PIPING STRUCTURE, PIPING CONNECTION METHOD, AND FUEL SUPPLY DEVICE

To suppress infiltration of water into an underground tank.SOLUTION: A piping structure 40 is connected to a rising pipe 20 of an underground tank 12. The piping structure 40 includes: a resin connection pipe 50 which has a lower end part 76 connected to an upper end flange 30 of the rising pipe 20,...

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Bibliographische Detailangaben
Hauptverfasser:	OTOMO TADAHARU, ENDO KINICHIRO, YAMAGUCHI KENTARO, KOBORI MASAKI, YAMADA TADAHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR BLASTING BOTTLES, JARS OR SIMILAR CONTAINERS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISEPROVIDED FOR EMBANKMENTS ENGINEERING ELEMENTS AND UNITS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HANDLING THIN OR FILAMENTARY MATERIAL HEATING HYDRAULIC ENGINEERING JOINTS OR FITTINGS FOR PIPES LIGHTING LIQUID HANDLING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING OPENING, CLOSING PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PIPES SOIL SHIFTING STORING SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING UNDERGROUND OR UNDERWATER STRUCTURES WEAPONS
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Beschreibung
Zusammenfassung:	To suppress infiltration of water into an underground tank.SOLUTION: A piping structure 40 is connected to a rising pipe 20 of an underground tank 12. The piping structure 40 includes: a resin connection pipe 50 which has a lower end part 76 connected to an upper end flange 30 of the rising pipe 20, and in which a lower end flange part 78 is formed at the lower end part 76; a lower end flange 52 provided at an outer periphery of the connection pipe 50; and a fastening member 104 inserted in a fastening hole 102 of the upper end flange 30 and a fastening hole 80 of the lower end flange 52, and for sandwiching the lower end flange part 78 between the upper end flange 30 and the lower end flange 52 and fastening them.SELECTED DRAWING: Figure 4 【課題】地下タンクの内部への水の浸入を抑制する。【解決手段】地下タンク１２の立上げ管２０に接続される配管構造４０であって、配管構造４０は、立上げ管２０の上端フランジ３０に接続される下端部７６を有し、下端部７６に下端鍔部７８が形成される樹脂製の接続管５０と、接続管５０の外周に設けられる下端フランジ５２と、上端フランジ３０の締結穴１０２および下端フランジ５２の締結穴８０に挿通され、上端フランジ３０と下端フランジ５２の間に下端鍔部７８を挟み込んで締結する締結部材１０４と、を備える。【選択図】図４