| 摘要 |
PROBLEM TO BE SOLVED: To secure a symmetric property of a wall, and to effectively prevent impact noise etc. from being transmitted to the next door or the next room without largely increasing the thickness of the wall. SOLUTION: The partition wall (50) of a hollow triple-wall structure includes a center wall (51) of a fire-resistant structure having a center face material section (60) arranged at the position of a wall core, and outer walls (52) having outer face material sections (70). The outer face material sections have hollow parts (68) of the same thicknesses at both sides of the center face material section. The center wall includes a stud (61) supporting the center face material section by a panel strip (67) of a sound insulating material. The outer wall includes a stud (64) supporting the outer face material section by a panel strip (77) of a sound insulating material. COPYRIGHT: (C)2011,JPO&INPIT
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