US 12,247,396 B2
Ceiling tile and assembly constructed of recycled materials
Paul Charles Downey, Toronto (CA)
Assigned to CSR Industries Inc., Toronto (CA)
Filed by CSR Industries Inc., Toronto (CA)
Filed on Dec. 17, 2021, as Appl. No. 17/554,502.
Prior Publication US 2023/0193627 A1, Jun. 22, 2023
Int. Cl. E04B 9/04 (2006.01); E04F 13/16 (2006.01)
CPC E04B 9/045 (2013.01) [E04B 9/0464 (2013.01); E04F 13/16 (2013.01); E04B 2103/04 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A method of manufacturing a ceiling tile, the method comprising:
combining a binding agent with plastic flakes;
passing the plastic flakes and the binding agent to a lamination machine;
applying a force to the binding agent and the plastic flakes using the lamination machine to create a plastic sheet; and
attaching gypsum board paper to a first side of the plastic sheet.