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US 2026/0146494 A1Published application
Water and fire resistant gasket
AssigneeLorient North America Ltd.
InventorsTerry Agee, Kristy Jones
Life of this patent
Estimating the term…
Abstract
A gasket configured to resist infiltration of smoke, water, and fire is disclosed, along with methods of manufacture of said gasket. The gasket may at least partially seal gaps in its unexpanded state to resist infiltration of smoke and water. The gasket may be configured to expand when exposed to temperatures above a threshold temperature to additionally resist infiltration of fire.
Claims20
A gasket configured to attach to a side of a door jamb or a side of a door, the gasket comprising:
- a foam portion comprising an intumescent material configured to expand when exposed to a temperature above a threshold temperature, the foam portion comprising a base surface configured to contact one of the side of the door jamb or the side of the door and at least one fin configured to contact the other of the side of the door jamb or the side of the door when the door is closed to at least partially seal a gap between the side of the door jamb and the side of the door when the door is closed, the foam portion configured to resist intrusion of smoke and water through the gap when the foam portion is unexpanded, the foam portion further configured to resist intrusion of fire, smoke, and water when the foam portion is expanded;
- an intermediate portion attached to the foam portion adjacent to the base surface, the intermediate portion formed of a different material than the foam portion;
- and
- an adhesive applied to the intermediate portion and configured to attach the gasket to the side of the door jamb or the side of the door.
1 more element
A gasket configured to attach to a side of a door jamb or a side of a door, the gasket comprising:
- a foam portion comprising an intumescent material configured to expand when exposed to a temperature above a threshold temperature, the foam portion comprising:
- a base surface configured to contact one of the side of the door jamb or the side of the door;
- and
- at least one fin configured to contact the other of the side of the door jamb or the side of the door when the door is closed to at least partially seal a gap between the side of the door jamb and the side of the door when the door is closed,
- wherein the foam portion is configured to resist intrusion of smoke and water between the gap when the foam portion is unexpanded, and
- wherein the foam portion is configured to resist intrusion of fire, smoke, and water when the foam portion is expanded.
3 more elements
Dependencies are inferred from the claim text.