Investment casting core methods
US7270170B2 · kind B2 · utility
48Cited by
12References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2004 |
| Grant date | Sep 18, 2007 |
| Priority date | — |
| Expiry date | Nov 28, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C21/14
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A sacrificial core is used for forming an interior space of a part and 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.