发明名称 SANDWICH BOARD AND PROCESS FOR MANUFACTURING IT
摘要 A sandwich board comprises a core made of a derived timber product (12) arranged between two layers of plastic (22), at least one of which contains an inorganic filling material. To improve the coloring properties, a coloured layer (20) is arranged adjacent to the core on the sides of the filled plastic layer which is not less than approximately 3 mm thick.
申请公布号 WO8911240(A1) 申请公布日期 1989.11.30
申请号 WO1989EP00538 申请日期 1989.05.17
申请人 SCHOCK & CO. GMBH;E.I. DU PONT DE NEMOURS & COMPANY 发明人 SCHOCK, FRIEDRICH
分类号 A47B13/08;A47B96/18;B29C39/10;B29C39/24;B29C70/70;B29C70/74;B32B21/08;(IPC1-7):A47B96/18;B44C5/04 主分类号 A47B13/08
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