Flächiges Mehschicht-Dämpfungselement und Verfahren zur Befestigung dieses Elementes auf einem zu entdröhnenden Blech

摘要

The invention relates to a sound deadening film (2) comprising at least two layers (3, 4) of which the first layer (3) of the sound deadening film (2) that is specified for the largest possible all-over application to the metal sheet (1) to be sound deadened has a property which permits its volume to expand when subjected to a heat treatment. In order to simplify the pre-assembly of the film (2) on the metal sheet (1) to be sound deadened, the invention provides that the sound deadening film (2) is equipped with spacers (8) which are fastened to the second (or other) layer (3) and which are provided with means (9, 13) for fixing the sound deadening film (2) to the metal sheet (1) to be sound deadened.