has a stopper for fixing the lid in the
second position so as to keep the discharge head in such a pressed state.
