Sound insulating structure

A sound insulating member includes a mass section and spring sections. The mass section is disposed so as to have a gap with respect to an outer panel which divides an internal space of a vehicle body and outside thereof, and includes at least a part which has a planar shaped form. The plurality of...

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Bibliographische Detailangaben
Hauptverfasser:	Noguchi, Yoshihiro, Tsuboi, Yuma, Kondo, Takashi, Kurihara, Ikumi, Yamaguchi, Takao
Format:	Patent
Sprache:	eng
Schlagworte:	LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	A sound insulating member includes a mass section and spring sections. The mass section is disposed so as to have a gap with respect to an outer panel which divides an internal space of a vehicle body and outside thereof, and includes at least a part which has a planar shaped form. The plurality of spring sections are disposed on the mass section at a side of the mass section facing an outer panel. Each of the spring sections has a hollow film member having airtightness and flexibility, and a gas sealed inside the film member. The film member has a first stepped section and a second stepped section that are formed in a stepped shape in an arrangement direction of the outer panel and the mass section.