REHABILITATION PIPE OF EXISTING SEWAGE PIPE HAVING CORROSION-RESISTANT SEAL STRUCTURE

PROBLEM TO BE SOLVED: To provide a rehabilitation pipe of an existing sewage pipe having a corrosion-resistant seal structure for protecting a cut-off seal member and a coupling member (a collar) from sulfuric acid produced in the sewage pipe when a thin-walled FRP pipe is used for the rehabilitatio...

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Bibliographische Detailangaben
Hauptverfasser:	KANEUJI MAKOTO, OKAMOTO TATSUYA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a rehabilitation pipe of an existing sewage pipe having a corrosion-resistant seal structure for protecting a cut-off seal member and a coupling member (a collar) from sulfuric acid produced in the sewage pipe when a thin-walled FRP pipe is used for the rehabilitation pipe. SOLUTION: In a rehabilitation pipe 2 constituted by joining a fiber-reinforced plastic (FRP) ring and arranged in an existing sewage pipe, a corrosion-resistant seal member 7 is disposed on an outer circumferential part of a joint part between rings 5, and a cut-off seal member 10 and a collar 6 as a coupling member are successively disposed on the outer side thereof to join the rings 5. COPYRIGHT: (C)2004,JPO