| 摘要 |
PROBLEM TO BE SOLVED: To provide a fire extinguishing head which prevents damage or deformation of the fire extinguishing head when the work of installing the fire extinguishing head is performed by a worker in an inappropriate manner or by using a general-purpose tool. SOLUTION: The fire extinguishing head 1 is equipped with a connection screw 11a connected to a supply port for an extinguishing agent by screwing, a foaming part 30 interposed in an emission path of the extinguishing agent supplied from the supply port, and a frame 13 for supporting the foaming part 30. At least a part of the foaming part 30 is formed to rotate about a rotary shaft along the central axis of the connection screw 11a. COPYRIGHT: (C)2009,JPO&INPIT
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