| 摘要 |
PROBLEM TO BE SOLVED: To provide a door capable of ensuring air permeability in the upper part of the door. SOLUTION: The door 1 has a door body 1d having a first door surface 1a having an interview with one room K1 and a second door surface 1b having an interview with the other room K2. The door body 1d has an upper air hole 40 provided in an upper area of the door body 1d. The upper air hole 40 includes a first upper opening 41 provided to at least one of the upper area of the first door surface 1a of the door body 1d and a door upper surface 1u, a second upper opening 42 provided to at least one of an upper area of the second door surface 1b of the door body 1d and the door upper surface 1u and an upper communicating conduit 43 communicating with the first upper opening 41 and the second upper opening 42. It is preferred that a sound insulation member 15 is provided between a door frame 18 and the door body 1d. COPYRIGHT: (C)2005,JPO&NCIPI
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