Fire rated recessed lighting assembly

Details Fire rated recessed lighting assembly Fire rated recessed lighting assembly

2006-03-06

2008-01-22

O'Shea, Sandra (Department: 2875)

Illumination

Housing

Recessed

C362S362000, C362S365000, C362S147000, C362S404000

Reexamination Certificate

active

07320536

ABSTRACT:
A lighting assembly that includes a light fixture adapted to be disposed in relation to an opening defined in a surface of a structure such that a lamp may be installed in the light fixture through the opening, a trim having an outer surfaces, and an intumescent layer on the outer surface of the trim. The trim is adapted to engage the light fixture so that the outer surface of the trim on which the intumescent layer is disposed is positioned in proximity to the opening in the structure. The intumescent layer is adapted to expand to form a fire resistant seal between the trim and the structure when the intumescent layer reaches a predetermined temperature.

REFERENCES:
patent: 3697742 (1972-10-01), Bobrick
patent: 6105334 (2000-08-01), Monson et al.
patent: 6357891 (2002-03-01), Newbold et al.
patent: 6838618 (2005-01-01), Newbold et al.
patent: 7208677 (2007-04-01), Moselle
Lamar, Adam, “What You Should Know About Fire-Rated Recessed Fixtures”, homelighting.com, Jul. 23, 2003.
Capri Downlighting and Track Lighting “Capri Lighting”, Nov. 7, 2003.
e.z. barrier, “The Only Fire-Rated Multi-Use Fire Barrier for Electrical Openings”, no date.
F6firefighter “6″ Incandescent Fire Rated Housing”, Nov. 14, 2003.
Astroflam Fire Seals Ltd. “Intumescent Downlighter Cover” , no date.
Astro flame Fire Seals Ltd. “Luminaire Canopy Hood”, no date.
Firefighter, by Fire Proof Inc. “The Best Solution for Fire-Rated Recessed Downlighting Applications”, Aug. 14, 2003.
FIREDOME by Capri Lighting, Capri Lighting, 6″ Recessed Fire Rated Incandescent Housing AirSeal™ and Non-IC Housing, FR6V150, C1-24 (rev. Sep. 2003), no date.
FIREDOME by Capri Lighting, “6″ Recessed Fire Rated Compact Fluorescent Housing AirSeal™ and Non-IC Housing”, FR6V13Q, FR6B18Q, C1-25 (rev. Oct. 2003), no date.
FIREDOME by Capri Lighting, “6″ Recessed Fire Rated Compact Fluorescent Housing AirSeal™ and Non-IC Housing”, FR6V2632U, C1-26 (rev. Oct. 2003), no date.
Elite Lighting, Incandescent Downlights, dated Aug. 14, 2003.

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