JOINTING UNIT FOR PERFORATED PIPE LINES

摘要

PROBLEM TO BE SOLVED: To provide a jointing unit used for changing the direction of hollows of perforated pipe lines constituted by connecting many concrete perforated blocks hollows in parallel. SOLUTION: This jointing unit is made up of a jointing block 13, which has hollows 17 arranged at the same position with a perforated block and one end surface of which faces an end of the perforated block to be connected, and resin pipes 15, which is provided in a unified from on the other end surface of this jointing block 13 is such a manner that each hollow 17 is extended. Connected with the perforated block, the joint block 13 is used with flexible corrugated pipes 15 connected by pipe joints. This makes it possible to change the direction of the hollows at random.