| 摘要 |
PROBLEM TO BE SOLVED: To provide a composite sash frame body with an upper frame partially relaceable and superior in mounting strength. SOLUTION: The upper frame 20 consists of a metal upper rail 21 having an outer rail 25 for guiding an outer sliding door 4 and having a first face portion 21a in a plane shape at the indoor side end, an outer resin upper rail 22 covering the indoor side of the indoor face of the outer rail 25 of the metal upper frame 21 and having a second face portion 22a superimposed on the first face portion 21a at the indoor side end, a reinforcing metal frame 23 having an inner rail 26 for guiding an inner sliding door 5 and having a third face portion 23a superimposed on the second face portion 22a on the outdoor side of the inner rail 26, and an inner resin upper rail 24 covering almost all indoor exposed face of the reinforcing metal frame 23 and having a forth face portion 24a superimposed on the third face portion 23a. The first face portion 21a to the fourth face portion 24a are fixed together in the superimposed state, and the reinforcing metal frame 23 and the inner resin rail 24 are fixed to a building body 70 in the superimposed state on the indoor side of the inner rail 26. COPYRIGHT: (C)2006,JPO&NCIPI
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