| 摘要 |
PROBLEM TO BE SOLVED: To provide a composite sash which avoids exposure of a screw at an angle portion, and prevents flapping deformation thereof due to thermal expansion. SOLUTION: The composite sash is provided with a frame body 1 consisting of a metallic frame 22 mounted in a window opening section, and a resin frame 23 arranged inside the metallic frame 22, and the angle portions 13 formed inside the resin frame 23 are fixed to a casing 4 of the window opening section by means of screws 33. The angle portion 13 is fixed to the casing 4 via a metallic long retaining member 30 by means of the screw 33, and the retaining member 30 has its exposed surface covered with a resin cover member 31. Further both ends of the cover member 31 are covered with corner caps 32 at corner portions of the frame body 1, respectively. COPYRIGHT: (C)2008,JPO&INPIT
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