发明名称 |
Pavement for automobile test course |
摘要 |
A concrete block has a first and a second hole passing through the concrete block in a vertically direction. An internal thread is formed in the first and the second hole. A plurality of tiles have a slipping resistivity. The tiles are arranged in order on an upper surface of the concrete block. The first and the second hole each have at a level of the upper surface an open region smaller than a respective tile.
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申请公布号 |
US6102614(A) |
申请公布日期 |
2000.08.15 |
申请号 |
US19980154112 |
申请日期 |
1998.09.16 |
申请人 |
THE NIPPON ROAD COMPANY LIMITED |
发明人 |
YUKAWA, WATARU |
分类号 |
E01C5/00;E01C9/00;E01C23/10;(IPC1-7):E01C5/00;E01C5/04;E01C5/22 |
主分类号 |
E01C5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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