EP 1756472 B1 20100421 - HEAT RESISTANT CASING
Title (en)
HEAT RESISTANT CASING
Title (de)
HITZEBESTÄNDIGES GEHÄUSE
Title (fr)
BOITIER RESISTANT A LA CHALEUR
Publication
Application
Priority
- GB 2005001906 W 20050517
- GB 0413655 A 20040618
- GB 0504267 A 20050302
Abstract (en)
[origin: WO2005124225A1] A casing (10) (fire hood) for an electrical fitting comprises a top (11) of heat resistant material provided with at least one aperture and supporting a side-wall (12).The housing encloses an electrical fitting (19) attached to the housing by attachment means, and within the housing is a first solid fire-resistant intumescent material (17) positioned between the interior surface of the top (11) and electrical fitting (19). Intumescent material (17) is provided with at least one aperture and is spaced from the interior surface of top (11). The housing is further provided with a collar of a second solid fire-resistant intumescent material (15) extending around the exterior surface of side wall (12). In the event of fire or significant temperature increase, intumescent material (17) and (15) expand to around nine times their original volume, filling the gap (16A) between the top (11) and plate (16), together with the apertures in the top (11), and the space between the housing and the surrounding structure e.g. a ceiling or wall. These expansions help to prevent a fire from spreading.
IPC 8 full level
F21S 8/02 (2006.01); F21V 25/00 (2006.01); F21V 31/00 (2006.01)
CPC (source: EP)
F21S 8/02 (2013.01); F21V 25/00 (2013.01); F21V 31/00 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005124225 A1 20051229; AU 2005255186 A1 20051229; AU 2005255186 B2 20080221; EP 1756472 A1 20070228; EP 1756472 B1 20100421
DOCDB simple family (application)
GB 2005001906 W 20050517; AU 2005255186 A 20050517; EP 05744670 A 20050517