| 摘要 |
PROBLEM TO BE SOLVED: To reduce the number of parts of a composite type window frame and reduce the cost and facilitate the fitting work and handling of the parts. SOLUTION: The front face window and the side face window are connected to each other through mullions 4 to constitute a window body. The indoor side exposed part of an aluminum mullion 5 is nearly covered with a resin mullion 6 to form the mullion 4 of the window frame. The aluminum mullion 5 is provided with two inner peripheral side faces 5a, 5b mutually contacting at an angleαcorresponding to the connection angle of the front face window and the side face window. The resin mullion 6 is integrally formed of the first resin part 6a nearly covering the inner peripheral side face 5a of the front face window side and the second resin part 6b nearly covering the inner peripheral side face 5b of the side face window side, and fixed to the aluminum mullion 5 with screws.
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