| 摘要 |
<p>The invention is concerned with a flexible joint to be used for the exhaust system of an internal combustion engine in, for example, automobile, etc., and aims at providing such flexible joint which has good durability and is easy in assembling the structural parts and in setting the spring constant. The flexible joint according to the present invention is of such a construction, comprising the bellows 1 in wave-form in its cross-section, a cylindrical blade 2 covering the outer periphery of the bellows, and ring-shaped protector 3a, 3b fittingly held on the outer periphery at both end parts of the blade, the both end parts of the blade being made to run on and along the outer periphery of the end part 10 of the bellows 1, wherein the blade and each protector are overlayed and closely put together on the lateral side surface 11 of the ridge part of both end parts of the wave-shaped bellows, and at least one of the protectors and the blade 2 are subjected to the spot-welding, or other means, to integrally fix them at their overlayed portion.</p> |
