Patent ID: 7337821
Filing Date: 2008-03-04
Classification: B28B,B30B,E04C,Y10T

Abstract:
1. An apparatus for constructing corrugated walls comprising a first composite feed roller and a second composite feed roller, each of said feed rollers having layers of a fabric and cementitious material thereon, said feed rollers consisting of an upper and a lower feed rollers, means for applying a polyurethane coating on an upper surface of the composite of said lower feed roller, means for pinching edges of both of said composites after having been combined, two opposed mold tracts having inflatable molding pockets on both sides of said molding tracts forming a basis for corrugating said composite layers thereon corrugating said combined composites forming said composites into a corrugated structure, a roller transport system transporting said corrugated structure away after having been corrugated.