To provide a silencer for a vehicle having a high degree of freedom of shapes.SOLUTION: A fibrous layer 10 having air permeability has a first surface 21 appearing on a surface and a second surface 22 opposite to the first surface 21, and contains a fiber 13 and a binder 14. A gas impermeable resin layer 30 is bonded to the second surface 22. The fibrous layer 10 contains a first fibrous part 11 having a first basis weight range and a second fibrous part 12 having a second basis weight range higher than the first basis weight range. The resin layer 30 contains a first resin part 31 having a third weight basis range and a second resin part 32 having a fourth basis weight range higher than the third basis weight range. A silencer 1 for a vehicle having a three-dimensional shape 3 contains a first part 41 where the first fibrous part 11 and the first resin part 31 are superposed on each other, a second part 42 where the first fibrous part 11 and the second resin part 32 are superposed on each other, a third part 43 where the second fibrous part 12 and the first resin part 31 are superposed on each other, and a fourth part 44 where the second fibrous part 12 and the second resin part 32 are superposed on each other.SELECTED DRAWING: Figure 2

    【課題】形状の自由度が高い車両用サイレンサーを提供する。【解決手段】通気性を有する繊維質層10は、表面に現れている第一の面21と反対側の第二の面22を有し、繊維13とバインダー14を含んでいる。非通気性の樹脂層30は、第二の面22に接着している。繊維質層10は、第一の目付範囲の第一繊維質部分11と第一の目付範囲よりも高い第二の目付範囲の第二繊維質部分12を含んでいる。樹脂層30は、第三の目付範囲の第一樹脂部分31と第三の目付範囲よりも高い第四の目付範囲の第二樹脂部分32を含んでいる。三次元形状3を有する車両用サイレンサー1は、第一繊維質部分11と第一樹脂部分31とが重なった第一部位41、第一繊維質部分11と第二樹脂部分32とが重なった第二部位42、第二繊維質部分12と第一樹脂部分31とが重なった第三部位43、及び、第二繊維質部分12と第二樹脂部分32とが重なった第四部位44を含んでいる。【選択図】図2


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    Title :

    SILENCER FOR VEHICLE


    Additional title:

    車両用サイレンサー


    Contributors:

    Publication date :

    2024-10-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / 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 / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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