Investment casting cores
US6929054B2 · kind B2 · utility
83Cited by
9References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2003 |
| Grant date | Aug 16, 2005 |
| Priority date | — |
| Expiry date | Dec 19, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C21/14
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A sacrificial core for forming an interior space of a part includes a ceramic core element and a first core element including a refractory metal element. The ceramic core element may be molded over the first core element or molded with assembly features permitting assembly with the first core element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.