公开(公告)号：US20160346987A1

公开(公告)日：2016-12-01

申请号：US15157844

申请日：2016-05-18

Applicant: Plastic Omnium Advanced Innovation and Research

Inventor： Yvonnig GUEZENNEC ,  Stephane TOUTAIN ,  Jean-Francois COING ,  Serge DUPONT

IPC: B29C49/22 ,  B29C49/60 ,  B29C65/02 ,  B29C49/78

CPC classification number: B29C49/22 ,  B29C49/0047 ,  B29C49/04 ,  B29C49/20 ,  B29C49/60 ,  B29C49/783 ,  B29C65/02 ,  B29C2049/0057 ,  B29C2049/0063 ,  B29C2049/2008 ,  B29L2031/712 ,  B29L2031/7172 ,  B60K15/03177 ,  B60K2015/03032 ,  B60K2015/03453

Abstract: A method for manufacturing a hollow body, typically a tank, from a plastic material. The method includes molding a preform into shells in a molding tool; joining an insert to an inner surface of a shell of said shells, the insert defining a sub volume within the hollow body to be made; joining together the shells to form the hollow body by closing the molding tool and applying a main pressure to a main volume enclosed by the shells. It is proposed to apply a sub pressure to the sub volume while applying the main pressure to the main volume, such that a pressure difference between the main volume and the sub volume is bigger than 0.20 bar (P1′−P2′>0.20 bar) and smaller than 3.00 bar (P1′−P2′

Abstract translation: 用于从塑料材料制造中空体（通常为罐）的方法。 该方法包括在模制工具中将预制件模制成壳体; 将插入件接合到所述壳体的壳体的内表面中，所述插入件在要制造的中空体内限定子体积; 通过关闭模制工具并将主压力施加到由壳包围的主体积上，将壳体接合在一起以形成中空体。 建议在将主压力施加到主体积的同时向副体积施加副压力，使得主体积和副体积之间的压力差大于0.20巴（P1'-P2'> 0.20巴） 小于3.00巴（P1'-P2'<3.00巴）。