发明名称 |
Traffic crash barrier - with impact-resistant polyurethane - or polystyrene foam covering |
摘要 |
<p>Cras barrier has at least the face(s) turned toward the traffic path covered with an impact energy dissipating jacket of pref. closed cell polyurethane or polystyrene half-hard foam with a low recovery. The jacket is reinforced with glass fibres.</p> |
申请公布号 |
DE2028295(A1) |
申请公布日期 |
1971.12.16 |
申请号 |
DE19702028295 |
申请日期 |
1970.06.09 |
申请人 |
VAHLBRAUK KARL HEINZ |
发明人 |
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分类号 |
E01F15/04;E01F15/14;(IPC1-7):01F15/00 |
主分类号 |
E01F15/04 |
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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