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Self-supporting sound absorption mat or panel - using laminate contg. polymers and/or rubber, and reinforcing ribs made of steel or elastomer
Self-supporting sound absorption mat or panel - using laminate contg. polymers and/or rubber, and reinforcing ribs made of steel or elastomer
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机译:自支撑吸音垫或面板-使用层压板续。聚合物和/或橡胶,以及由钢或弹性体制成的加强筋
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摘要
Carrier layer is made of a high density elastic material, e.g. a polymer or rubber, and is bonded to a layer of sound absorption material contg. open or closed pores between the two layers is a row of cavities contg. reinforcing ribs made of a stiff material which can carry static loads. Carrier layer pref. has Shore hardness 30-120, and is a panel 0.5-10 mm thick made from material with density 0.5-10 kg/dm3; and second layer is pref. a foamed elastomer with sound absorption coefft. alphasab =0.2-1.4. Ribs may or may not be equispaced, and pref. consist of steel profiles, esp. spring steel profiles with a U-; C-; hat-; round-; rectangular-; or corrugated- corss-section. Ribs may also be made of an elastomer. Sound absorbent materials are combined with rigid materials.
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机译:载体层由高密度弹性材料制成,例如高密度的。聚合物或橡胶,并粘结到一层吸声材料上。两层之间的开孔或闭孔是连续的一排空腔。由刚性材料制成的加强肋,可以承受静载荷。载体层优选。具有肖氏硬度30-120,并且是由密度为0.5-10 kg / dm3的材料制成的面板0.5-10 mm厚;第二层是首选。具有吸声系数的泡沫弹性体。 alphasab = 0.2-1.4。肋骨可以等距也可以不等距。包括钢型材,特别是U型弹簧钢型材; C-;帽子-;回合-;长方形-;或波纹状的皮质截面。肋也可以由弹性体制成。吸声材料与刚性材料结合在一起。
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