| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a soundproof wall that can alleviate a load due to wind while having certain sound insulation performance and that has a simple structure so as to achieve cost reduction. <P>SOLUTION: A soundproof wall 10 of this invention is provided with a sound insulation plate 13 that is arranged openably and closably so as to open and close an opening 11 surrounded by a frame body and that has an attracted member 132 comprising a magnetic material at the edge, and a magnet unit 14 that is installed to move forward and backward in the directions of nearing to or separating from the sound insulation plate 13 at the opening edge of the frame body and that holds the sound insulation plate 13 in a closed state by attracting the attracted member 132 when the sound insulation plate 13 is closed while separating from the moving track of the sound insulation plate 13 when the sound insulation plate 13 is opened. <P>COPYRIGHT: (C)2012,JPO&INPIT |
