Patent ID: 6619425
Filing Date: 2003-09-16
Classification: F02M,F05C,G10K

Abstract:
A soundproof cover, comprising:a sealing layer having a peripheral portion, to be disposed so as to contact at least the peripheral portion with a noise source, and exhibiting elasticity; a sound insulation layer being formed as a hard plate, having an installation portion to be fastened to the noise source, and being disposed so as to cover the sealing layer; and a vibration inhibition layer made of solid rubber disposed on at least a part of an interface between the sealing layer and the sound insulation layer so as to adhere to the sound insulation layer, inhibiting the sound insulation layer from vibrating, and exhibiting such characteristics that a static shear elastic modulus falls in a range of from 4 to 20 kgf/cm2 and a loss factor falls in a range of 0.03 or more.