| 发明名称 |
METHOD AND APPARATUS FOR MAKING A SAND CORE WITH AN IMPROVED HARDENING RATE |
| 摘要 |
The present invention relates to a method and apparatus for making a sand mold (112) utilizing reverse purge air through a core box (100 and 100') to harden the binder in the sand mold (112) proximate the ejection pins (106 and 106'). The sand mold (112) may be removed from the core box (100 and 100') prior to drying the binder completely.
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| 申请公布号 |
WO03080272(A1) |
申请公布日期 |
2003.10.02 |
| 申请号 |
WO2002US39110 |
申请日期 |
2002.12.06 |
| 申请人 |
HORMEL FOODS CORPORATION |
发明人 |
HERREID, RICHARD, M.;YUNOVICH, YULIY, M.;EASTMAN, JEREMY, D. |
| 分类号 |
B22C9/12;B22C15/24;(IPC1-7):B22C9/12;B22C9/10 |
主分类号 |
B22C9/12 |
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