| 摘要 |
PROBLEM TO BE SOLVED: To integrally house a second component such as a vacuum tank 2 in a resonator 1 without using a metal bracket, a screw, or the like, simplify attachment to a vehicle body and facilitate recycling. SOLUTION: A whole of a resonator 1 is formed in a hollow tank shape by polypropylene, and a cylindrically recessed component housing recessed part 21 is formed on its upper face. The separately formed cylindrical vacuum tank 2 is inserted inside the component housing recessed part 21 and it is held down by a fixing plate 26. The fixing plate 26 is made of polypropylene and it is fixed by detachably engaging clip parts 28 of both end parts to an attaching hole 25 of the resonator 1. There is no need to attach the vacuum tank 2 individually to the vehicle body, and it can be easily separated when recycling.
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