| 摘要 |
PROBLEM TO BE SOLVED: To solve a trouble wherein together with a mold assembly its insulating panel must be prepared, its manufacture is troublesome, a front end of the assembly becomes high priced; since it is fixed with a bolt, when the mold is frequently exchanged, the insulating panel must be also exchanged, therefore a productivity is deteriorated, and especially in so-called trial molding to be carried out before mass production, the abovementioned trouble becomes distinguished. SOLUTION: The insulating panel is provided for preventing a temperature of the mold assembly from lowering, which is the insulating panel which is freely detachably attached to the mold assembly.
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