Investment casting cores and methods
US7779892B2 · kind B2 · utility
16Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 2007 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | Jan 8, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C9/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An investment casting core combination includes a metallic casting core and a ceramic feedcore. A first region of the metallic casting core is embedded in the ceramic feedcore. The metallic casting core includes a plurality of body sections. The first region is along at least some of the body sections. The metallic casting core includes a plurality of springs spanning gaps between adjacent body sections and unitarily formed therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.