发明名称 |
Precast concrete expansion joint for roads and the like |
摘要 |
Expansion joints for concrete highways consisting of precast beams with preformed joints of expansion joint material. The beams are laid crosswise of a strip of highway before pouring the concrete and provide expansion joints which are not affected by the skill of the workmen.
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申请公布号 |
US4516876(A) |
申请公布日期 |
1985.05.14 |
申请号 |
US19830456554 |
申请日期 |
1983.01.10 |
申请人 |
WICKS, HARRY O. |
发明人 |
WICKS, HARRY O. |
分类号 |
E01C11/14;(IPC1-7):E01C11/14 |
主分类号 |
E01C11/14 |
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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