| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure of a recessed corner which enables arbitrary change of an angle of the recessed corner and is easy to construct and manufacture. SOLUTION: A longitudinal frame unit 31 for a corner which is constituted by combining an end part longitudinal frame 31B for a panel unit supporting a curtain wall panel G directly or indirectly with a corner longitudinal frame 31A for a recessed corner is disposed at one lateral end part of a curtain wall in plane intersection, while a longitudinal frame unit 32 for the corner constituted by combining an end part longitudinal frame 32B for the panel unit supporting the curtain wall panel G directly or indirectly with a corner longitudinal frame 32A for the recessed corner is disposed at the other lateral end part of the curtain wall. The corner longitudinal frames 31A and 32A in a pair engage with each other rotatably so that they form an arbitrary angle of the recessed corner, at the outdoor-side end parts thereof.
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