Patent ID: 6647686
Filing Date: 2003-11-18
Classification: E04B

Abstract:
In a system for constructing insulated concrete structures, a hinged form comprising:panels molded from a closed cell foam plastic, having inside and outside surfaces, top, bottom and end edges, said panels placed horizontally in an opposing and parallel, spaced-apart relationship; at least one horizontal or vertical hinge member embedded in at least one of the opposing panels, said hinge member having a first flange and a second flange oriented in an opposing and parallel relationship with a flexible hinge section between the flanges, flanges being connected to hinge section by web members, web members having a plurality of apertures along their length; at least two vertical studs embedded in each panel, said studs spaced longitudinally and parallel from each other; a plurality of spreaders at each stud location, extending between opposing panels and engaging the studs in opposing panels thereby creating a form with a cavity between the inside surfaces of the panels.