High performance acoustic door

An acoustic door assembly having 1¾″ thickness, a sound transmission class (STC) rating greater than 50, UL10C 20-minute fire rating, and constructed without sheet metal or lead. In an embodiment, the door assembly includes a frame housing a decoupled internal core sandwiched between two mass-loaded...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Hibbs, Daniel L, Harris, Thomas E, Miller, Mike, Fleischmann, Aron
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 LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	An acoustic door assembly having 1¾″ thickness, a sound transmission class (STC) rating greater than 50, UL10C 20-minute fire rating, and constructed without sheet metal or lead. In an embodiment, the door assembly includes a frame housing a decoupled internal core sandwiched between two mass-loaded vinyl outer faces. The internal core includes a multi-layering of low-density layers for absorbing high-frequency noise, damping layers of mass-loaded vinyl for absorbing low-frequency noise, and a flame-retardant layer. The outer faces are a multi-layered assembly coupled to a frame of the door assembly and in contact communication to the internal core, the outer faces having layers of mass-loaded vinyl, plywood, high-density fiberboard, and a veneer.