发明名称 SOFT MOLDING METHOD
摘要 A SOFT MOLDING METHOD A method of producing glass fiber mat reinforced plastic panels having at least one smooth appearance surface in a set of two matched mold members having interior mold surfaces defining a mold cavity contained therein of which at least one said interior surface being the mirror image of the appearance surface of said panel, said method comprising the steps of placing at least one lager of glass fiber mat in said mold cavity, pouring a polymeric material into said cavity saturating said glass fiber mat, closing said two mold members together with at least one layer of a flexible sheeting material disposed over and adjacent to the interior mold surface opposing said interior mold surface producing the appearance surface of said panel, clamping said two mold members together, curing said polymeric material for a sufficient time into a hard plastic panel, and opening said matched mold members and demold a finished panel having at least one smooth appearance surface.
申请公布号 CA1325322(C) 申请公布日期 1993.12.21
申请号 CA19890600492 申请日期 1989.05.24
申请人 GENERAL MOTORS CORPORATION 发明人 KIA, HAMID G.
分类号 B29C45/00;B29C33/56;B29C45/14;B29C45/16;B29C70/46;B29K105/08;B29L9/00;(IPC1-7):B29C67/14 主分类号 B29C45/00
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