SOUND PROTECTION SCREEN FOR MOTOR VEHICLE ENGINE COMPARTMENT

The invention relates to a screen (1) comprising: an external shell (2) based on a moulded thermoplastic material; an internal sub-layer (3) based on resiliently compressible moulded polyurethane foam, said sub-layer being associated with the rear side of said shell by over-moulding, the shell being based on a sheet of thermoformed thermoplastic material, said shell having a thickness between 0.2 and 1 mm, said shell optionally being: either a two-layered shell, said shell having an external layer (4) based on polyolefin, said external layer being provided at the side of said sub-layer, in order to allow adhesion between said shell and said sub-layer, with a rear layer (5) based on a thermoplastic material that adheres to said foam, or a single-layered shell, said shell being based on polyolefin, said rear side being subjected to a surface treatment that allows the adhesion to the sub-layer to be improved. 本发明涉及屏(1)，包括：模塑热塑性材料基外部壳(2)；可弹性压缩的模塑聚氨酯泡沫基内部底层(3)，所述底层通过重叠模塑与所述壳的背面结合，所述壳基于热成型的热塑性材料片材，所述壳具有0.2-1mm的厚度，所