| 摘要 |
PROBLEM TO BE SOLVED: To provide a sprinkler head by which deviation does not occur in water discharged from the nozzle when the sprinkler head is installed to be close to an elbow in the sprinkler head having a structure keeping a deflector normally housed inside, and the deflector hung by a pin and projected on the lower surface of a ceiling at the time of operation. SOLUTION: In the nozzle 14 of this sprinkler head, a rectifying means 25 being a cylindrical member is installed which has a petal-like cross sectional shape. COPYRIGHT: (C)2009,JPO&INPIT
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