| 摘要 |
A molding apparatus (30) is configured so as to form a molten metal holding space (41a) by dividing the inside of a connecting portion (41) into the molten metal holding space (41a) and a molten metal supply port-side space (41b) by closing an on-off valve (42), and pump up molten metal (5) from a molten metal furnace (50) into the molten metal holding space (41a) of the connecting portion (41) with a pump (40). Then a pressure of the molten metal (5) that has been pumped up into the molten metal holding space (41a) is reduced by a pressure-reducing portion, and the molten metal holding space (41a) inside the connecting portion (41) is communicated with a molten metal supply port (6) of an injection sleeve (2) by opening the on-off valve (42), and the molten metal (5), the pressure of which has been reduced in the molten metal holding space (41a), is supplied into the injection sleeve (2). |
