Method for filling cavity in body shell of motor vehicle with acoustic damping material, involves filling cavity with flakes of acoustic damping material, where polyurethane foam is used for flakes injected into cavity

摘要

The method involves filling a cavity of a body shell of a motor vehicle with flakes of an acoustic damping material, where polyurethane foam is used for the flakes. The flakes are injected into the cavity. The flakes and an adhesive are inserted into the cavity, where a spraying adhesive is used.