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...

Ausführliche Beschreibung

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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