Central flange mounted damper

Details Central flange mounted damper Central flange mounted damper

1996-03-29

1998-06-23

Safavi, Michael

Static structures (e.g., buildings)

Wall, ceiling, or floor designed for utilities

Having a passageway through the entire wall, ceiling, or...

527413, 527421, 454369, F24F 1310, F04G 2102

Patent

active

057688397

ABSTRACT:
A fire damper is provided with a central flange for mounting within a wall. The flange having a plurality of holes allowing any plaster material in the wall construction to pass through the holes and retain the damper. A miter cut is provided at the corners of the damper and the flange to allow for expansion during a fire. The damper is positioned within an opening in the wall with the flange positioned within the opening of the wall. The wall is built up by applying mortar against the damper and extending flange. With the mortar being forced through the holes in the flange to hold the damper in place.

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