Patent ID: 9441365
Filing Date: 2016-09-13
CPC Classification: E04B,E04G

Claim Text:
1. A formwork for forming a concrete structure, the formwork apparatus comprising: a plurality of elongated panels comprising connector components at their transverse edges for connecting to one another in edge-adjacent relationship; each one of the elongated panels comprising an outer surface that extends between its transverse edges and an inner surface that extends between its transverse edges at a location inwardly spaced apart from the outer surface, the inner surface comprising one or more arcuate and inwardly projecting convexities that extend between the transverse edges and the arcuate and inwardly projecting convexities integrally coupled to the outer surface at each of the transverse edges; each one of the elongated panels comprising one or more brace elements that extend between the inner surface and the outer surface at angles that are non-orthogonal to the outer surface; wherein: