(57) Abstract Objective It is efficient with simple structure with the little wash water the tubeClean inside. Constitution The hose which supplies the high tension water to be jointed, the said high tensionIn the axis 1 which allows the percolation of the water and the said axis 1 relative time dynamic possibilityBeing installed, you push in the inside of pipe wall surface 10 which, is the cleaning target attachingWhile the ke and others re sleeve helically alongside the said inside of pipe wall surface, revolving luckThe nozzle head 2 which does motion and the flying nozzle equipment which consists ofIn the position, in nozzle head 2, su which comes in contact with inside of pipe wall surfaceThe scale scrape tool 3 which scrapes the kale aforementioned motion of the earth about a vertical axis oneAs it directs to direction and sudden facilities does, make the aforementioned high tension water injectSo nozu which gives the driving force of aforementioned motion of the earth about a vertical axis to the said nozzle headThe injection hole 21,22 for ru propulsion was provided. Nozzle head 2In the inside of pipe wall surface 10 where you can push the said nozzle head oppositeDoing, those which provide the injection hole for cleaning which makes the high tension water inject openThe ru which it shows.
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