| 摘要 |
PROBLEM TO BE SOLVED: To prevent the phenomena of rainwater or dew-condensed water penetrating into a wall part by making a ventilation hood superior in airtightness and waterproofness with a wall part and a ventilating duct, and also to prevent dirty rainwater from forming a spot at the wall face, and to facilitate the cleaning and inspection work of the ventilation duct. SOLUTION: A mounting plate 1, made of stainless steel, is provided with a ventilation opening 10 at substantially the center, and locks 8 and 9 at the periphery, and the downside of the mounting plate 1 is bent outwardly to form a drain part 7. A hood body 11, made into the shape of a vertically split hanging bell is set capable of being mounted and removed to the front side of the mounting plate 1. An EPMD is stuck along the periphery as a waterproof packing 15 which has waterproofness, airtightness, compressibility, etc., to the rear of the mounting plate 1. The hood body 11 is set to the mounting plate 1, which is fixed in a condition with the waterproof packing 15 being compressed to the wall part. |
