Pipe adaptor and installing device

摘要

An adaptor for extending a pipe through a barrier and securing the pipe therein which comprises a pipe segment having a leading end for insertion through the barrier and a trailing end to remain at the insertion side of the barrier upon insertion of the adaptor, each end being adapted to receive a pipe fitting. The leading end is provided with peripheral cutting teeth for boring a hole through and thereby penetrating the barrier upon rotation of the pipe around its longitudinal axis. An externally threaded section along the pipe is sized and configured to be self-threaded though the hole bored by the penetration end to secure the pipe therein and a stop is located toward the trailing end from the threaded section to engaging the outer surface of the barrier to stop further penetration of the adaptor. An installation tool which may be rotationally driven by a hand drill is also provided. The tool holds the adaptor at the trailing end for rotation of the adaptor for drilling the hole and insertion of the adapter. The tool mounts a drill bit coaxially with the adaptor with the drill bit extending forward through the bore of the adaptor beyond the leading end thereof for drilling a pilot hole as a guide for drilling of the larger hole concentric therewith by the adaptor.