SOUNDPROOF DOOR

PROBLEM TO BE SOLVED: To provide a soundproof door having excellent sound insulation, decoration, strength or the like. SOLUTION: Board-shaped bodies 2 are adhered to both the front and rear surfaces of a rectangular frame body 1 and a hollow portion 5 is formed inside, and a sound insulation sheet...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAMOTO SUKEMASA, KURASHIGE SHOZO, SAKO KATSUNORI
Format:	Patent
Sprache:	eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES LADDERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a soundproof door having excellent sound insulation, decoration, strength or the like. SOLUTION: Board-shaped bodies 2 are adhered to both the front and rear surfaces of a rectangular frame body 1 and a hollow portion 5 is formed inside, and a sound insulation sheet 3 is fixed to an inner surface of at least one board- shaped body, and in a door filled up with a sound absorbing material 4 in the hollow portion 5, the board-shaped body 2 is formed with an wooden board having a thickness of more than 10 mm and a specific gravity of more than 0.7.