METHOD AND STRUCTURE FOR TEMPORARILY CONNECTING GAS PIPE

PROBLEM TO BE SOLVED: To easily, rapidly and temporarily connect both pipes which are stepped in diameter, i.e., an existing gas pipe and a new gas pipe at a low cost by providing lightweight temporarily connecting tubular members which are classified into group as small in number as possible. SOLUT...

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Bibliographische Detailangaben
Hauptverfasser:	SHIOJI HIROFUMI, KISHIMOTO YUJI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To easily, rapidly and temporarily connect both pipes which are stepped in diameter, i.e., an existing gas pipe and a new gas pipe at a low cost by providing lightweight temporarily connecting tubular members which are classified into group as small in number as possible. SOLUTION: In temporarily connecting the new gas pipe 2 buried in a shallower layer than the existing gas pipe 1 with an end portion of the underground existing gas pipe 1, two elbows 3 and 4 to be connected to the end portion of the existing gas pipe 1 and the end portion of the new gas pipe 2 via first and second pipe joints 9 and 21, at least one straight short pipe 32 disposed between the elbows 3 and 4, and a housing type pipe joint 15 to butt-joint end portions of the elbows 3 and 4 and the straight short pipe 32 to each other are prepared, and the end portions of the existing gas pipe 1 is connected to the end portion of the new gas pipe 2 using the two elbows 3 and 4, or using the two elbows 3 and 4 and at least one straight short pipe 32.