SPRUNG STRUCTURES

Prefabricated frame supported stressed membrane buildings not primarily made of metal and components therefore, namely, straight and curved beams and trusses, baseplate angles, footing plates, bases, pads, butt joint and top joint splice plates, fabric panels, and ground anchors, all sold as a unit; nonmetal component parts for stressed membrane buildings, namely, straight and curved beams and trusses, baseplate angles, footing plates, bases for use in supporting the frame of a stressed membrane building, pads for use in conjunction with frames for stressed membrane buildings, butt joint and top joint spliced plates for securing components of the frames of a stressed membrane building and fabric panels for use as walls and roofs for frame supported stressed membrane buildings, and ground anchors