Abstract: An applicator has a body member, the body member being adapted at one end for connection to a container of extrudable material, the body member defining an open bore extending from said one end to an opposite end, the opposite end of the body member defining a boss formation, a cap formation slidably engaging the boss formation for movement axially thereof, between a first position and a second position, the cap formation having a cylindrical side wall and an end wall which closes the bore through the body member, the side wall defining an outlet orifice which opens to the bore through the body member laterally of axis of the bore and a formation on the body member extending longitudinally of the bore within the cap formation, for closing the outlet orifice, when the cap formation is in its first position, the outlet orifice being opened by movement of the cap formation to its second position.