| 摘要 |
PROBLEM TO BE SOLVED: To provide a sash which is provided at an exterior wall opening part, for excellent assembly characteristics, appearance, and workability. SOLUTION: A sash 1 is provided at an exterior wall opening part 7 and comprises a frame main body 9, an auxiliary frame 11 fitted around the frame main body 9, and an indoor-side trim material 21 fitted to the frame main body 9 or auxiliary frame 11. Top/bottom/left/right frames 11a, 11b, and 11c of the auxiliary frame are fitted with a screw 14 on the indoor side, from the indoor side to the outdoor side. At least Top/bottom/left/right frames 11a and 11c of the auxiliary frame 11 are fitted to the frame main body 9 on the outdoor side by engagement 13. A steel member 25 fixed by welding to a body 29 is fitted with a screw 31 on the indoor side of the auxiliary frame 11. The screw 14 fitting the auxiliary frame to the frame main body on indoor side as well as a screw 31 fitting the auxiliary frame to the steel member are hidden with an indoor side trim material.
|
