| 摘要 |
PROBLEM TO BE SOLVED: To provide a resin fitting excellent in a fireproof property.SOLUTION: The resin fitting comprise a heating foam material of foaming by being heated between a metallic reinforcement member in a hollow part of a frame body and a metallic reinforcement member in a hollow part of a rail body, and a drawing member is formed by respectively fixing a metallic engaging member provided in any one of the frame body and the rail body and a metallic receiving member provided in the other of the frame body and the rail body and engaging with the engaging member, to the reinforcement member via the heating foam material, and the engaging member comprises a swelling allowable part for allowing the heating foam material interposed between the reinforcement member provided in the one and itself, to foam to the other side from the engaging member by being heated. |
