| 摘要 |
PROBLEM TO BE SOLVED: To provide a double window allowing an outer window frame and an inner window frame to be easily positioned and to be connected with each other while achieving the weight saving, and the like.SOLUTION: A double window includes an outer window frame arranged on an outdoor side and an inner window frame arranged on an indoor side. The double window is provided with: a seal material for stopping water between the outer window frame and the inner window frame in four peripheries on outer peripheral sides of an outer opening formed by the outer window frame and an inner opening formed by the inner window frame; and a connection member which connects the outer window frame and the inner window frame on the outer peripheral side of the seal material. The connection member has: a temporary fixed part temporarily fixed to the inner window frame; a positioning part for positioning the outer window frame with respect to the inner window frame; and a guide part for guiding a screw screwed into the outer window frame in a depth direction to penetrate also through the inner window frame together. |
