Patent ID: 9745739
Date: 2017-08-29
CPC Classifications: E04B

Claim:
1. A composite construction system comprising: a load-bearing frame and a lightweight concrete construction unit, and a cavity between the load-bearing frame and the lightweight concrete construction unit, wherein one side of the lightweight concrete construction unit faces towards the load-bearing frame, further wherein the load-bearing frame is adhered to the lightweight concrete construction unit using at least a single layer of polyurethane foam interposed between the load-bearing frame and the lightweight concrete construction unit to fill the cavity, and at least one clip fastener, wherein the clip fastener comprises a main body section having a first terminus and second terminus, further wherein the first terminus comprises two compressible leg sections emanating from the main body section and the second terminus comprises an upward interlock stub and a downward interlock stub, the clip fastener being positioned between the load-bearing frame and the lightweight concrete construction unit such that the clip fastener is slidingly retained in the track system section.