| 发明名称 |
SOUND ABSORBER IN RAILWAY TUNNEL AND CERAMIC SOUND ABSORBING PANEL INSTALLING METHOD |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a technology capable of arranging a large number of ceramic sound absorbing panels in a desired place of a railway tunnel inner wall, and capable of reducing the number of chemical anchors to be used. <P>SOLUTION: A rail-shaped installing tool 13 is fixed to the tunnel inner wall 9 by the chemical anchors 10 and bolts 11, and a plurality of ceramic sound absorbing panels 1 are juxtaposed on the installing tool 13, and are fixed by bolts 14. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
| 申请公布号 |
JP2004360340(A) |
申请公布日期 |
2004.12.24 |
| 申请号 |
JP20030161553 |
申请日期 |
2003.06.06 |
| 申请人 |
MITSUBISHI HEAVY IND LTD;NATIONAL TRAFFIC SAFETY & ENVIRONMENT LABORATORY;OGATA MASATAKE;WEST JAPAN RAILWAY CO |
发明人 |
UCHINO MAKOTO;HARA TADAHIKO;SEKI SHIRO;ASAHI AKIRA;RIKITAKE KENJI;OGATA MASATAKE;FUJIWARA KYOJI;TAKAHASHI RYOICHI;YOSHIDA SHUNICHI |
| 分类号 |
E01F8/00;E01B19/00;E04B1/86;(IPC1-7):E01F8/00 |
主分类号 |
E01F8/00 |
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