| 摘要 |
PURPOSE: To provide a small-sized piping washing device capable of being smoothly revolved in piping, having durability and capable of cutting wood or the like penetrating into the piping. CONSTITUTION: A tubular part 5 is formed to the main body 4 fixed to the leading end of a hose 2 and a rotor 6 is fitted and held to the tubular part 5 in a rotatable manner in such a state that rollers 7, 7a are arranged on both sides of the rotor 6. The rotor 6 has a rear part 6a and a front part 6b and the rear part 6a is formed so as to have a large diameter and a revolving jet orifice 22 is opened to the rear part 6a in the direction reverse to the front part 6b and the front part 6b is gradually contracted so as to continue to the rear part 6a to be formed into a tapered shape and a roller 14 is supported at the leading end part thereof in a freely rotatable manner and, further, an advance jet orifice 18 is opened toward the hose 2 of the rear of the main body 4. |
