Reveal for tower, has angle units fixed to edges of opening of framework and forming arches piled and glued together to present desired height of rectangular frame, where reveal is formed from series of units cut from uninflammable material

摘要

The reveal has a rectangular frame (1) cooperating with an opening (36) of a bay (34), where the reveal is formed from a series of units cut from an uninflammable material. Four angle units (6) fixed to round edges of an opening of a framework (2) form arches piled and glued together to present a desired height of the frame (1). The units (6) have four plates and free ends that are fixed to another frame.