发明名称 |
PRECISION CASTING APPARATUS |
摘要 |
PROBLEM TO BE SOLVED: To provide a precision casting apparatus correcting defect caused by local spouting of inert gas. SOLUTION: This precision casting apparatus is formed of plural pierces of gas spouting holes opened at the upper part of a crucible on a chamber cover so that the locally concentrated gas flow does not blow into molten metal.
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申请公布号 |
JP2002113566(A) |
申请公布日期 |
2002.04.16 |
申请号 |
JP20000305751 |
申请日期 |
2000.10.05 |
申请人 |
SANSHA ELECTRIC MFG CO LTD |
发明人 |
KATOOKA MASAO;KAWASHIMA YOSHIMASA;ISHII HIDEO |
分类号 |
B22D23/00;(IPC1-7):B22D23/00 |
主分类号 |
B22D23/00 |
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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