Foundry mixture and related methods for casting and cleaning cast metal parts
US9963799B2 · kind B2 · utility
1Cited by
14References
7Claims
0Family size
Assignee
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Key dates
| Filing date | May 22, 2015 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Jul 15, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25F7/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A foundry mixture for making molds used for molding cast metal parts includes foundry sand, a non-aqueous binder, and a cleaning agent that includes calcium oxide. Residual foundry mixture remaining on the cast part after removal from the mold is removed by electrolytic cleaning of the cast part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.