TEXTILE HOSE FOR REGENERATION AND METHOD OF CONSTRUCTING REGENERATED PIPE USING THE SAME

PROBLEM TO BE SOLVED: To provide a method of manufacturing a regenerated pipe by which even an existing pipe having relatively large diameter is regenerated, the regenerated pipe is the one with small variation of the quality, and the pipe which is regenerated uniformly without unevenness in the vie...

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Bibliographische Detailangaben
Hauptverfasser: HORI TOMOAKI, KAKEHASHI KOICHIRO, NAKAMURA NORIAKI, MURAKAMI KEISHI, OMURO HIDEKI, KANDA TOHEI, OCHI SATOSHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method of manufacturing a regenerated pipe by which even an existing pipe having relatively large diameter is regenerated, the regenerated pipe is the one with small variation of the quality, and the pipe which is regenerated uniformly without unevenness in the view from the longitudinal direction and the circumferential direction of one regenerated pipe and the method by which high quality regenerated pipe is manufactured.SOLUTION: A cylindrical textile layer formed by arranging a warp linearly or spirally in the longitudinal direction of a hose and bending a weft wave like and intersecting to the warp and a thermoplastic synthetic resin layer are provided inside a regenerating pipe and a textile hose having 5-20% diameter expansion in the hose radius direction is inserted. After that, the textile hose is heated and expanded in the diameter direction, so that the outer circumferential surface of the textile hose is brought into close contact with the inner peripheral surface of the regenerated pipe and is cooled while keeping the diameter expansion of the textile hose.