| 摘要 |
PURPOSE: A vent device for a tire vulcanizing mold is provided to smoothly operate the vent device by preventing the rubber from adhering to a spring. CONSTITUTION: A vent device(1) for a tire vulcanizing mold comprises a casing(100) and a vent unit(300) for preventing the rubber from flowing. The casing is equipped on a vent hole of the tire vulcanizing mold. The vent unit is equipped inside the casing by an elastic member(200) to be moved. The vent unit prevents the rubber from adhering to the elastic member. The vent unit is formed to isolate the elastic member. The vent unit includes a transfer guiding unit(310) in a rod shape and a valve body(320). The transfer guiding unit is installed in the bottom(110) of the casing. The valve body includes a transfer guiding unit groove(322) formed inside the transfer guiding unit to be extrapolated.
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