Fire extinguishers – Sprinkler heads
Reexamination Certificate
2006-09-12
2006-09-12
Nguyen, Dinh Q. (Department: 3752)
Fire extinguishers
Sprinkler heads
C169S042000, C169S005000, C169SDIG001
Reexamination Certificate
active
07104335
ABSTRACT:
A sprinkler head having a first housing connected to a water supply pipe disposed inside a building ceiling. The sprinkler head includes a second housing coupled to the first housing and fixed to the ceiling surface. A deflector is adhered to the first housing for spraying water by being detached from the first housing. A locking unit is locked inside the second housing for maintaining the sealing state between the deflector and the second housing, and a heat responding unit is exposed to outside of the ceiling for sensing heat at the time of a fire occurrence and thus releasing a locking of the locking unit.
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Barney Seth
Cohen & Pontani, Lieberman & Pavane
Hattori Tadashi
Nguyen Dinh Q.
Paradise Industry Co., Ltd.
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