| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a die apparatus for casting, which can reliably discharge a gas inside a cavity even if a plurality of overflowing portions are provided thereto. <P>SOLUTION: The die apparatus 10 for casting includes: a cavity 11 for forming a casting-molded product; the plurality of overflowing portions 23, 33 which extend from the cavity 11, and to which a molten metal fed into the cavity 11 overflows; a depressurizing means 14 for depressurizing the cavity 11 and the overflowing portions 23, 33; a gas flow passageway 34 which communicates the plurality of overflowing portions 23, 33 with the depressurizing means 14 and allows the molten metal to enter the gas flow passageway; and a gas only flow passageway 36 which communicates the plurality of overflowing portions 23, 33 with the depressurizing means 14 and is prevented from being blocked by the molten metal. <P>COPYRIGHT: (C)2013,JPO&INPIT |
