Process for producing castings
US4694879A · kind A · utility
3Cited by
4References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 1, 1985 |
| Grant date | Sep 22, 1987 |
| Priority date | — |
| Expiry date | Oct 1, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C9/046
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for production of castings is provided employing patterns combining gasifiable pattern parts, for the creation of nonconforming contours, with reusable pattern parts. After molding, only the reusable pattern parts are removed from the mold, while the gasifiable pattern parts are destroyed during casting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.