Door edge assembly for creating a smoke seal about a closed door

Details Door edge assembly for creating a smoke seal about a closed door Door edge assembly for creating a smoke seal about a closed door

1999-09-20

2000-09-12

Friedman, Carl D.

Static structures (e.g., buildings)

Irreversibly reactive component

5278411, 5278415, 5278313, 528021, E04C 200

Patent

active

06115976&

ABSTRACT:
An assembly for sealing a fire resistant door within a door frame during a fire event is provided. The fire resistant door has a plurality of edges. The assembly comprises a first body portion and a second body portion secured to the first body portion. An expansion mechanism between the first body portion and the second body portion for moving the second body portion in a direction generally away from the first body portion and against the door frame upon attaining a predetermined temperature with the first body portion, the second body portion, and the expansion means forming a door edge device wherein the door edge device is secured to at least one of the edges of the fire resistant door.

REFERENCES:
patent: 3566541 (1971-03-01), Coulter
patent: 3955330 (1976-05-01), Wendt
patent: 4343127 (1982-08-01), Greve
patent: 4485601 (1984-12-01), DeBoel
patent: 5501045 (1996-03-01), Wexler
patent: 5816017 (1998-10-01), Hunt et al.
patent: 5943824 (1999-08-01), Tatara
patent: 5970670 (1999-10-01), Hoffman

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