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DASH ISOLATION PAD HAVING MULTILAYER STRUCTURE EXCELLENT IN FORMABILITY AND SOUND ABSORPTIVITY

机译:具有出色结构性和声音吸收性的多层结构的DASH隔离垫

摘要

PROBLEM TO BE SOLVED: To provide a dash isolation pad having a multilayer structure excellent in formability and sound absorptivity.SOLUTION: A dash isolation pad comprises a decoupler and a sound-absorbing/insulation layer. The decoupler includes a cocoon cotton felt made of an urethane foam or an octo-lobal-shaped cross-section fiber. The sound-absorbing/insulation layer includes a high rigidity felt made of an octo-lobal-shaped cross-section fiber. The octo-lobal-shaped cross-section fiber has a profile degree (α) of 2.0 to 2.7.SELECTED DRAWING: Figure 1
机译:解决的问题:提供一种具有良好的可成型性和吸声性的多层结构的仪表板隔离垫。解决方案:仪表板隔离垫包括去耦器和吸声/绝缘层。解耦器包括由氨基甲酸乙酯泡沫或八叶形横截面纤维制成的茧棉毡。吸音/绝缘层包括由八叶形横截面纤维制成的高刚性毡。八叶形横截面纤维的轮廓度(α)为2.0到2.7。

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