CIRCULAR MULTIPLE DRAIN PIPE WITH NON-WOVEN FABRIC AND A METHOD FOR PACKING THE NON-WOVEN FABRIC WHICH PREVENTS SOIL OR FOREIGN SUBSTANCES FROM FLOWING INTO A TUBE BUNDLE

摘要

PURPOSE: A circular multiple drain pipe with non-woven fabric and a method for packing the non-woven fabric are provided to prevent the non-woven fabric from widening without bending when an operator carries or buries the circular multiple drain pipe.;CONSTITUTION: A circular multiple drain pipe(10) with non-woven fabric comprises the non-woven fabric(20) tying an S-shaped drain pipe member(11) into bundles and burying in the ground. One side of the non-woven fabric is formed in a pipe shape by sewing. The drain pipe member is inserted into the inside of the non-woven fabric. The adjacent position to both end portions of external non-woven fabric is bending-processed and is fixed.;COPYRIGHT KIPO 2013