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US 12,623,441 B2Granted
Fire-resistant glazing
AssigneePilkington Group Limited
InventorsNils Brinkman, Matthias Auth, Andreas Poersch
Life of this patent
Estimating the term…
Abstract
A fire resistant glazing is provided that seeks to avoid the issue of air gaps forming between a glazing and a frame into which the glazing is placed, a method of manufacturing the fire resistant glazing and the use of same. The fire-resistant glazing includes an intumescent edge mass located at least partially between the first sheet of glazing material and the second sheet of glazing material and which is suitable for, and may be installed within, a glazing frame.
Claims16
A fire-resistant glazing comprising:
- at least a first sheet of glazing material comprising a first major face, a second major face and at least one edge face;
- and
- at least a second sheet of glazing material comprising a first major face, a second major face and at least one edge face,
- wherein the first sheet of glazing material and the second sheet of glazing material are arranged in a spaced-apart face-to-face arrangement with the first major faces of the first and second sheet of glazing material facing each other to form a cavity, and wherein the edge faces of the first and second sheets of glazing material are substantially aligned to form a glazing edge;
- an intumescent layer located in the cavity between the first sheet of glazing material and the second sheet of glazing material;
- and
- wherein the fire-resistant glazing further comprises:
- a spacer located between the first sheet of glazing material and the second sheet of glazing material proximate to the glazing edge;
- a secondary sealant located between the first sheet of glazing material and the second sheet of glazing material, and
- an intumescent edge mass located at least partially between the first sheet of glazing material and the second sheet of glazing material,
- wherein the secondary sealant includes at least one groove parallel to the glazing edge in which the intumescent edge mass is at least partially located.
8 more elements
Dependencies are inferred from the claim text.