| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold capable of ensuring sealability in the slide part of an ejector pin and the mold, and its manufacturing method. SOLUTION: The mold 30 is equipped with a fixed mold 31, a movable mold 32 and the ejector pin 36A protruded from the movable mold 32. A slide hole 61 having the ejector pin 36A arranged therein in a freely advancing and retreating state is provided to the movable mold 32 and an expanded space part 62 having a hole expanded outward in its diametric direction is provided to a part of the slide hole 61 and a seal member 63 comprising a silicone rubber is formed to the expanded space part 62. COPYRIGHT: (C)2006,JPO&NCIPI |
