| 摘要 |
PROBLEM TO BE SOLVED: To surely press a loose core projected from a cavity into the cavity when clamping is performed. SOLUTION: In this mold for molding, a loose core 38 which can be projected from a cavity 44 and constitutes a part of a mold core piece for forming a resin molded article 1 is provided in one of a pair of molds facing each other. In addition, a pressing spring 47 pressing the loose core 38 in the pressing direction into the cavity 44 is provided in another mold.
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