| 摘要 |
PROBLEM TO BE SOLVED: To naturally act an additional pushing force to a mold in addition of a mold pushing force with the conventional blow-candle when the molds for the blowing type are opened. SOLUTION: In a shaft hole penetrately formed in the vertical direction as parallel with a blow hole 5 to the upper metallic mold 3, a mold pushing shaft 32 is newly arranged so as to be vertically movable. The mold pushing shaft 32 is energized upward with a closing spring material 33 to always close the lower end opening part of the shaft hole at the lower end part of the mold pushing shaft 32. A second pushing pin 42 is fitted to an upper pushing plate 40 through a spring material 44 for buffering. When the molds are released, the upper end part of the blow-candle 7 is pushed with a first pushing pin 41 in the upper pushing plate 40 disposed at the upper part of the upper metallic mold 3 as the same of the conventional way, and simultaneously, the upper end part of the newly arranged mold pushing shaft 32 is pushed against the closing spring material 33 with the second pushing pin 42.
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