Lear Corporation

David Boyles

Barry Wyerman

Gordon L Ebbitt

Laura E Gish

Liangyu Huang

An improved acoustical system for inhibiting noise in a motor vehicle. The system comprises an impermeable layer and an underlayment adjacent to the impermeable layer. The underlayment includes a first fibrous layer and a second fibrous layer. The underlayment has an airflow resistance between about 2000 and about 5000 mks Rayls.

Lightweight acoustical system

A pleated nonwoven product and method of constructing such a product which is particularly suitable for various automotive applications. The product is formed from a fibrous mat with the fibers within each pleat extending substantially vertically when the mat is in a horizontal orientation. Various products may be formed from the pleated nonwoven mat including automotive carpets and underpads, trim parts, trunk liners, upholstery, engine compartment liners, and sound insulators. Additional embodiments of the invention utilize a split pleated product presenting a unique automotive textile, carpet or other upholstery product and a unitary carpet and underpad product utilizing the pleated product of the invention.

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Carlisle, PA, United States of America

David Boyles