| 摘要 |
PROBLEM TO BE SOLVED: To repair a boundary part with other system parts from the total viewpoint while having an attachment tube as the center in repair of a sewerage system having an attachment tube repairing member in the attachment tube; and to secure water-tightness in the boundary part. SOLUTION: The repairing structure of the sewerage system includes the tubular attachment tube repairing member 20 introduced along a shape of the attachment tube 10, and a main tube/attachment tube boundary part repairing member 50 capable of being installed in the boundary part of a sewerage main tube 12 and the attachment tube 10 and having a main tube side part abutted against an inner peripheral surface of the main tube 12 and an attachment tube side part abutted against an inner peripheral surface of the attachment tube which are integrally formed, and an inner peripheral surface prescribed area of an end of the attachment tube repairing member 20 on the main body 12 side is an adhesiveness improved area (P), and the main tube/attachment tube boundary part repairing member 50 has a form capable of being water-tightly installed in the adhesiveness improved area of the attachment tube repairing member 20. COPYRIGHT: (C)2008,JPO&INPIT
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