| 发明名称 |
PATTERN MATERIAL COMPOSITION |
| 摘要 |
<p>For use in making investment molds by the lost pattern process, a pattern material which is machinable and has the capability of being melted out of the molds without cracking them, the material consisting basically of a vinyl resin and at least one fatty acid ketone.</p> |
| 申请公布号 |
CA1082385(A) |
申请公布日期 |
1980.07.22 |
| 申请号 |
CA19770278434 |
申请日期 |
1977.05.12 |
| 申请人 |
PRECISION METALSMITHS, INC. |
发明人 |
HORTON, ROBERT A.;YAICHNER, ELLA M. |
| 分类号 |
B22C7/02;B22C9/04;(IPC1-7):22C7/02;08L23/08;08L91/06;08K5/09 |
主分类号 |
B22C7/02 |
| 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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