发明名称 |
FOUNDRY SAND CASTING USING A FOUNDRY CORE WHICH SURFACE LAYER IS ESSENTIALLY FREE OF ANTI-VEINING AGENT |
摘要 |
<p>Described herein a method of manufacturing a metal shape that includes contacting a liquid metal and a surface of a foundry core under conditions wherein vein defects occur, the surface of the foundry core comprising a foundry aggregate, a combustible-organic material and a polyurethane resin, and the surface of the foundry core being free of or essentially free of an anti-veining agent; cooling the liquid metal to a temperature below its melting point thereby forming a metal shape; and then removing the foundry core from the metal shape.</p> |
申请公布号 |
WO2012161888(A1) |
申请公布日期 |
2012.11.29 |
申请号 |
WO2012US33861 |
申请日期 |
2012.04.17 |
申请人 |
AMCOL INTERNATIONAL CORPORATION;FUQUA, JOSEPH, M.;DI, JIANBO |
发明人 |
FUQUA, JOSEPH, M.;DI, JIANBO |
分类号 |
B22C1/02;B22C9/02 |
主分类号 |
B22C1/02 |
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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