A sound insulation element for the wall of a vehicle body between the passenger compartment and the engine compartment has a front side facing the passenger compartment formed by the outer side of A plastic carrier layer, and a rear side which rests against the front wall formed by the outer side of a sound-absorbing layer. At least one holding-down projection projects from the plastic carrier layer at and/or offset from the edge of the hole of the carrier layer on the inner side of the plastic carrier layer facing away from the outer side of the plastic carrier layer facing the sound-absorbing layer, which is embedded in the sound-absorbing material of the sound-absorbing layer and whose free ends facing away from the plastic carrier layer are substantially aligned with the outer side of the sound-absorbing layer facing away from the plastic carrier layer.
Sound insulation element for the firewall of a vehicle body and support element for a sound insulation element of this type
2024-08-20
Patent
Electronic Resource
English
IPC: | B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES |
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