| 摘要 |
PROBLEM TO BE SOLVED: To manufacture a mold using a thin plate at a low cost and to facilitate alteration of a molding cavity. SOLUTION: The mold is constituted of a female mold 1 and a male mold 2, and the molds 1 and 2 are respectively formed by laminating a large number of thin plates 3 and 4. The respective thin plates 3 and 4 are arranged so that the respective plane directions thereof become parallel to mold registering directions C and D, and a molding cavity 7 is formed between the end surfaces 8 and 9 on the side of the molding cavity of them, and the end surfaces 8 and 9 on the side of the molding cavity are covered with flexible plate-shape members 10 and 11. A cooling liquid is injected in the gaps formed between the end surfaces 8 and 9 on he side of the molding cavity and the flexible plate-shape members 10 and 11 to be circulated.
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