WATER PIPE FOR STRUCTURE

摘要

PURPOSE: An interlayer drainpipe for a building is provided to enable easy attachment and detachment at the location of a malfunctioning interlayer drainpipe. CONSTITUTION: An interlayer drainpipe for a building comprises an upper drainpipe(10), a lower drainpipe(30), and a length adjustment nut(20). The upper drainpipe is formed with an external screw thread. The lower drainpipe has an external diameter designed for the insertion of the upper drainpipe. The length adjustment nut engages with a screw thread formed on the external diameter of the upper drainpipe. The length adjustment nut controls the insertion length of the lower drainpipe.