| 摘要 |
PROBLEM TO BE SOLVED: To provide an external wall capable of being designed and constructed simply and speedily merely by allocating a sash and a panel. SOLUTION: An engaging part 19 of a sash 4 and an engagement receive part 22 of a fixing part 3a constitute an engaging structure of longitudinal frames 8, 9 of the sash and the fixing part 3a to regulate the travel of the sash in the right and left directions, and the sash 4 is pressed in the fixing part 3a in the indoor and outdoor directions by a screw for fixation to regulate the travel of the sash in the indoor and outdoor directions and in the vertical direction. At this time, a pawl streak 20 causing partial plastic deformation in a screw head due to tightening of a fixing screw 31 is formed in a connection fin 17 of the sash 4 to fix the sash 4 in the vertical direction further securely.
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