POLYETHYLENE COATED STEEL PIPE

PROBLEM TO BE SOLVED: To materialize the easy removal of coating by separation and the threading on the coating. SOLUTION: As for a coated steel pipe laminating a modified polyethylene layer 2 and a polyethylene layer 3 in the order named onto the surface, which is treated, of a steel pipe, the temp...

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Bibliographische Detailangaben
Hauptverfasser:	KAYAZONO YOSHIHISA, FUNATSU SHINICHI, SATO HIROTAKA, SUEUCHI YASUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To materialize the easy removal of coating by separation and the threading on the coating. SOLUTION: As for a coated steel pipe laminating a modified polyethylene layer 2 and a polyethylene layer 3 in the order named onto the surface, which is treated, of a steel pipe, the temperature of the steel pipe at the coating of the modified polyethylene layer is set to be 120-160 deg.C. Accordingly, since the removal of coating by separation is easy and the threading on the coating is possible, the working properties of piping application by means of welded joint and threaded joint becomes good.