WATER COLLECTING PIPE

摘要

PROBLEM TO BE SOLVED: To provide a water collecting pipe, which is not blocked by the corrosion of a pipe body and has such strength that it can be inserted and installed even when a bored hole wall collapses due to much spring water and the outflow of much sand and gravel. SOLUTION: The corrugated cross sectional shape of the pipe body of this water collecting pipe has continuous lugs and recesses at least on the outer surface of the pipe body and on the inner surface as required, and metal wires are buried in the thick parts of the lugs.