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Acoustic device for wall mounting for diffusion and absorption of sound

  • US 7,178,630 B1
  • Filed: 08/30/2004
  • Issued: 02/20/2007
  • Est. Priority Date: 08/30/2004
  • Status: Active Grant
First Claim
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1. A wall-mountable acoustic device for diffusion and absorption of sound in an indoor area, comprising:

  • a) a self-supporting mat of compacted and interbonded rockwool fibers, said mat linearly elongated between opposite end extremities and bounded by

         1) a convex exterior surface of circular cylindric shape extending 180°

    in circular curvature,

         2) a concave interior surface substantially concentric with said exterior surface and extending 180°

    in circular curvature,

         3) two diametrically opposed straight flat rear surfaces in parallel and coplanar juxtaposition, having identical widths which represent the thickness of the mat as measured orthogonally between said interior and exterior surfaces, and

         4) opposed flat end surfaces having a semicircular perimeter,b) a thin facing material tautly embracing said exterior surface and extending across said rear surfaces and onto said interior surface, andc) an end panel of flat contour disposed upon each end surface and extending between said exterior surface and rear surfaces, and having a back surface disposed in substantially coplanar relationship with said rear surfaces and in a rectangular configuration therewith, whereby,d) when said device is mounted upon a wall by way of abutment with said rear and back surfaces, said mat, end panels and wall define a fully enclosed internal chamber of semi-cylindrical configuration.

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