| 摘要 |
PROBLEM TO BE SOLVED: To prevent the adverse influence of infiltration of moisture into the inside of a door while reducing noise when performing washing operation. SOLUTION: A lower door 7 for opening and closing the opening portion of a washing chamber 6 is constituted by combining a door inner plate 15 and a door outer plate 16, and includes an observation window 17 and a control unit 21. Inside the lower door 7, a lower sound-absorbing materia 30 having hygroscopicity is provided while being positioned between the matching section 42 of the door inner plate 15 and the door outer plate 16 at the lower part of the outer periphery section of the lower door 7 and the control unit 21 and peephole 17. An upper sound-absorbing materia 31 having hygroscopicity is also provided between the matching section 44 of the door inner plate 15 and the door outer plate 16 at the upper part of the outer periphery section of the lower door 7 and the observation window 17 and control unit 21. COPYRIGHT: (C)2009,JPO&INPIT
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