发明名称 |
Roadway barrier structure and method of making |
摘要 |
A roadway barrier structure is prepared by laying a porous fabric upon a base course, bonding a barrier structure upon a portion of the porous fabric that rests upon the base course, and placing at least a portion of a traffic-bearing course upon a portion of the porous fabric that rests upon the base course and extends beyond the barrier structure.
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申请公布号 |
US4068968(A) |
申请公布日期 |
1978.01.17 |
申请号 |
US19760706030 |
申请日期 |
1976.07.16 |
申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
GAGLE, DUANE W.;DRAPER, HOMER L. |
分类号 |
E01C11/22;(IPC1-7):E01C11/22 |
主分类号 |
E01C11/22 |
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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