| 摘要 |
<P>PROBLEM TO BE SOLVED: To control the shape and formed position of a weld line formed on a cavity product. Ž<P>SOLUTION: A molding die 1 includes a runner for filling a molding material into a cavity 15 from a sprue 11. The runner has a bent portion 16, and a cross-sectional area of a passage passing through the inside of the bent portion 16b and a cross-sectional area of a passage passing through the outside of the bent portion 16b are different from each other in at least a portion along the runner from the bent portion 16b to the cavity 15b. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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