US 12,006,683 B2
Framed laminated fiberglass panel and method of manufacture
Luigi Bartella, Toronto (CA); Srirathakrishna Sivapathasuntharam, Woodbridge (CA); and Michael J. Lembo, Souderton, PA (US)
Assigned to CertainTeed Canada, Inc., Woodbridge (CA)
Filed by CertainTeed Canada, Inc., Woodbridge (CA)
Filed on Jul. 15, 2021, as Appl. No. 17/377,013.
Claims priority of provisional application 63/052,307, filed on Jul. 15, 2020.
Prior Publication US 2022/0018125 A1, Jan. 20, 2022
Int. Cl. E04B 9/04 (2006.01); B32B 3/08 (2006.01); B32B 3/30 (2006.01); B32B 5/02 (2006.01); B32B 5/26 (2006.01); B32B 7/02 (2019.01); B32B 7/12 (2006.01); G10K 11/168 (2006.01)
CPC E04B 9/0428 (2013.01) [B32B 3/08 (2013.01); B32B 3/30 (2013.01); B32B 5/02 (2013.01); B32B 5/26 (2013.01); B32B 7/02 (2013.01); B32B 7/12 (2013.01); E04B 9/045 (2013.01); G10K 11/168 (2013.01); B32B 2262/101 (2013.01); B32B 2307/102 (2013.01); B32B 2307/72 (2013.01); B32B 2419/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An acoustic panel having a top surface, a bottom surface, and a perimeter edge, the acoustic panel comprising:
a layered fiberglass panel body comprising:
a core fiberglass layer including an upper face, a lower face, and an outer edge, and
a high density fiberglass layer secured to the lower face of the core fiberglass layer, the high density fiberglass layer having a higher density than the core fiberglass layer,
wherein the layered fiberglass panel body includes an outward projection at the perimeter edge of the acoustic panel that is formed by the high density fiberglass layer and a portion of the core fiberglass layer; and
a supporting perimeter frame extending around the outer edge of the core fiberglass layer,
wherein the outward projection of the layered fiberglass panel body extends outward beneath the supporting perimeter frame and obscures the supporting perimeter frame from view at the bottom surface of the acoustic panel.