| 摘要 |
An injection molding method is provided to remarkably reduce the inferiority rate of final foamed products by preventing intrusion between a foaming material and a functional foamed portion. An injection molding method includes the steps of: machining a linearly formed body(10), preparing for a mold(260) including a cavity(262) and a plurality of positioning units(264), positioning the linearly formed body on the positioning unit of the mold, and forming simultaneously foaming material and the linearly formed body positioned on the positioning unit by closing the mold and injecting the foaming material into the cavity.
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