Soundproof assembly and methods for manufacturing same

Details Soundproof assembly and methods for manufacturing same Soundproof assembly and methods for manufacturing same

2011-04-12

2011-04-12

Enad, Elvin G (Department: 2832)

Acoustics

Sound-modifying means

Sound absorbing panels

C181S294000, C181S285000, C052S144000, C052S145000

Reexamination Certificate

active

07921965

ABSTRACT:
An improved acoustical floor/ceiling, or wall assembly affixed to a support structure, the assembly using laminar panels. A first one of the laminar panels includes a constraining layer of material with a layer viscoelastic glue on the constraining layer and a layer of material of a first composition on the layer of viscoelastic glue. A second one of the laminar panels includes a constraining layer of material with a layer of viscoelastic glue on the constraining layer of material and a layer of material of a composition different than that of the layer of material in the other laminar panel. In one assembly the material in the first laminar panel is cellulose-based material or wood, and the material in the second laminar panel is gypsum board. Constraining layers of material of metal, cellulose-based material, wood and petroleum-based products such as plastic, vinyl or rubber, ceramic, composite are employed.

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