| 摘要 |
PROBLEM TO BE SOLVED: To provide an insert molding method for a casing which facilitates the application of an adhesive to a metal outside appearance member by adding a diluent to the adhesive for dilution, softening the adhesive at an injection molding temperature and bonding a plastic member, the adhesive and the metal outside appearance member to one another by heating. SOLUTION: The insert molding method comprises a step of preparing the metal outside appearance member, an application step of applying the adhesive to the inside surface of the metal outside appearance member, a step of heating the metal outside appearance member applied with the adhesive to solidify the adhesive and bonding the adhesive to the metal appearance member, a step of attaching the metal outside appearance member to a plastic injection molding mold, injection-molding a heat-molten plastic member to the upper surface of the solidified adhesive of the metal outside appearance member, softening the adhesive at the injection temperature for the heat-molten plastic member to bond the plastic member with the adhesive, then solidifying the plastic member and the adhesive so as to form a plastic layer composed of the solidified plastic member on the metal outside appearance member and a step of taking out the product of the metal outside appearance member. The method improves the rate of non-defective items and shortens a time of a production process effectively. COPYRIGHT: (C)2011,JPO&INPIT
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