Sprinkler head

Details Sprinkler head Sprinkler head

1999-03-02

2000-04-04

Weldon, Kevin

Fire extinguishers

Sprinkler heads

169 42, 277910, A62C 3708, A62C 3736

Patent

active

060449128

ABSTRACT:
A sprinkler head connected with a fire extinguishing piping maintains a valve body in a closed state so as to contain compressed fire extinguishing water filled in a fire extinguishing piping when there is no fire, but opens and operates the valve body so as to discharge the compressed and supplied fire extinguishing water at the time of a fire. The fire extinguishing water is contained by closing the gap between the valve body and the peripheral part of the valve body by a sealing member mounted in the valve body, prepared by coating a rubber base material with a fluorine contained resin coating material. The rubber base material of the sealing member can have a round, oval, U-shaped, Y-shaped, or X-shaped cross-sectional shape. The rubber base material can be made from a fluorine rubber or a silicon rubber. The present invention is to utilize both advantages of the anti-corrosion property and the weathering resistance of a fluorine resin and the elasticity of a rubber, to obtain the sealing property with respect to the fire extinguishing water with a smaller load, and to prevent the malfunction of the sprinkler head caused by alteration or adhesion.

REFERENCES:
patent: 3584689 (1971-06-01), Willms
patent: 4025050 (1977-05-01), Manki et al.
patent: 4830117 (1989-05-01), Capasso
patent: 5310846 (1994-05-01), Inomata et al.

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