| 摘要 |
PROBLEM TO BE SOLVED: To provide a duct which can prevent vibration from being transmitted between units, brings about reliability, productivity and reduction of its manufacturing cost, and provide manufacturing method for the same. SOLUTION: This type of duct is composed of a pair of cylindrical inner rings, a resin-made first duct member 10 provided with a fitting portion 14 at its front to which the inner ring is fitted, a resin-made second duct member 20 having a fitting portion 24 at its front to which the inner ring is fitted, and a first connection part 32 arranged on one of the ends, fitting to an outer periphery of the fitting portion 14 of the first duct 10. A rubber third duct 30 has a second connection part 35 arranged on the other of the ends, fitting to the outer periphery of the fitting portion 24 of the second duct 20. Hose clamps 45 are arranged for fastening the connection parts 32, 35 of the third duct 30 fitted to the fitting portion 14 of the first duct 10 and the fitting portion 24 of the second duct 20, respectively. |
