发明名称 Method for producing rear-injected plastic moulded parts
摘要 Described is a method for producing rear-injected plastic moulded parts consisting of a decorative layer, a foam layer, and a substrate; each of which respectively consisting of polyolefins. According to the method, the decorative layer and the foam layer are inserted into an injection mould in the form of a composite, and are then rear-injected with the substrate material into the closed injection mould. In order to structure the outer surface of the decorative layer on the finished moulded part as desired, the inner surface of the injection mould, against which the decorative layer is applied, is structured in a complementary manner. A foam layer formed from closed cells is used, the layer being permanently compressed during the hardening of the substrate material in the closed injection mould according to the structuring of the surface of the injection mould. The structuring of the surface of the injection mould can be obtained by correspondingly shaping the surface itself or by inserts which are to be arranged between the surface of the injection mould and the decorative layer.
申请公布号 US2006147697(A1) 申请公布日期 2006.07.06
申请号 US20030542095 申请日期 2003.12.22
申请人 MEDINA-GALARZA JUAN;VILARASAU-DURANY MARTA 发明人 MEDINA-GALARZA JUAN;VILARASAU-DURANY MARTA
分类号 B32B3/26;B29C33/40;B29C45/14;B29C45/26;B29C45/37;B32B9/00 主分类号 B32B3/26
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