Fire stop for light fixture
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United States of America Patent
Stats
-
Mar 2, 2010
Grant Date -
Jul 17, 2008
app pub date -
Dec 21, 2007
filing date -
Jan 11, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fire stop for use with a light fixture in a suspended ceiling or wall. It prevents flames and smoke from passing through the light fixture and spreading throughout a building by moving above the ceiling or behind the walls. The fire stop has a lightweight enclosure that defines an interior space disposed above the suspended ceiling, or behind the wall. Contained within the interior space are a portion of the light fixture and a layer of intumescent material. The intumescent material forms a material with a relatively low thermal conductivity that substantially fills the interior space, impeding the movement of flames or smoke, when the intumescent material reaches at least a pre-determined activation temperature.
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