发明名称 Lens for a vehicular lamp and manufacturing method for the same
摘要 In a vehicular lamp 10 having a lens 40 in which plastic molded portions 41, 42, 43 respectively having two or more colors are integrally formed, the lens is formed by injection molding process. As compared with the molecular weight of a plastic constituting each of first plastic molded portions 41, 43 , which are earlier injected, the molecular weight of a plastic, which constitutes a plastic molded portion 42 to be injected after the injection of the first plastic molded portions, is set to be small.
申请公布号 US2005174798(A1) 申请公布日期 2005.08.11
申请号 US20050050866 申请日期 2005.02.07
申请人 KOITO MANUFACTURING CO., LTD. 发明人 IKEDA TOSHIMASA;NAKAJIMA MASAMI
分类号 B29C45/14;B29C45/00;B29C45/16;B29K33/04;B29K69/00;B29L11/00;B60Q1/26;F21V5/00;(IPC1-7):F21V5/00 主分类号 B29C45/14
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