PERFORATED PIPE FOR PREVENTING BLOCKAGES

摘要

The present invention provides a perforated pipe for preventing blockages, which is embedded in the ground and has a circular section. The perforated pipe for preventing blockages includes: an outer pipe having a plurality of slits arranged with a predetermined interval so that underground water permeated into the ground is introduced thereinto; an inner pipe having a smaller outer diameter than an inner diameter of the outer pipe to be arranged in the outer pipe and having a plurality of support protrusions formed on an outer surface at a predetermined length to maintain a predetermined interval with an inner surface of the outer pipe; and a connecting pipe connecting the two adjacent outer pipes sequentially arranged in a longitudinal direction.;COPYRIGHT KIPO 2020