| 摘要 |
PROBLEM TO BE SOLVED: To produce an injection-molded article good in appearance without being made disadvantageous from an aspect of cost. SOLUTION: In a method for producing an injection molded article wherein at least one end portion of a plate-shaped molded article l is thick, a gas injected molded portion 13 thicker than the plate-shaped molded article 1 is integrally injection-molded to at least one end portion of the plate-shaped molded article 1 through a hinge portion 12 and folded back from the hinge portion 12 to be bonded to one surface of the plate-shaped molded article 1.
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