| 摘要 |
PROBLEM TO BE SOLVED: To provide an opening/closing device which enables the effective reinforcement of a stress-concentration site of an opening/closing body by using a simple low-cost structure easy to manufacture. SOLUTION: In this opening/closing device which partitions a space by the opening/closing action of the opening/closing body 10 having at least a sheet-like part, sheet-like reinforcing members 15a, 15b, 15c1, 15c2 and 15d are fixedly attached to the stress-concentration site of the sheet-like part of the opening/closing body 10. COPYRIGHT: (C)2004,JPO&NCIPI
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