US 12,234,639 B2
Composite ceiling and method of construction
Dave Hebert, Saint-Christophe-d'Arthabaska (CA); and Robert Cusson, Montcalm (CA)
Assigned to 9443-3638 QUÉBEC INC., Victoriaville (CA)
Filed by 9443-3638 Québec inc., Victoriaville (CA)
Filed on Jun. 16, 2022, as Appl. No. 17/841,842.
Claims priority of provisional application 63/213,819, filed on Jun. 23, 2021.
Prior Publication US 2022/0412082 A1, Dec. 29, 2022
Int. Cl. E04B 5/36 (2006.01); E04B 5/38 (2006.01)
CPC E04B 5/36 (2013.01) 12 Claims
OG exemplary drawing
 
1. A composite ceiling comprising:
a shell made of a polymer-based material, the shell generally having a planar, horizontally oriented, rectangular prism shape, having a width, a depth and a vertically oriented thickness, the shell having a flat and smooth under surface spaced apart from a flooring and facing the flooring, the shell having an upper surface opposite the under surface; the shell having a plurality of internal compartments disposed between the under surface and the upper surface; the shell having a plurality of spacers provided in the form of corresponding protrusions of the shell extending upwardly from the upper surface, the protrusions being elongated along the depth of the shell, the protrusions being narrow in the orientation of the width of the shell, the protrusions being interspaced from one another along the width of the shell;
a first layer of rebars having a first plurality of rebars spaced apart from one another along the depth of the shell, the in contact with disposed on top of the spacers and separated from the upper surface by the spacers;
a second layer of rebars having a second plurality of rebars spaced apart from one another along the width of the shell, the in contact with disposed on top of the first layer of rebars;
a horizontally extending concrete slab extending over the first and second plurality of rebars.