| 摘要 |
PURPOSE:To prevent an occurence of a failure in a product in the molding of a casting resin. CONSTITUTION:A thermosetting resin 4 is cured in the following construction: a plurality of stages of hot platens 5, 6, 7 are mounted on the outer walls of a mold 1, and a temperature gradient is uniformly provided by changing vapor pressures passing through the vapor holes provided in the hot platens. |
