| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress generation of a pitted surface on a foamed molded product obtained by a counter pressure manufacturing method using an injection mold. <P>SOLUTION: The injection mold 1 has a movable mold 10 and a fixed mold 12 both of which form a cavity 14, wherein an ejection piece 24, which has a shaft 20 and a head part 22 to eject the foamed molded product molded in the cavity 14 by the head part 22, is provided to the fixed mold 12. A gas flow channel 30 for discharging counter pressure gas is formed on the back side of the head part 22 of the ejection piece 24 in the fixed mold 12. Further, a method for manufacturing the foamed molded product using the injection mold 1 is also disclosed. <P>COPYRIGHT: (C)2013,JPO&INPIT |
