发明名称 SHAPED ARTICLE OF RESIN AND METHOD FOR PRODUCTION THEREOF
摘要 A shaped article of resin disclosed which possesses a two-ply construction wherein the outer side of a core-layer resin foamed at a void ratio in the range of from 30 to 80% is wrapped with a skin-layer resin. This shaped article of resin is produced by a method which comprises injecting a skin-layer resin into a molding mold and subsequently or simultaneously injecting therein a core-layer resin foamed in advance in a molding device.
申请公布号 CA2051114(C) 申请公布日期 1998.01.27
申请号 CA19902051114 申请日期 1990.12.20
申请人 ASAHI KASEI KOGYO KABUSHIKI KAISHA 发明人 HORIKOSHI, MAKI
分类号 B29C44/04;B29C45/16;(IPC1-7):B29C44/06 主分类号 B29C44/04
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