METHOD OF PRODUCING MULTIPLE LAYER-COATED CURVED METAL PIPE

PROBLEM TO BE SOLVED: To produce a multiple layer resin-coated curved metal pipe in which a multiple layer coat having an epoxy resin, a thin film layer of a heat melting adhesive, and a thick film layer of a polyolefin is applied on the peripheral surface of a curved metal pipe. SOLUTION: An incomp...

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Bibliographische Detailangaben
Hauptverfasser:	KEMIZAKI KAZUHIRO, TANIGUCHI YASUYUKI, KOBAYASHI RYOJI, HIRAYAMA ATSUO
Format:	Patent
Sprache:	eng
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 INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS JOINTS OR FITTINGS FOR PIPES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 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 produce a multiple layer resin-coated curved metal pipe in which a multiple layer coat having an epoxy resin, a thin film layer of a heat melting adhesive, and a thick film layer of a polyolefin is applied on the peripheral surface of a curved metal pipe. SOLUTION: An incompletely cured anchor layer 2 of a curable epoxy resin is formed on the peripheral surface of the curved metal pipe 1, and a provisionally assembled multiple layer coat 5 in which the thin film layer 3 of the heat melting adhesive and the thick film layer 4 of the polyolefin are arranged in an adhesive state is formed on the layer 2. After that, by induction-heating the curved metal pipe 1 under the coat with an induction coil 25, the complete curing of the anchor layer 2 by heat conduction from the curved metal pipe and interlayer joining by the melting of the adhesive are advanced simultaneously, so that the coat 5 is completed in an integrated multiple layer coat, and the multiple layer-coated curve metal pipe is produced. COPYRIGHT: (C)2004,JPO