| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold assembly, which can form a hollow part up to a required portion when a product having the hollow part and a solid part is formed. SOLUTION: The mold assembly is provided with a first mold portion 10, a second mold portion 11, a gate portion 13, a pressurized fluid introducing portion 14, and a movable core 20. A cavity 30 provided in the mold assembly is composed of a first cavity portion 31 for forming the solid part of the product to be formed, and a second cavity portion 32 for forming the hollow part of the product to be formed. The pressurized-fluid introducing portion 14 is arranged at the portion of the mold composing the second cavity portion 32. The movable core 20 is arranged at the portion of the mold composing the first cavity portion 31. COPYRIGHT: (C)2004,JPO
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