Method of manufacturing a metal article by the lost wax casting process
US4811778A · kind A · utility
36Cited by
10References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1988 |
| Grant date | Mar 14, 1989 |
| Priority date | — |
| Expiry date | Apr 4, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49988
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The pins which are used for the support of a core in a lost wax casing process are provided with caps. The caps provide sufficient surface area for encapsulation by ceramic slurry. Heat loss from the metal melt via the pins is thus obviated along with undesirable grain nucleation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.