To provide a production method which can produce a molded article having a plurality of holes so as to precisely mold the edge parts of the holes without producing a weld line.
The method for producing the molded article 13, which has a plate-shaped part with the plurality of holes 12, includes a process in which a first molded article (not shown in Fig.) with a shape not having the plurality of holes 12 in its plate-shaped part is molded by using a first mold (not shown in Fig.) having a cavity of which the shape has the plate-shaped part having the plurality of holes of the molded article 13 to inject a molten molding material in the cavity and a process in which the first molded article, which has the plate-shaped part having the plurality of holes 12 in a cooled and solidified state, is taken out of the first mold.
Katsuhiro Ito
Ishibashi Masayuki
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