G - Physics – 10 – K
Patent
G - Physics
10
K
G10K 11/162 (2006.01) B05D 7/06 (2006.01) C09D 5/02 (2006.01) E04B 1/86 (2006.01) E04B 1/84 (2006.01)
Patent
CA 2153186
This invention describes two products both with a plain, fine textured, nonperforated surface visual consisting of a fiberboard substrate with or without a laminated porous nonwoven scrim and then a finished painted surface. The finished painted surface decorates or finishes the board, but most important, must remain acoustically transparent to retain the sound absorption properties of the fiberboard prior to painting. The fiberboard substrate is made to be porous or modified with hole perforations to cause it to be a good sound absorber. If the fiberboard substrate is sufficiently porous without hole perforations, then the sprayable, high solids, porous paint can be directly applied. If hole perforations are used to improve the sound absorption properties of the board substrate, then a porous, nonwoven scrim is attached and painted using the same high solids porous paint. This painted scrim must be sufficiently optically opaque to hide the hole punched board, yet sufficiently open to render it acoustically transparent.
Awi Licensing Company Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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