| 摘要 |
PROBLEM TO BE SOLVED: To improve moldability.SOLUTION: A mold 100 comprises at least one of a first die 101 and a second die 102, with engaging recesses 101a, 101a, 101a formed on one side of at least one of the first die and the second die, making contact with molten resin. A first engaging projection 8, a second engaging projection 9 and a third engaging projection 10 are molded using the mold, and are positioned in the engaging recesses and engaged with the mold when cooling the molten resin, to suppress shrinkage due to the cooling. |
