发明名称 |
FILTER TRAIN FOR UNDERGROUND COLLECTING MAINS AND METHOD FOR INTRODUCING SAID FILTER TRAIN INTO PREDETERMINED LAYERS OF SOIL |
摘要 |
The invention relates to underground collecting mains for liquids, especially collector wells and drainage pipes. Said filter train consists of a wide-meshed perforated tube or grid tube (2) with sufficient mechanical stability to be inserted in a bore (1) in the soil and a filter material (3) disposed therein. The invention further relates to a method for introducing the filter train into predetermined layers of the soil. |
申请公布号 |
WO03038227(A3) |
申请公布日期 |
2003.11.27 |
申请号 |
WO2002EP12070 |
申请日期 |
2002.10.29 |
申请人 |
TRACTO-TECHNIK GMBH;DRILLTEC GUT GMBH;BAYER, HANS-JOACHIM;BACK, MICHAEL;GAENGER, JOERG |
发明人 |
BAYER, HANS-JOACHIM;BACK, MICHAEL;GAENGER, JOERG |
分类号 |
E02B11/00;E03B3/20;E21B7/20;E21B43/08;E21B43/10 |
主分类号 |
E02B11/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|