To form a light-weight floor structure having sound insulating properties and fire resistance easily.SOLUTION: A floor structure of a railway vehicle includes: a lower plate placed on an underframe; a heat insulation material disposed on the lower plate; a middle plate held on the lower plate by a supporting base; a sound absorption core material disposed on the middle plate; and a refractory panel disposed on the sound absorption core material. An expansive refractory paint is applied to at least one of an area between the lower plate and the heat insulation material, an area between the heat insulation material and the middle plate, an area between the middle plate and the sound absorption core material, and an area between the sound absorption core material and the refractory panel.SELECTED DRAWING: Figure 1

    【課題】防音性と耐火性能を有する軽量な床構造を簡便に形成する。【解決手段】台枠上に配置された下板と、前記下板上に配置された断熱材と、前記下板上に支持台で保持された中板と、前記中板上に配置された吸音コア材と、前記吸音コア材上に配置された耐火パネルと、前記下板と前記断熱材との間、前記断熱材と前記中板の間、前記中板と前記吸音コア材との間若しくは前記吸音コア材と前記耐火パネルとの間の少なくとも1カ所に、膨張性耐火塗料が塗布されている鉄道車両の床構造。【選択図】図1


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    Titel :

    FLOOR STRUCTURE OF RAILWAY VEHICLE


    Weitere Titelangaben:

    鉄道車両の床構造


    Beteiligte:
    HIROZAWA MASARU (Autor:in) / TABUCHI SATORU (Autor:in) / MORITO OUMI (Autor:in) / NITTA SHINICHI (Autor:in) / SHIMIZU KOHEI (Autor:in)

    Erscheinungsdatum :

    06.12.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES



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