发明名称 |
Counter pressure casting and counter pressure casting device. |
摘要 |
<p>A counter pressure casting and a counter pressure casting device in which the pressures in a furnace (3) side and a casting mold (4) side are set to be lower than the maximum pressure of the process at a stage of the molten metal charging and increased to the maximum after the molten metal charging provide a casting having less casting defects and improve the productivity. <IMAGE></p> |
申请公布号 |
EP0564774(A1) |
申请公布日期 |
1993.10.13 |
申请号 |
EP19930101901 |
申请日期 |
1993.02.08 |
申请人 |
HITACHI METALS, LTD. |
发明人 |
WATANABE, FUKASHI;HAMA, SHIGEO;MINAMI, NORIO |
分类号 |
B22D18/04;B22D18/06;B22D18/08 |
主分类号 |
B22D18/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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