TEST PLUG FOR PIPES

摘要

A test plug assembly for testing the internal integrity of a segment of pipe having an internal diameter, the assembly comprising an annular body with opposite annular face and defining on its outer perimeter, a recess a pair of bosses, a pair of resilient annular members adapted to be respectively juxtaposed between a boss and annular face means for urging the bosses respectively against the resilient annular members so as to urge the same to frictionally engage and to seal against the internal diameter of the pipe segment and, means communicating through the assembly to that plenum now defined by said recess and the internal diameter of the pipe whereby the integrity of the pipe segment may be determined.