| 发明名称 |
Use of CO2-soluble materials in making molds |
| 摘要 |
A structure of CO2-insoluble material has a three-dimensional object of CO2-soluble material positioned inside. The object is contacted with a fluid containing carbon dioxide which dissolves the object in the fluid. The fluid is then removed to form a cavity in the structure.
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| 申请公布号 |
US5860467(A) |
申请公布日期 |
1999.01.19 |
| 申请号 |
US19960753938 |
申请日期 |
1996.12.03 |
| 申请人 |
THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL;WAYNE STATE UNIVERSITY |
发明人 |
DESIMONE, JOSEPH M.;GULARI, ESIN;MANKE, JR., CHARLES |
| 分类号 |
B22C1/00;B22C1/20;B22C1/22;B22C3/00;(IPC1-7):B22C7/02;B22C9/04 |
主分类号 |
B22C1/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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