| 摘要 |
A device (X) for cleaning a tube according to the present invention comprises a body (13) supporting an ejector and mounted on the insertion end (12a) of a cleaning hose (12) which is to be inserted into the tube so that the device can propel itself and so that the ejector (18) can guide itself easily along the peripheral inner wall of the tube, the ejector (18) being supported by its body and having a first injection hole (20) pointing at the inner wall of the tube, and an elongate component (25) for guiding the ejector, to which it is fixed at one end, where second injection holes (15) are formed in an oblique direction next to the tubular part (13a) of the ejector supporting body to enable the cleaning device to propel itself. <IMAGE> |
