Patent ID: 8028801

Claim:
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 viscoelastic material comprises a vinyl acetate, a vinyl acetate-ethylene copolymer resin, an acrylic resin, an acrylonitrile-styrene-butadiene copolymer resin, a silicone resin or a moisture-curable urethane resin, and wherein an amount of the viscoelastic material is applied to the skin material such that an air permeation amount of the skin material is 0.01 to 10 cc/cm 2 ×sec., 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.