Sound attenuation material

Details Sound attenuation material Sound attenuation material

1975-10-30

1977-11-01

Hunt, Brooks H.

Acoustics

Sound-modifying means

Sound absorbing panels

181294, G10K 1104

Patent

active

040561615

ABSTRACT:
The sound attenuation material disclosed in this application comprises, in its basic aspects, an outer layer, a sound absorption layer, and a sound barrier layer disposed between the sound absorption layer and outer layer and bonding them together.

REFERENCES:
patent: 2866730 (1958-12-01), Potchen et al.
patent: 3002868 (1961-10-01), Boivin
patent: 3143457 (1964-08-01), Morris
patent: 3424270 (1969-01-01), Hartman et al.

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