| 发明名称 |
Pressure equalizing ring for connections between drive-in pipes |
| 摘要 |
<p>The pressure equalisation ring (1), inserted between the end faces (4a) of adjacent pipeline sections (4), has a number of pressure transmission elements (2) of an elastomer material, which are spaced relative to one another in the pipeline axial plane and which are provided with parallel axial pressure surfaces.</p> |
| 申请公布号 |
EP1079064(B1) |
申请公布日期 |
2008.04.16 |
| 申请号 |
EP20000117428 |
申请日期 |
2000.08.11 |
| 申请人 |
BAUMGARTNER, FRANZ, DIPL.-ING. |
发明人 |
BAUMGARTNER, FRANZ, DIPL.-ING. |
| 分类号 |
E21B17/08;E21B7/20;E21B17/04;E21B17/07;E21D9/00;F16L21/02;F16L21/035;F16L25/00 |
主分类号 |
E21B17/08 |
| 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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