发明名称 |
UTILITY POLE |
摘要 |
A utility pole comprises a hollow elongate body (1) formed from a composite material including reinforcing fibres embedded in a matrix material and an energy-absorbing region comprising at least one elongate weakened zone (2, 4, 12) formed in the hollow elongate body (1), the at least one weakened zone promoting delamination of the fibres and the matrix material if a vehicle strikes the utility pole. |
申请公布号 |
CA2794871(A1) |
申请公布日期 |
2011.10.06 |
申请号 |
CA20102794871 |
申请日期 |
2010.04.01 |
申请人 |
GRIFFITHS, MICHAEL;JARVIE, JOHN MICHAEL |
发明人 |
GRIFFITHS, MICHAEL;JARVIE, JOHN MICHAEL |
分类号 |
E01F9/018;E01F15/00;E04H12/00 |
主分类号 |
E01F9/018 |
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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