| 发明名称 |
PRESSURE TUBE OF A PLASTIC MATERIAL |
| 摘要 |
The invention relates to a multi-layer pressure pipe of a plastic material. The multi-layer pressure pipe is formed by using as the extruder an extruder which cross-orients the reinforcement fibers in the extruded material in the successive layers, and the material extruded is a polyolefin which contains long-fiber reinforcements.
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| 申请公布号 |
CA2252932(C) |
申请公布日期 |
2006.12.19 |
| 申请号 |
CA19972252932 |
申请日期 |
1997.04.29 |
| 申请人 |
BOREALIS POLYMERS OY |
发明人 |
EK, CARL-GUSTAF;NYMARK, ANDERS E.;LINDSTROM, HELGE;HEIKKILA, PEKKA |
| 分类号 |
B29C70/06;F16L9/12;B29C47/06;B29C47/24;B29C47/52;B29K23/00;B29K105/14;B29L23/00;F16L9/133;F16L11/04 |
主分类号 |
B29C70/06 |
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