Patent ID: 8061475

Claim:
A soundproof cover comprising: a sound-absorbing material disposed facing to a sound source such that sound from the sound source first impinges the sound-absorbing material; a soft sound-insulating layer laminated on the sound-absorbing material and having an air permeability measured according to JIS L 1018 (1999) of 10 cc/cm 2 ·sec or less; and a soft cover forming an air layer with the soft sound-insulating layer and having a Young's modulus measured according to JIS K 7127 (1999) of 0.2 to 1.5 GPa, wherein the soft sound-insulating layer has a Young's modulus measured according to JIS K 7127 (1999) of ⅕ or less than that of the soft cover, and wherein the air layer is hermetically sealed.