Soundproof cover

Details Soundproof cover Soundproof cover

2008-03-28

2011-10-04

Phillips, Forrest M (Department: 2832)

Acoustics

Sound-modifying means

Sound absorbing panels

C181S200000, C181S210000, C181S284000

Reexamination Certificate

active

08028801

ABSTRACT:
The present invention provides a soundproof cover comprising: a sound-absorbing material having air permeability; and a skin material impregnated with a viscoelastic material and having air permeability, wherein the skin material is provided on a surface of the sound-absorbing material opposite to a sound source, and wherein the soundproof cover has a three-dimensional shape corresponding to an outer shape of the sound source.

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patent: 2006-98966 (2006-04-01), None
patent: WO 01/49531 (2001-07-01), None

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