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
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