| 摘要 |
The invention relates to a corner joint (2-5) for a metallic insulated frame (1). The frame members (6, 7) of the joint are box-channel cross sections and joined by an intermediate connecting piece (18) which has water drainage means (19, 21) formed therein. Each of the frame members (6, 7) has a square-cut end face in water-tight contact with the connecting piece (18).
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