发明授权
- 专利标题: Resin-coated sand mixes for shell molding
- 专利标题(中): 用于壳模的树脂涂层混合物
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申请号: US3668160D申请日: 1969-04-21
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公开(公告)号: US3668160A公开(公告)日: 1972-06-06
- 发明人: HORTON ROBERT A , COGHILL TIMOTHY L
- 申请人: PRECISION METALSMITHS INC
- 专利权人: Precision Metalsmiths Inc
- 当前专利权人: Precision Metalsmiths Inc
- 优先权: US81811869 1969-04-21
- 主分类号: B22C1/16
- IPC分类号: B22C1/16 ; B22C1/22 ; B22C1/24 ; C08G5/20 ; C08G51/72
摘要:
For use in resin-shell molding, a resin-coated sand mix containing a small percentage of a non-volatile, oily, organic liquid suitable to alleviate the condition of peel-back.