ANGULAR COMMUNICATING TUBE AND METHOD FOR LAYING THE SAME

PROBLEM TO BE SOLVED: To provide an angular communicating tube in order to solve such problems that in the existing halved communicating tube, labor hours are required since operation to enlarge an interval between stirrups or marking operation has to be performed.SOLUTION: In this angular communica...

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Bibliographische Detailangaben
Hauptverfasser:	SAKAI KAZUMASA, OBATA ERIKO, KUROZUMI MANABU, MORITA TORU, IDENO TETSUYA, FUKUDA RYOSUKE, HAMADA RIHIRO, OGAWA HIROAKI
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 provide an angular communicating tube in order to solve such problems that in the existing halved communicating tube, labor hours are required since operation to enlarge an interval between stirrups or marking operation has to be performed.SOLUTION: In this angular communicating tube 1, the shape of the uniform cross-sectional surface 1c in the short-side direction of the communicating tube allowing communication between underground pits is formed into a rectangular shape having width falling within the interval between the stirrups and opened lower portions 1a, and also the lower portions 1a of the communicating tube are formed with seal placing margins 1b for affixing seal members 2 so that the seal members 2 for positioning and fixing the communicating tube 1 by allowing the lower portions 1a to abut on a concrete surface fall within the width of the communicating tube 1.