| 摘要 |
PROBLEM TO BE SOLVED: To easily apply a hot air flow to a thermosensitive member by enlarging a sprinkler port in regular times and uniformly sprinkle water by reducing the sprinkler port in sprinkling water. SOLUTION: This sprinkler head SP is provided with a head body 3 formed with an outlet 1 in its inside, a valve element 5 for closing the outlet 1, a glass valve 7 for supporting the valve element 5, and a bottomed cylindrical frame 11 connected to the lower end of the head body 3 and having an opening 9, wherein the frame 11, in its inside, is provided with a vertically-movable closing member 17 and the closing member 17 is regularly positioned in the upper part of the opening 9 of the frame 11 and falls in sprinkling the water to close a part of the opening 9. COPYRIGHT: (C)2009,JPO&INPIT
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