发明名称 Method of producing a thick, thermoformable, fiber-reinforced semi-finished product
摘要 The invention relates to a continuous method of producing a thick, thermoformable, from a thermoplastic material and reinforcing fibers. The inventive method comprises the following steps: A) blending thermoplastic fibers and reinforcing fibers to give a dry-laid blended web, B) consolidating the blended web by needle felting, C) heating the consolidated blended web, and D) compacting it to give a semi-finished product.
申请公布号 US2004112501(A1) 申请公布日期 2004.06.17
申请号 US20030472530 申请日期 2003.10.24
申请人 DITTMAR HARRI 发明人 DITTMAR HARRI
分类号 B29B15/10;B29C70/46;B29C70/50;D04H1/4218;D04H1/485;(IPC1-7):B32B31/00 主分类号 B29B15/10
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