Moulds for investment casting, methods of making such moulds and use thereof
US11072022B2 · kind B2 · utility
0Cited by
2References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 8, 2016 |
| Grant date | Jul 27, 2021 |
| Priority date | — |
| Expiry date | Dec 5, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/5463
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to investment casting moulds comprising a furnace dust, wherein said furnace dust comprises ZrO2 and/or Al2O3. The present invention also relates to investment casting moulds comprising a metal oxide dust comprising ZrO2 and one or more materials selected from alumina, silica and aluminosilicate, and wherein said metal oxide dust has a d50 of 10 μm or less. The invention also relates to compositions for the production of investment casting moulds, the use of dusts in the formation of investment casting moulds, and the use of investment casting moulds of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.