SOUND ABSORPTION STRUCTURE

To provide a sound absorption structure which provides good sound absorption efficiency by using sound absorbency of air, and can be stably held.SOLUTION: A sound absorption structure 1 has a porous body 2, and an air bubble buffer material 3 laminated on the porous body 2. The porous body 2 has a t...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: TAKEUCHI FUMITO, KIMURA TERUTAKA, MIYATAKE HIROYUKI
Format: Patent
Sprache:eng ; jpn
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:To provide a sound absorption structure which provides good sound absorption efficiency by using sound absorbency of air, and can be stably held.SOLUTION: A sound absorption structure 1 has a porous body 2, and an air bubble buffer material 3 laminated on the porous body 2. The porous body 2 has a thickness of 1-100 mm and a basis weight amount of 10-10000 g/m. The air bubble buffer material 3 is constituted with one or a plurality of air bubble buffer material sheets. A granular part 3a containing air of the air bubble buffer material sheet has a height of 1-50 mm and the basis weight amount of 10-1000 g/m, when the air bubble buffer material 3 is constituted with one air bubble buffer material sheet. A total of the granular parts of mutually overlapping all air bubble buffer material sheets has the height of 1-50 mm, and each of the air bubble buffer material sheets has the basis weight amount of 10-1000 g/mrespectively, when the air bubble buffer material 3 is constituted with the plurality of air bubble buffer material sheets.SELECTED DRAWING: Figure 1 【課題】空気の吸音性を利用して良好な吸音効果が得られるとともに、安定的に保持することができる吸音構造体を提供する。【解決手段】吸音構造体1が、多孔体2と、多孔体2に積層された気泡緩衝材3と、を有する。多孔体2は、厚さが1〜100mmで目付量が10〜10000g/m2である。気泡緩衝材3は、1枚または複数枚の気泡緩衝材シートで構成され、気泡緩衝材3が1枚の気泡緩衝材シートで構成されている場合の当該気泡緩衝材シートの空気を内包する粒状部3aの高さが1〜50mmで目付量が10〜1000g/m2であり、気泡緩衝材3が複数枚の気泡緩衝材シートで構成されている場合の、重なり合う全ての気泡緩衝材シートの粒状部の高さの合計が1〜50mmで、個々の気泡緩衝材シートの目付量がそれぞれ10〜1000g/m2である。【選択図】図1