RESIN-COATED MOLD PIPE AND ITS MANUFACTURE

PROBLEM TO BE SOLVED: To perform bending mold a metal pipe having a resin coated part on its outer surface in a state without crinkling on the surface. SOLUTION: A metal pipe having a resin coated part 3 on its surface is held by a pulley-like bender 55 and a fastening die 54. Its periphery is sandw...

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Bibliographische Detailangaben
Hauptverfasser:	SEKIDO MASAHIRO, SAKATA MITSUHIRO, KATAYAMA MAMORU
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING BUILDING ENGINEERING ELEMENTS AND UNITS FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS FIXED CONSTRUCTIONS 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:	PROBLEM TO BE SOLVED: To perform bending mold a metal pipe having a resin coated part on its outer surface in a state without crinkling on the surface. SOLUTION: A metal pipe having a resin coated part 3 on its surface is held by a pulley-like bender 55 and a fastening die 54. Its periphery is sandwiched between a wiper die 53 and a pressure die 52. In such a state, core bars 7, 77 are inserted from one end side, while the other end is held by a chuck 6. The side of the chuck 6 is thus bent and molded. It is thus possible to mold a bending mold pipe without crushing nor crinkling at the resin coated part 6 on the metal pipe due to function of the core bars 7, 77 and dies 52, 53, 54, 55.