Ceramic casting core and method
US7093645B2 · kind B2 · utility
26Cited by
18References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2004 |
| Grant date | Aug 22, 2006 |
| Priority date | — |
| Expiry date | Dec 20, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05B2230/21
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A ceramic core for use in casting an article such as for example an airfoil, wherein the ceramic core has a pocket located at or near a region of the core that is otherwise associated with occurrence of a localized casting defect in the cast article. A covering is disposed on the core to cover the pocket and provide core outer surface features.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.