| 摘要 |
PROBLEM TO BE SOLVED: To provide a corner bead which makes neat the upper appearance of an opening and forms a favorably harmonized appearance in the indoor side. SOLUTION: A curtain box 50 covering the upper part of a curtain 51 provided on an opening 20 is integrally formed so that it can not be seen from the indoor side, and positioned between a building frame body 30 and a corner bead 10 arranged at the upper part of the opening 20 opened to the inside and the outside of an indoor wall face 40. An indoor wall face 41 adjoining the indoor wall face 40 is provided with an adjacent corner bead 11 extending along the lateral direction at the upper surface, and the corner bead 10 and the adjacent corner bead 11 are arranged at the same height and these respective ends are brought into contact with each other at the corner 44 between the indoor wall face 40 and the adjacent indoor wall face 41.
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