Process for producing core for casting
US4605057A · kind A · utility
5Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 1983 |
| Grant date | Aug 12, 1986 |
| Priority date | — |
| Expiry date | Aug 4, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C1/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A mold for casting particularly a core, is produced by mixing refractory particles with colloidal alumina to give a slurry, filling said slurry in a pattern having water absorption properties, solidifying the slurry, followed by drying and firing. The resulting mold, particularly core, has high dimensional accuracy with no cracks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.