| 摘要 |
PROBLEM TO BE SOLVED: To efficiently vent outward a gas in a cavity and a gas volatilized from a molten resin when a resin is filled into a mold for injection molding of a columnar molded article. SOLUTION: A method for venting when the molded article is molded by injecting a molten resin material into the cavity 9 of a mold for molding is provided. A vent port 10 for venting a gas in the cavity is formed in an ejecting member 12 for taking out the molded article from the mold for molding. When the molten resin material is injected into the cavity, the gas in the cavity is vented outside of the mold for molding from the vent port. COPYRIGHT: (C)2004,JPO&NCIPI
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