发明授权
- 专利标题: Process for preparing cores and molds
- 专利标题(中): 制备核心和模具的工艺
-
申请号: US512252申请日: 1983-07-11
-
公开(公告)号: US4445565A公开(公告)日: 1984-05-01
- 发明人: Charles E. Seeney , John F. Kraemer
- 申请人: Charles E. Seeney , John F. Kraemer
- 申请人地址: IN Terre Haute
- 专利权人: International Minerals & Chemical Corp.
- 当前专利权人: International Minerals & Chemical Corp.
- 当前专利权人地址: IN Terre Haute
- 主分类号: B22C1/18
- IPC分类号: B22C1/18
摘要:
A combination binder and hardener therefor for a foundry aggregate wherein a linear metal polyphosphate or ammonium polyphosphate is used as the binder, the hardener is a mixture of phosphoric acid and a source of polyvalent metal cations.
信息查询