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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Hauptverfasser: KEMIZAKI KAZUHIRO, TANIGUCHI YASUYUKI, KOBAYASHI RYOJI, HIRAYAMA ATSUO
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creator KEMIZAKI KAZUHIRO
TANIGUCHI YASUYUKI
KOBAYASHI RYOJI
HIRAYAMA ATSUO
description 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
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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. 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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</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects 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
title METHOD OF PRODUCING MULTIPLE LAYER-COATED CURVED METAL PIPE
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