Fire rated recessed lighting assembly
US7320536B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2006 |
| Grant date | Jan 22, 2008 |
| Priority date | — |
| Expiry date | Jun 30, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V25/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.