发明名称 |
PRESSURE TUBE OF A PLASTIC MATERIAL |
摘要 |
The invention relates to a multi-layer pressure pipe (20) of a plastic material. The multi-layer pressure pipe (20) is formed by using as the extruder an extruder (10) which cross-orients the reinforcement fibers in the extruded material in the successive layers (21, 22, 23, 24), and the material extruded is a polyolefin which contains long-fiber reinforcements.
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申请公布号 |
CA2252932(A1) |
申请公布日期 |
1997.11.06 |
申请号 |
CA19972252932 |
申请日期 |
1997.04.29 |
申请人 |
BOREALIS POLYMERS OY |
发明人 |
LINDSTROEM, HELGE;NYMARK, ANDERS E.;HEIKKILAE, PEKKA;EK, CARL-GUSTAF |
分类号 |
B29C70/06;B29C47/06;B29C47/24;B29C47/52;B29K23/00;B29K105/14;B29L23/00;F16L9/12;F16L11/04;(IPC1-7):F16L9/12;F16L9/133 |
主分类号 |
B29C70/06 |
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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