SOUND ABSORPTION BUILDING MATERIAL

• Main Authors: OSHIMA KATSUTO, KOTANI TAKUYA, IWAMOTO RYO, TAMAMURA KOZO, HARA KOHEI, SHIMODA TOMOYA
• Format: Patent
• Language: English; Japanese
• Published: 13.10.2022
• Subjects: ACOUSTICS; ACOUSTICS NOT OTHERWISE PROVIDED FOR; BUILDING; CEILINGS; FIXED CONSTRUCTIONS; FLOORS; GENERAL BUILDING CONSTRUCTIONS; INSULATION OR OTHER PROTECTION OF BUILDINGS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; MUSICAL INSTRUMENTS; PERFORMING OPERATIONS; PHYSICS; ROOFS; SOUND-PRODUCING DEVICES; TRANSPORTING; WALLS, e.g. PARTITIONS

To restrict a manufacturing cost and make pin holes hardly visible.SOLUTION: A sound absorption building material comprises a plate-like substrate 10 constituting rock wool having multiple bottomed pin holes P on one surface and a surface coating film layer 20 provided on one surface side of the plate-like substrate 10, and the surface coating film layer 20 contains granular aggregates.SELECTED DRAWING: Figure 1 【課題】製造コストを抑制して、ピン穴を目立ち難くする。【解決手段】一方の表面に有底のピン穴Ｐが多数形成されたロックウールからなる板状基材１０と、板状基材１０の一方の表面側に設けられた表面塗膜層２０とを備え、表面塗膜層２０には、粒状の骨材が含有されている。【選択図】図１