| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent exposure of a piping material inside as a curved part protective cover and another protective are disconnected from each other at the time when the piping material stored in the curved part protective cover is curved. SOLUTION: A thin and cylindrical curved part protective cover C1 on both end parts of a bellows part 1 of which connecting parts 2 are provided is formed, an engagement groove 5 to engage with engagement projected line 17 provided on a base 13 of an accessory cover is provided on a bottom surface part of the connecting part 2, the connecting part 2 is restricted to move in the longitudinal direction (the connecting direction), a contact part 4 to make the connecting part 2 contact with an outer peripheral surface of a water supply pipe P is provided, and movement of the connecting part 2 in the radial direction of the water supply pipe P is regulated.</p> |
