STEEL PIPE

PROBLEM TO BE SOLVED: To provide a steel pipe which can obtain high rust prevention performance on an inner surface of the steel pipe, and can more surely extend a lifetime of the steel pipe.SOLUTION: A steel pipe 100 is structured so that an inner part thereof is filled with a resin foam molding 15...

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Bibliographische Detailangaben
Hauptverfasser:	HASEGAWA HIROMI, NAGANUMA ISAO, SUEMATSU MASASHI, IDE MAKOTO, MIYAZAWA TAKEHIRO, HATSUMI OSAMU, HATSUMI MITSUZO, OKAMURA NOBUO, MATAYOSHI TETSUYA, KOBAYASHI KATSUYA, MAURIZIO CORTI, MARCO VOLPATO, TAKAISHI KAZUHIRO, MIYASATO KOEI, KIMURA TADASHI, SUZUKI SHINICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES FENCING FIXED CONSTRUCTIONS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MASTS PERFORMING OPERATIONS SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a steel pipe which can obtain high rust prevention performance on an inner surface of the steel pipe, and can more surely extend a lifetime of the steel pipe.SOLUTION: A steel pipe 100 is structured so that an inner part thereof is filled with a resin foam molding 152, and a resin foam molding 152a in the vicinity of an opening is in an overcrowded state.SELECTED DRAWING: Figure 2 【課題】鋼管内面において高い防錆性能を得ることができ、鋼管の寿命をより確実に長期化することが可能な鋼管を提供することを目的とする。【解決手段】本発明にかかる鋼管１００の構成は、内部に樹脂発泡成形体１５２が充填された鋼管１００であって、開口近傍の樹脂発泡成形体１５２ａが過密状態となっていることを特徴とする。【選択図】図２