DRAINPIPE FOR SEWERAGE, INSTALLING A FASTENING SPRING IN THE INSIDE OF THE DRAINPIPE FOR DRAINING SEWERAGE

摘要

Purpose: the drainpipe for drainage equipment is arranged to improve constructibility by installing a drainpipe on a straight line and a curve, soil pollution is prevented, by preventing a leak in the joint of a bending part. Construction: drainpipe (100) manufacture processing drainage equipment includes the following steps:: fixed circular frame (110) use mutually fastening spring (120) with hook (111); In fixed circular frame and fastening spring, after (130) of the injection adhesion on internal and external circumference; In spray adhesive, after the additional textile (140) on internal and external circumference; After additional textile, (150) of the accumulation rubber to internal and external circumference.