| 发明名称 |
GRAVEL-PACKED PIPELINE AND METHOD AND APPARATUS FOR INSTALLATION THEREOF |
| 摘要 |
A gravel-packed pipeline is formed by inserting a liner pipe having a porous pipe contained therein. A conveyor pipe is attached to the liner pipe for conveying filtering material such as gravel. After positioning the liner pipe, the end of the porous pipe is pushed out and anchored. The liner is removed while the filtering material is conveyed to the hole. |
| 申请公布号 |
AU2900992(A) |
申请公布日期 |
1993.06.07 |
| 申请号 |
AU19920029009 |
申请日期 |
1992.10.23 |
| 申请人 |
EVI CHERRINGTON ENVIRONMENTAL, INC. |
发明人 |
MARTIN D. CHERRINGTON |
| 分类号 |
B08B9/02;E21B21/12;E21B23/01;E21B41/00;E21B43/04;E21B43/10;F16L1/024;F16L1/028;F16L55/00 |
主分类号 |
B08B9/02 |
| 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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