Five-layer sound absorbing pad: improved acoustical absorber

Details Five-layer sound absorbing pad: improved acoustical absorber Five-layer sound absorbing pad: improved acoustical absorber

2006-02-21

2006-02-21

San Martin, Edgardo (Department: 2837)

Acoustics

Sound-modifying means

Sound absorbing panels

C181S291000, C181S296000, C181S286000, C428S137000, C428S182000

Reexamination Certificate

active

07000729

ABSTRACT:
An acoustical absorber, having the structure: scrim/film/batt/film/scrim. Preferably, the batt is made from about 60% to about 90% by weight natural fiber and about 10% to about 40% synthetic fiber. Also, a method of making the acoustical absorber is provided. Additionally, a method for acoustically insulating a structure with the acoustical absorber is provided. The method for acoustically insulating may include the steps of compressing the acoustical absorber to less than its original volume prior to installing the absorber and releasing the absorber from compression following the installing step, allowing the material to recover and to fill the void of the structure in which the absorber was placed.

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