Lightweight acoustic automotive carpet

Details Lightweight acoustic automotive carpet Lightweight acoustic automotive carpet

2006-08-15

2010-02-09

Juska, Cheryl (Department: 1794)

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

C428S131000, C428S138000, C428S137000

Reexamination Certificate

active

07658984

ABSTRACT:
Light weight acoustic carpet including porous carpeting backed by a primary sound reducing layer and localized secondary insulators for use within vehicles, and methods of making same, are provided. A porous carpet structure including a carpet backing is heated to achieve a fluid or semi-fluid state and then subjected to intense vacuum to draw air through the carpet backing to create a porous structure. A layer of sound absorbing or insulating material may be applied to the porous carpet structure to provide improved acoustic properties. Secondary sound reducing absorbers/insulators may further be included as part of the molding process to provide selected areas of increased thickness and provide tailoring of sound attenuation.

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