| 摘要 |
PROBLEM TO BE SOLVED: To provide a means for producing a blow-molded article which has a recessed part and a uniform wall thickness. SOLUTION: A mold for producing a blow-molded article having the recessed part in which plate-shaped pins are fitted to the upper side and/or lower side of a protruded part corresponding to the recessed part of the article, a blow molding method using the mold, and the blow-molded article are provided. |
