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Title Sewer Trenchless Partial Repair Technology Using Length Variable Repair Tool
Attached File 17NT-89_Sewer_Trenchless.hwp.pdf  File Download Date 2017-11-01
Contents 1. Overview

- The repair work is made possible by passing the fiber-reinforced liner manufactured by impregnating the repairing resin in glass fiber sheet for partial repair of damaged part of sewer pipe through small manhole and bending pipe
- Sewer pipe trenchless partial repair technology as mounted on the length adjustable repair tool using the principle inserting and then expanding the length to be repaired in the sewer pipe by closely contacting & hardening the fiber reinforced Liner.

For more information, see the attached file.
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