TIP PART STRUCTURE FOR PUSHING ROD IN BAMBOO PASSAGE TECHNIQUE

PROBLEM TO BE SOLVED: To provide a tip-part structure, for a pushing rod in a bamboo passage technique, in which the pushing rod can be pushed into smoothly without an interference or the like that the pushing rod twines around a stranded cable when the stranded cable such as a triplex cable is bamb...

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Bibliographische Detailangaben
1. Verfasser:	HANAWA YASUO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES 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 a tip-part structure, for a pushing rod in a bamboo passage technique, in which the pushing rod can be pushed into smoothly without an interference or the like that the pushing rod twines around a stranded cable when the stranded cable such as a triplex cable is bamboo-passed into an existing conduit. SOLUTION: A side edge at one end in the short width direction at a head body 1 whose long width side is rectangular, whose short width side is bow- shaped and which has a shape covering a stranded cable 4 installed already inside a conduit 5 is made thick and lightweight, a side edge on the other end in the short-width direction is made thin and heavy, and the side edge on one end which is thick and lightweight is directed to the twisting direction of the stranded cable 4 which is already installed inside the conduit.