Sealable drain fitting

Claim 1

A floor drain, including a cylindrical drain body having external threads formed about an upper portion thereof, a flange extending radially outwardly from the upper end of said drain body and disposed flush with the floor surface, a threaded nut secured to said external threads of said drain body to engage the lower surface of the floor, said drain body including a lower bore portion adapted to receive the upper end of a waste discharge pipe, the pipe being secured therein by adhesive or the like, shoulder stop means extending inwardly from the upper end of the lower bore portion to limit the upward position of the waste discharge pipe and to expose the upper end surface of the waste discharge pipe, and sealant bead means disposed at the junction of said end surface and said lower bore portion to seal the assembly of the waste discharge pipe and said lower bore portion, said shoulder stop means including a plurality of shoulder stops extending radially inwardly in said lower bore portion and spaced circumferentially thereabout, said shoulder stops extending inwardly a distance which is less than the thickness of the wall of said waste discharge pipe.