| 摘要 |
A gas extraction structure ( 40 ) is used for a mold apparatus ( 100 ). The gas extraction structure connects with a mold cavity ( 300 ). The mold cavity includes an end portion of a plastic injection path ( 210 ). The gas extraction structure includes a gas vent ( 490 ), a gas vent pin ( 49 ), and a support structure ( 40 ). The gas vent communicates with the end portion of the plastic injection path. The gas vent pin received in the gas vent. The support structure is fixed with the gas vent pin and brings the gas vent pin to move in the gas vent.
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