Thomas S Block

US Patent:

20060254855, Nov 16, 2006

Filed:

May 16, 2005

Appl. No.:

11/129956

Inventors:

James Loftus - Newark OH, US
Thomas Block - Howell MI, US
Jeffrey Tilton - Prospect KY, US

International Classification:

E04B 1/82
E04B 2/02

US Classification:

181293000

Abstract:

The present invention provides a fibrous veil having a plurality of densified portions formed thereon for improved airflow resistance. The airflow resistance may be tuned to meet the needs of a particular application by selecting the size, density and location of the densified portions. The veil may be used independently or in combination with other sound control materials. The present invention also provides a fibrous blanket having a plurality of densified portions formed on one or both major surfaces thereof for improved airflow resistance. The airflow resistance may be tuned to meet the needs of a particular application by selecting the size and density of the densified portions. A method of manufacturing the materials of the present invention by applying heat and/or pressure to portions of the material is also presented.