| 摘要 |
PURPOSE: An injection mold is provided to increase the space efficiency as a slide core is not protruded outside of the injection mold. CONSTITUTION: An injection mold comprises a movable unit(20), which moves a slide core. The movable unit comprises a shoulder bolt(22), a block(24), an elastic unit(23), and a stopper. The shoulder bolt slides in a space formed inside the injection mold. The block guides the shoulder bolt, and is fixed to the slide core(10). The elastic unit moves the slide core by generating a tensile force. The stopper is formed inside the space, and restricts the movement of the shoulder bolt.
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