| 摘要 |
PROBLEM TO BE SOLVED: To provide a thin-walled foamed blow molded product further reduced in its wall thickness by reducing puncture at the time of blow molding, and a method for manufacturing the same. SOLUTION: A molten resin containing a chemical foaming agent or a gas mixed molten resin is extruded as a parison from a die 1 and a part of the parison 2 is grasped by a pulling means 3 to be forcibly pulled to reduce the wall thickness of the parison 2 and, subsequently, a mold is clamped to perform the blow molding of the parison.
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