| 发明名称 |
Buoy having excellent resistance against external pressure |
| 摘要 |
Disclosed is a buoy which comprises a high density polyethylene foam as a buoyant member, and an outer skin covering the surface of the foam. The buoy has excellent resistance against external force and the loss of the buoyancy by the reduction of the volume is minimized.
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| 申请公布号 |
US4729746(A) |
申请公布日期 |
1988.03.08 |
| 申请号 |
US19870038485 |
申请日期 |
1987.04.13 |
| 申请人 |
THE YOKOHAMA RUBBER CO., LTD.;JAPAN DRILLING CO., LTD. |
发明人 |
TAKEMAE, EIJI |
| 分类号 |
B63B5/24;B63B22/00;(IPC1-7):B63B22/00 |
主分类号 |
B63B5/24 |
| 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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