Cover assembly for a concealed sprinkler head

Details Cover assembly for a concealed sprinkler head Cover assembly for a concealed sprinkler head

2005-01-11

2005-01-11

Evans, Robin O. (Department: 3742)

Fire extinguishers

Sprinkler heads

C169S038000, C169S056000, C169S057000

Reexamination Certificate

active

06840329

ABSTRACT:
A concealed sprinkler head is mounted above the ceiling of a fire protected zone. The sprinkler head includes a housing within which a valve and other operative parts are contained. A decorative cover plate is secured to the housing to conceal the sprinkler head within the ceiling so that none of the operative parts is visible. The cover assembly includes a thin metallic cover plate made of a heat conductive material such as copper, and a metallic skirt including a cylindrical wall threaded on the housing, an annular flange extending outwardly from one end of the cylindrical wall, and a plurality of tabs extending downwardly from the flange. A plurality of heat insulative elements are disposed between the tabs and the cover plate. A metallic layer is attached to the lower surface of each of the insulative elements. A layer of fusible material is disposed between the metallic layer and the cover plate to secure each of the insulative elements to the cover plate through the metallic layer.

REFERENCES:
patent: 3998273 (1976-12-01), Juliano
patent: 4014388 (1977-03-01), Anderson
patent: 4105076 (1978-08-01), Simons et al.
patent: 5117916 (1992-06-01), Ohta et al.
patent: 5372203 (1994-12-01), Galaszewski
patent: 6484809 (2002-11-01), Elder
patent: 3016985 (1995-08-01), None
patent: 9-187529 (1997-07-01), None
patent: 2000-157642 (2000-06-01), None

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