Acoustic element for use with vibration decoupling device of exhaust line of car, has circular ring provided with strip, and crenel interposed between circular ring and strip, where crenel comprises connection base with axial edge

摘要

The element (18) has a circular ring (19) provided with a strip (24). A crenel is interposed between the circular ring and the strip. The crenel comprises a connection base with an axial edge for providing a connection between the crenel and the strip. The strip comprises a parallelepiped flap that is provided with two large sides and two small sides, where the proximal length of the two large sides is greater than the distal length of the small sides. The circular ring comprises a connection element with a collar e.g. upstream or downstream collar, of a vibration decoupling device (11). An independent claim is also included for a method for realizing an acoustic element.