G - Physics – 10 – K
Patent
G - Physics
10
K
G10K 11/16 (2006.01) E04B 1/86 (2006.01) G10K 11/172 (2006.01) E04B 1/74 (2006.01) E04B 1/84 (2006.01)
Patent
CA 2285502
A sound-absorbing panel having a front side, into which are worked a plurality of holes to conduct sound to a layer of sound-absorbing material located on the back. On the front side there is a membrane in the form of a cover layer made of wood or a wood-like material, and the above-mentioned holes are micro-perforations in this cover layer. Behind the cover layer there is a load-bearing layer with passages for sound absorption. The cover layer and the load-bearing layer are firmly connected to one another.
Bruhin Pirmin
Keller Josef
Bereskin & Parr
Lignoform Benken Ag
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