| 摘要 |
PROBLEM TO BE SOLVED: To provide a sliding door high in impact resistance, heat retaining property and sound insulating property while maintaining light transmissibility and having a small number of parts to be built up. SOLUTION: A front sliding door 1 and a rear sliding door 2 are provided with rectangular ring-shaped frame members 3, 3 made of an alluminum alloy, and the frame members 3, 3 have slightly smaller width than the groove width of longitudinal window frame members 11. Reinforcing members 5, 5 of square bar shape for improving frame strength are placed on the side slightly lower than the center of the frame members 3, 3, and two openings are formed in one frame member 3. Parts facing the openings of the frame members 3, 3 and reinforcing members 5, 5 are provided with grooves in such a way as to surround the respective openings, and translucent synthetic resin panels 6, 6, 6, 6 are fitted into these annular grooves. |
