发明名称 Process for producing back-foamed mouldings
摘要 In a process for producing back-foamed mouldings, in which a surface material is laid in a foam mould and subsequently a foam-forming reactive mixture is introduced, it is proposed according to the invention, in order to repair defects in the back-foamed part, that after introduction and foaming of the foam-forming reactive mixture a polymer is introduced into predetermined, in particular foam-free, regions of the moulding. <IMAGE>
申请公布号 DE3447928(A1) 申请公布日期 1985.10.31
申请号 DE19843447928 申请日期 1984.04.18
申请人 METZELER SCHAUM GMBH 发明人 WETZEL,HERMANN
分类号 B29C44/18;(IPC1-7):B29C67/20 主分类号 B29C44/18
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