发明名称 Process and molding tool for the manufacture of molded parts having areas in the form of grids, grills or gratings, such as motor vehicle soft-faces, spoilers, bumpers from a fluid mass
摘要 The present invention is directed to a process for the manufacture of molded parts having areas in the form of grids, grills or gratings, in which a fluid mass is introduced into the mold cavity of a molding tool conforming to the molded part and the cavity is filled by said fluid mass, characterized in that in the mold cavity, the zones provided for the apertures in the areas conforming to the said grids, grills or gratings of the molded part are first flooded by the mass and the mass is subsequently displaced from these zones, and to a molding tool to be used in such process.
申请公布号 US4729863(A) 申请公布日期 1988.03.08
申请号 US19850734711 申请日期 1985.05.16
申请人 BAYER AKTIENGESELLSCHAFT 发明人 MUELLER, HEINZ;SCHULTE, KLAUS;KLIER, LOTHAR
分类号 B29C33/00;B29C37/00;B29C43/36;B29C44/38;B29C45/56;(IPC1-7):B29C45/56;B29C67/22;C08G18/08;C08G18/14 主分类号 B29C33/00
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