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SOUND ABSORPTION BODY FOR THE RAILWAY

SHIRATA MASARU

PROBLEM TO BE SOLVED: To provide a sound absorption body for the railway having excellent drainability.SOLUTION: In a sound absorption body for the railway, inorganic porous particles with a porosity of 50-90% are charged into outer cover materials composed of inorganic fiber with an alkali metal component content of 0-5 mass%.SELECTED DRAWING: None

【課題】優れた排水性を有する鉄道用吸音体を提供する。【解決手段】鉄道用吸音体において、空孔率が５０〜９０％の無機多孔体粒子を、０〜５質量％のアルカリ金属成分含有量を有する無機繊維で構成されている外被材に充填する。【選択図】なし

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SOUND ABSORPTION BODY FOR THE RAILWAY

SHIRATA MASARU

PROBLEM TO BE SOLVED: To provide a sound absorption body for the railway having excellent drainability.SOLUTION: In a sound absorption body for the railway, inorganic porous particles with a porosity of 50-90% are charged into outer cover materials composed of inorganic fiber with an alkali metal component content of 0-5 mass%.SELECTED DRAWING: None

【課題】優れた排水性を有する鉄道用吸音体を提供する。【解決手段】鉄道用吸音体において、空孔率が５０〜９０％の無機多孔体粒子を、０〜５質量％のアルカリ金属成分含有量を有する無機繊維で構成されている外被材に充填する。【選択図】なし

SOUND ABSORPTION BODY FOR THE RAILWAY

SHIRATA MASARU

PROBLEM TO BE SOLVED: To provide a sound absorption body for the railway having excellent drainability.SOLUTION: In a sound absorption body for the railway, inorganic porous particles with a porosity of 50-90% are charged into outer cover materials composed of inorganic fiber with an alkali metal component content of 0-5 mass%.SELECTED DRAWING: None

【課題】優れた排水性を有する鉄道用吸音体を提供する。【解決手段】鉄道用吸音体において、空孔率が５０〜９０％の無機多孔体粒子を、０〜５質量％のアルカリ金属成分含有量を有する無機繊維で構成されている外被材に充填する。【選択図】なし

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Titel:

SOUND ABSORPTION BODY FOR THE RAILWAY

Weitere Titelangaben:

鉄道用吸音体

Beteiligte:

SHIRATA MASARU (Autor:in)

Erscheinungsdatum:

28.12.2016

Medientyp:

Patent

Format:

Elektronische Ressource

Sprache:

Japanisch

Klassifikation:

IPC: E01B PERMANENT WAY , Gleisoberbau / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES

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