| 摘要 |
PURPOSE:To prevent an elastic connecting metal fitting from taking out from a piping in error, in a piping connecting structure which is formed in such constitution that a pair of piping are fitted together so as to pile flanges formed on the pipings respectively, the elastic connecting metal fitting formed in a nearly annular shape, having fitting grooves and having ends on the intermediate part in width direction, and the flanges are fitted in the fitting grooves. CONSTITUTION:An elastic engaging tooth 44 whose top end extends toward the outer circumferential surface of flanges 20, 26 in fitting condition of pipings 10, 12, is provided on each end part of an elastic connecting metal fitting 30, and the elastic fitting tooth 44 is engaged with the outer circumferential surfaces of the flanges 20, 26 in mounting condition of the elastic connecting metal fitting 30. |
