Method for firing a ceramic and refractory metal casting core
US7861766B2 · kind B2 · utility
22Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2006 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Sep 18, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C9/12
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In an investment casting process, a composite core is formed as a combination of ceramic casting core element and a non-ceramic casting core element. The core is heated in an oxidative atmosphere and then heated in a non-oxidative atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.