| 发明名称 |
TAPERED BOOM HOSE |
| 摘要 |
<p>A concrete boom hose is provided with a first end that is connected to t he outermost end of a series of concrete pipes and a second end through which t he flowing concrete exits. The second end is provided with an inner diameter that is smaller than the inner diameter of the first end that is connected to the concrete pipe.< /SDOAB></p> |
| 申请公布号 |
CA2416217(A1) |
申请公布日期 |
2004.04.15 |
| 申请号 |
CA20032416217 |
申请日期 |
2003.01.13 |
| 申请人 |
CONSTRUCTION FORMS, INC. |
发明人 |
ALTAMIRANO, ROLANDO;LEHNHARDT, GARY D. |
| 分类号 |
E04G21/04;(IPC1-7):E04G21/04 |
主分类号 |
E04G21/04 |
| 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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