Patent ID: 7329456
Filing Date: 2008-02-12
Classification: A47B,E04B,G10K,Y10T

Abstract:
1. A method of forming a box-like acoustical product comprising: scoring an acoustical substrate along a plurality of score lines to form a plurality of compression regions, said acoustical substrate having a major side and a back side opposing said major side; compressing said compression regions to form first, second, and third compressed regions having four uncompressed regions adjacent thereto, said uncompressed regions including a first uncompressed region, a second uncompressed region, a central uncompressed region, and a fourth uncompressed region, said central uncompressed region being located between said second and fourth uncompressed regions, wherein said first, second, and third compressed regions have densities that are greater than densities of said first, second, central and fourth uncompressed regions; rotating said first and second uncompressed regions toward said back side of said acoustical substrate to locate said second compressed region against said central uncompressed region; rotating said fourth uncompressed region toward said back side of said acoustical substrate to locate said third compressed region against said central uncompressed region; and rotating said first uncompressed region toward said back side of said acoustical substrate to locate said first compressed region against said second uncompressed region and forming said box-like acoustical product.