PROBLEM TO BE SOLVED: To provide a sound absorbing material capable of reducing sound leakage to a vehicle cabin.SOLUTION: A sound absorbing material 20 in which an impact absorbing material whose surface has a recessed part is placed includes a protruded part 25 provided at a position facing the recessed part on a surface being in contact with the impact absorbing material, in a state where the impact absorbing material is placed so as to be in contact with the surface having the recessed part.SELECTED DRAWING: Figure 3B
【課題】車室への音漏れを軽減することが可能な吸音材を提供する。【解決手段】表面に凹み部を有する衝撃吸収材が載置される吸音材20であって、凹み部を有する面と接するように衝撃吸収材が載置された状態において、衝撃吸収材と接する面における凹み部に対向する位置に設けられた凸部25を有する。【選択図】図3B
SOUND ABSORBING MATERIAL
吸音材
12.01.2017
Patent
Elektronische Ressource
Japanisch
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