BAND-SHAPED MEMBER FOR HELICAL PIPE AND METHOD FOR REGENERATING EXISTING PIPE

A strip member is provided that can be made into a spiral pipe with an enlarged perimeter by being spirally wound. A first fitting portion 93 is disposed in one end portion of a cross-section orthogonal to an extending direction of a strip member 90 and a second fitting portion 94 is disposed in the...

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Bibliographische Detailangaben
Hauptverfasser:	MIYATAKE Yuuta, SUGIYAMA Yoshirou, BABA Tatsurou, SUGAHARA Hiroshi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A strip member is provided that can be made into a spiral pipe with an enlarged perimeter by being spirally wound. A first fitting portion 93 is disposed in one end portion of a cross-section orthogonal to an extending direction of a strip member 90 and a second fitting portion 94 is disposed in the other end portion of the cross-section. A spiral pipe 9 is made by spirally winding the strip member 90 and fitting the second fitting portion 94 with the first fitting portion 93 preceding by one turn. The strip member 90 has a cross-sectional configuration in which a reference width direction W9connecting the first fitting portion 93 and the second fitting portion 94 on the cross-section is inclinable to an outer surface side toward the first fitting portion side when the strip member is wound. Preferably, a neutral weak axis LN9of the cross-section is inclined to an inner surface side with respect to the reference width direction W9toward the first fitting portion 93 side.