A foam filling member that can hold a foam sheet (2) in a looped shape stably, without increasing the number of components, to provide improved vibration suppression and sound insulation. The strip-like foam sheet is formed in a looped shape by bending it,...

A sound damping unit (16) especially for use in vehicles, comprises a carrier material (4) and a shuttering material (2). The damping material forms an open cell structure, and has an absorption coefficient for sound in excess of 0.5. The shuttering and/or...

An acoustic insulation device for mounting in a tubular part of the bodywork of an automobile comprising a partitioning insert with around it a thermally expandable foam forming cord held in place by retaining means and including means of favorizing the ex...