| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilating opening for a building improved in ventilating efficiency in comparison with a current one. SOLUTION: This ventilating opening is provided with a ventilating plate 3 for sealing an opening part provided in a wall surface and a hood body 1 for covering the ventilating plate 3. A mediation chamber 4 opened in a lower end thereof is provided between the hood body 1 and the ventilating plate 3. The hood body 1 is provided with an appropriate number of narrow holes 5 at positions corresponding to the ventilating plate 3 to discharge air inside a room. COPYRIGHT: (C)2005,JPO&NCIPI
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