| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a protective cap for a sprinkler head, which makes water easily discharged from a drain hole of the protective cap in the sprinkler head, and the sprinkler head comprising the same.SOLUTION: A protective cap assumes a cylindrical shape capable of internally housing a sprinkler head S1. An opening 10 is provided on an upside, and a bottom surface 11 is installed on a downside. A drain hole 12 is drilled on the side of the bottom surface 11, and a seat part 17, on which a surface of the sprinkler head S1 is seated, is provided on the inside of the bottom-side. The seat part 17 is installed on the side of the opening 11 with respect to the drain hole 12.</p> |
