| 摘要 |
A molding mold includes a runner to fill a molding material from a sprue to a cavity, the runner including a bent portion, in which a cross-sectional area of a flow channel passing through an inner side of the bent portion and a cross-sectional area of a flow channel passing through an outer side of the bent portion are different from each other in at least one region along the runner from the bent portion to the cavity.
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