Fire-proof window
AssigneeSaint-Gobain Industries
InventorsFranz Kraemling, Norbert Bartonitscheck, Gunther Mattes, Jakob Nieven
Life of this patent
Estimating the term…
Abstract
This invention relates to a window with increased resistance to fire, consisting of at least one pane of glass, such as soda glass, mounted in a metal frame in such a way that during a fire the border and edge of the side exposed to the action of heat, or in some cases the borders and edges of both sides, are exposed to the heat.
Claims15
In a fire-resistant window having at least one glass sheet mounted in a main frame disposed about the peripheral edge of the glass sheet with the edge region of the sheet on the side thereof to be exposed to the heating effect of fire being at least partially exposed and free of frame structure, the improvement comprising:
- (a) cushion frame means disposed over said edge region and connected to said main frame and having openings therethrough exposing the edge region of the sheet;
- (b) listel means disposed over said cushion frame means and covering said openings;
- (c) connection means for attaching said listel means to said cushion frame means, said connection means being disposed between said cushion frame means and said listel means;
- and being responsive to the heat of fire to soften and lose its attaching function;
- and
- (d) ejection means disposed between said listel means and cushion frame means for detaching and removing said listel means from said cushion frame means when said connection means loses its attaching function.
Dependencies are inferred from the claim text.