| 摘要 |
PROBLEM TO BE SOLVED: To provide a fixture capable of imparting high fireproof performance while maintaining heat insulation.SOLUTION: A parent door 4 and a child door 5 which include a parent door body 40 and a child door body 50 respectively having opening parts 40a, 50a and glasses 11, 12 fitted into the opening parts 40a, 50a, and can be opened and closed in a frame body 2, include: glass periphery reinforcing core materials which are extended along peripheral edge parts of the opening parts 40a, 50a; an indoor-side glass presser member and an outdoor-side glass presser member which are provided from the peripheral edge parts of the opening parts 40a, 50a to peripheral edge parts of the glasses 11, 12, and fastened to each other with screws so as to hold the peripheral edge parts of the glasses 11, 12 therebetween; and first glass retaining metal fittings which are provided between one of the indoor-side glass presser member and outdoor-side glass presser member and the glasses 11, 12, and have a first aspect plane part overlapping the glasses 11, 12 in an aspect direction, the other of the indoor-side glass presser member and outdoor-side glass presser member being made of resin. |
