| 发明名称 |
Method of making a plastic sewer |
| 摘要 |
<p>A plastic pipeline, especially for sewage, having a smooth inner pipe and a corrugated outer pipe, connected thereto, which can be connected via sleeve joints to an identical or a different conventional, standardised pipe, the latter being a co-extruded or composite pipe which is broadened in its one end region into a pipe sleeve. <IMAGE></p> |
| 申请公布号 |
EP0385465(B2) |
申请公布日期 |
1999.06.16 |
| 申请号 |
EP19900103991 |
申请日期 |
1990.03.01 |
| 申请人 |
PIPELIFE ROHRSYSTEME GMBH |
发明人 |
HETZENECKER, HEINZ;MEYER, WOLFGANG;OTHOLD, ROLF |
| 分类号 |
B29C47/00;B29C57/02;F16L9/06;F16L9/128;F16L11/11;F16L25/00;(IPC1-7):F16L11/11 |
主分类号 |
B29C47/00 |
| 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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