| 摘要 |
<p>The absorber (1) has an acoustic material (3), which is laminated with a non-woven layer (4) at a viewing side, where the non-woven layer is printed. The acoustic material is made of an open-pored foam and a melamine resin foam, and is accommodated in a frame (2) such as aluminum frame, where the frame has a wedge-shaped cross-section or a U-shaped cross-section. The acoustic material has a thickness in the range of 20 millimeter (mm) to 40 mm, where the absorber is fastened at a wall using the frame and fastening units such as hooks, which are doweled in the wall. An independent claim is also included for a method for manufacturing a decorative, colored and/or graphically designed wall unit.</p> |
