| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that, although an air blow is passed between a mold and a molding through the clearance between a mold having an air passage hole and a mold core installed concentrically for demolding, since the passage route of the air blow is one line, the core of the mold core is vibrated, the clearance between the mold and the mold core is made uneven, the amount of the air blow to be passed is biased, and deformation is generated. SOLUTION: Air from air passage holes 14 penetrating the clamp area insert 10 of a lower side movable template is supplied from an annular air outlet divided into a plurality of passage routes by partition plates 18 to the whole lower surface of the molding 17 through the clearance between the clamp area insert 10 and the mold core 12, so that the lower surface of the molding 17 is separated from the mold.
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