Floor covering having a strong noise-reducing properties
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United States of America Patent
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Oct 9, 2007
Grant Date -
Feb 26, 2004
app pub date -
Sep 1, 2001
filing date -
Sep 9, 2000
priority date (Note) -
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Abstract
A floor covering characterized as having a strong noise-reducing properties for the interior trim of means of transport. The floor covering has, on the passenger side, a textile or non-textile surface, acoustically coupled through at least one microperforated sheet to a fibrous non-woven and/or foamed plastic. A microperforated sheet having a hole diameter from 0.2 to 0.5 mm and an interhole distance from 3 to 7 mm.
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