PROBLEM TO BE SOLVED: To provide a soundproof material which is durable for long-term use while preventing temporal deterioration in a severe environment without impairing moldability, for preventing noise around an engine of a vehicle, and a method of manufacturing a soundproof cover using the soundproof material.SOLUTION: A soundproof material 1 is formed by laminating an outer cover material layer 8 including a holding material 3 formed of woven cloth, a skin material 2 formed of a thermoplastic resin film, and an adhesive layer 4, on a soundproof material layer 9 including a first soundproof material 5a, a soft sound insulating material 6, a second soundproof material 5b, and a lining material 7, so as to locate the skin material 2 at the top.
【課題】自動車のエンジン回りの防音対策のために、成形性を損なうことなく、過酷な使用環境下にあっても経年劣化を抑制しつつ、長期にわたる使用に耐え得る防音材、及びそのような防音材を用いた防音カバーの製造方法を提供する。【解決手段】防音材1は織布からなる保持材3と熱可塑性樹脂フィルムからなる表皮材2、接着層4を含む外装材層8を、表皮材2が表面側に位置するように、第一吸音材5a、軟質遮音材6、第二吸音材5b、裏地材7からなる吸音材層9に積層する。【選択図】図2
SOUNDPROOF MATERIAL AND METHOD OF MANUFACTURING SOUNDPROOF COVER
防音材、及び防音カバーの製造方法
18.01.2016
Patent
Elektronische Ressource
Japanisch
IPC: | G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / 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 |
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