| 摘要 |
PROBLEM TO BE SOLVED: To manufacture a lighting instrument lens of beautiful appearance to be manufactured with economical advantage by using a conventional molding machine and having lovely processing works of two different kinds or more on its surface on which a beautiful processed face is not exposed outside. SOLUTION: A lighting instrument lens is composed of a laminate formed of two films or sheets 1 and 1', at least one of which is provided with functions, and also beautiful processed faces 2 and 2', on which letters, marks, colors, patterns and the like are disposed, inserted between the two films or sheets 1 and 1' of the laminate, and the laminate is interposed in an injection molding die cavity, and molten thermoplastic resin is injected into the mold cavity, and the laminate is integrated with the injected resin. |
