METHOD OF FORMING RESIN LINING ON INNER SURFACE OF EXISTING PIPE AND JIG FOR RESIN LINING

PROBLEM TO BE SOLVED: To provide a method of forming a resin lining to the inner surface of an existing pipe using a pig, capable of depositing a film having a uniform thickness in the circumferential direction of the resin lining film in spite of a simple method.SOLUTION: The method is for forming...

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Bibliographische Detailangaben
Hauptverfasser:	ITAGAKI MASAAKI, SHIGEFUJI TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 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 PERFORMING OPERATIONS PIPES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method of forming a resin lining to the inner surface of an existing pipe using a pig, capable of depositing a film having a uniform thickness in the circumferential direction of the resin lining film in spite of a simple method.SOLUTION: The method is for forming the resin lining film corresponding to a gap between an outer periphery of a pig and the inner surface of the pipe by using the pig having the diameter which is smaller than the internal diameter of the pipe, filling with the resin disposed forwardly of traveling direction of the pig inserted in the pipe to form the resin reservoir and move the pig by pressing the resin reservoir. The specific gravity of the pig is 0.3 to 0.7.