发明名称 Moulded panel and the method of its manufacture
摘要 At least one polyurethane cellular support sheet is impregnated in different zones with one or more polymerizable polyurethane mixtures and then molded while polymerization occurs to produce a shaped panel with zones or portions of different stiffness, and with or without one or more cover materials or inserts or fastening elements.
申请公布号 US4042751(A) 申请公布日期 1977.08.16
申请号 US19760646929 申请日期 1976.01.06
申请人 ROTH, JACQUES 发明人 ROTH, JACQUES
分类号 B32B5/18;B29C39/00;B29C39/10;B29C44/00;B29C44/56;B29C70/08;B29C70/46;B29K75/00;B29L31/58;B60R13/02;C08J5/12;C08L75/04;(IPC1-7):B32B27/40;B32B3/26 主分类号 B32B5/18
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