| 摘要 |
PROBLEM TO BE SOLVED: To provide a thin ventilation louver with shallow depth, which prevents rainwater from being blown into a room even during a strong storm.SOLUTION: A thin ventilation louver is installed by making use of a rail for a glass window. Each lateral belt-like louver blade has an inclined shape sloping up from the outdoor side to the indoor side. The cross section of the louver blade has a bend part 4-4 which is a nearly upside-down turned-over J shape formed at around the vertical middle. A bend part 4-5 which is a nearly upside-down turned-over J shape is further fitted at the tip of the bend part 4-4, overlaying in multiple levels.SELECTED DRAWING: Figure 4 |
