发明名称 THERMOFORMABLE COMPOSITE SHEET
摘要 An improved shaped article comprising a thermoformed composite sheet (20), which is a layer of thermoplastic polymer (22) attached to a surface of a lightweight conformable fabric (24), the oth er surface of the fabric being attached to a layer of rigid foam (30), provides the article with improved wall thickness uniformity and impact resistance.
申请公布号 CA2115997(A1) 申请公布日期 1993.03.04
申请号 CA19912115997 申请日期 1991.08.20
申请人 DU PONT 发明人 ZAFIROGLU DIMITRI P
分类号 B29C39/10;B29C51/14;B29K75/00;B29K105/04;B29L9/00;B32B5/18;B32B27/12;(IPC1-7):B32B3/26;B32B5/20 主分类号 B29C39/10
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