| 摘要 |
A cover (2) on the open side of a case unit (1) has a light outlet area. A lighting device (3) fits inside the case unit. Panels (10-14) in the case unit each have inner walls (16,18,20,22,24) and outer walls (26,28,30,32,34) set apart from them with a gap for using several walls to form an intermediate air chamber (4). The cover's panel (15) has an inner wall (25) and an outer wall (35) set apart from it with a gap for using several walls to form an intermediate air chamber (5,5'). The cover's inner and outer walls each have an area for light to pass through. <??>An Independent claim is also included for a system of multiple fireproof lamps. |
