| 摘要 |
PROBLEM TO BE SOLVED: To provide a door capable of improving sound insulating properties. SOLUTION: A door body 10 of the door 1, which makes an opening 20 of a structure 2 openable/closable, comprises a first door surface 14, second door surface 15, a door top surface 11, and a door undersurface 12. An upside gap closing means 4 for reducing or closing a gap 91 above the door top surface 11 in the closing of the door body 10 is provided on the side of the door top surface 11 of the door body 10. A downside gap closing means 5 for reducing or closing a gap 92 below the door undersurface 12 in the closing of the door body 10 is provided on the side of the door undersurface 12 of the door body 10. COPYRIGHT: (C)2008,JPO&INPIT
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