| 摘要 |
<p>The present invention pertains to the building industry and can be used for reducing the noise level in habitation, common or industrial premises, and mainly for increasing sound proofing in enclosed structures. This device substantially reduces the energy of acoustic vibrations from hard surfaces, and comprises dual-layer plates including a first (1) and a second (2) layers having N through-openings (3) filled with a material (4) formed therein. The first layer (1) of the N-th dual-layer plate comprises sublayers (5), while the second layer (2) of the i-th dual-layer plate comprises high-density inclusions (6). The device is attached to the surface (7) using wood screws (8).</p> |
