Patent ID: 6530184
Filing Date: 2003-03-11
Classification: E06B

Abstract:
A blast resistant window framework comprising a frame mounted within an opening of a wall and a window sash assembly mounted on said frame and holding a window pane, wherein said window pane having at least two layers of glass laminated together with an intermediate layer of flexible resin without an air space between the glass layers, wherein the improvement comprises:said window sash including an l-shaped pane supporting profile circumferencing said window pane and having a first leg portion extending along side edges of said window pane and a second leg portion extending along peripheries of an inner face of said window pane; flexible adhesive material absorbing blast energy and dampening the blast effect on said window pane and said frame, and being applied between said first leg portion and a circumferential edge of said window pane; a profiled member adhered to said l-shaped profile, extending almost flush with an interior surface of said window pane, and preventing flow of said flexible adhesive material; and a resilient rubber seal member extending between said second leg of said profile and said interior surface of said window pane, and providing sealing and support between said profile and said window pane; wherein said blast resistant framework absorbs blast energy to prevent portions of the framework and window pane from breaking or deforming in a manner that may be hazardous to individuals in the vicinity of the window framework.