| 摘要 |
PROBLEM TO BE SOLVED: To shorten a replacing time by touching a die to a die, and conducting color changing, resin changing in parallel steps of replacing time. SOLUTION: An injection nozzle 21e inserted from a space of a die replacing truck is touched to a resin reception inlet 47a of a housing portion 47 to inject a molten resin in a die. A reaction force of the portion 47 brought into contact with the nozzle 21e is received by a nozzle touching reaction receiving material. Thus, the nozzle 21e is touched to the portion 47 in an upgrading manner to prevent leakage of the resin. A second die replacing truck is disposed at a second die stand-by position Qhb, and the second truck has finished cleaning, inspecting or the like of color changing, resin changing. In the die, its mandrel is inserted into the housing portion 47 which is brought into contact with a plate 49.
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