| 发明名称 |
BREAKAWAY TIMBER SUPPORT POLES |
| 摘要 |
Timber support poles are given desired breaking properties to reduce the deceleration of a vehicle that collides with the pole by cutting one or more recesses in the pole, and filling the recesses with a polymeric filler composition. |
| 申请公布号 |
ZA8300151(B) |
申请公布日期 |
1983.10.26 |
| 申请号 |
ZA19830000151 |
申请日期 |
1983.01.10 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING CO |
发明人 |
KUYKENDALL CHARLES R.;CASTLE RICHARD BROOKE |
| 分类号 |
E01F9/018;E04H12/04 |
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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