| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold for injection molding using a cavity insert mold which can be replaced easily in a short time by a simple work. SOLUTION: The mold 10 for injection molding is composed of a fixed mold 11 and a movable mold 12 and has the cavity insert mold 13 forming part of a molding surface attachably/detachably inside the fixed mold or the movable mold and a cavity insert mold attaching/detaching device 20. The cavity insert mold attaching/detaching device is arranged in a through-hole 12a formed in the fixed mold or the movable mold. A second engagement part 21 which can engage with a first engagement part 14 set in the cavity insert mold inserted through the through-hole, a cavity insert mold releasing member 22 releasing the engagement with the second engagement part by pushing the first engagement part of the cavity insert mold engaged with the second engagement part outside, and an operation member 23 moving the cavity insert releasing member in the release direction are provided in the mold 10. COPYRIGHT: (C)2006,JPO&NCIPI
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