| 摘要 |
PROBLEM TO BE SOLVED: To provide fittings capable of promoting the drying of the bathroom side surface of the surface member of a window sash by the ventilation air for ventilating a bathroom. SOLUTION: A ventilation passage 30 is formed in a window upper frame 10. The ventilation passage 30 has a bathroom side passage 31 opened downward to flow air toward the bathroom side surface 2a of the window sash 2. The air flowing through the ventilation passage 30 for ventilating the bathroom touches the bathroom side surface 23a of the surface material 23 of the window sash 2. Drying of the bathroom side surface 23a of the surface material 23 is promoted by the ventilation air. COPYRIGHT: (C)2008,JPO&INPIT
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