| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure of a connecting part of a cleaner hose in which connection is not easily disconnected without using an adhesive and the work for connection can be easily performed. SOLUTION: An annular fitting part 5 for fitting outward while the inner diameter of the cleaner hose is expanded by rotating the apex of the cleaner hose 3 and an annular cover part 6 for covering the outer face of this fitting part 5 at a specified interval are formed on one end side of a connecting tool 2 and a spiral projection part 7 projecting to the fitting part side and for preventing the cleaner hose 3 from moving from the fitting part 5 to the fitting release side of the cleaner hose 3 by bringing the outward fitted cleaner hose 3 into contact with the projecting part is formed.
|
