| 摘要 |
PROBLEM TO BE SOLVED: To efficiently perform a casting work by accurately observing a casting state and a curing state of a liquid resin which is cast. SOLUTION: When a casting molding is performed by casting a thermally curable resin in a mold, to the mold 1 which is connected to a power source 8, an electrode 4 is provided under an insulated state from the mold 1. At the same time, on the electrode 4, a circuit constitution having a current meter 7 (electricity quantity detecting means) is provided. The current meter 7 can detect a variation of the electricity quantity accompanying the conduction between the electrode 4 and the mold 1 due to the increase of the liquid level of the cast liquid resin. Thus, the casting state can be observed by this constitution.
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