| 摘要 |
PROBLEM TO BE SOLVED: To provide a sash having high drain capacity, and capable of effectively preventing intrusion of rainwater into a room. SOLUTION: This sash 10 has paper sliding screens 12 and 14 having a sash roller 38 on a lower rail 19, and a frame body for surrounding the paper sliding screens 12 and 14. Flat parts 50a to 50e formed in a substantially planar shape, a recessed part 44 formed in a downward recessed shape more than the flat parts 50a to 50e so as to guide the movement of the door roller 38 by a stepped wall 44b between the flat parts 50a to 50e when a lower part of the sash roller 38 intrudes and rolls, and a drain hole 46 opened in a bottom surface 44a of the recessed part 44, are formed on an upper surface of the lower frame 32 arranged under the paper sliding screens 12 and 14 among the frame body. COPYRIGHT: (C)2005,JPO&NCIPI
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