PROCESS FOR MANUFACTURING A HOLLOW BODY

申请号 PCT/EP2012076827 申请日 2012-12-21 公开(公告)号 WO2013093089A3 公开(公告)日 2013-09-06
申请人 INERGY AUTOMOTIVE SYSTEMS RES; CRIEL BJORN; DE KEYZER PIERRE; BOUCAUX ERIC; 发明人 CRIEL BJORN; DE KEYZER PIERRE; BOUCAUX ERIC;
摘要 The present invention relates to a process for manufacturing a hollow body comprising a thermoplastic wall and a fibrous reinforcement welded on at least one portion of the outer surface of said wall, the fibrous reinforcement comprising a thermoplastic similar to or compatible with that of the wall of the hollow body, having a thickness of at least 1 mm and comprising from 30 to 60% in weight of fibres, according to which: . the portion of the outer surface of the hollow body, where the reinforcement will be welded, is heated; . the fibrous reinforcement is also heated so as to soften or even preferably melt the thermoplastic of the reinforcement; and . the reinforcement is moved to and applied to said portion of the outer surface of the hollow body, wherein the step of applying the reinforcement to said portion of the outer surface of the hollow body comprises: . applying an initial pressure on at least one portion of the reinforcement; . applying pressure for the final welding using robotized pressure applying means.
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