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.
申请公布号 WO9741376(A1) 申请公布日期 1997.11.06
申请号 WO1997FI00255 申请日期 1997.04.29
申请人 BOREALIS POLYMERS OY;LINDSTROEM, HELGE;NYMARK, ANDERS, E.;HEIKKILAE, PEKKA;EK, CARL-GUSTAF 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 主分类号 B29C70/06
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