Method of forming refractory coated foundry core
US5749409A · kind A · utility
4Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1995 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Dec 18, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C1/2293
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Refractory coated gelatin-bonded foundry sand core made by waterproofing the surface of the core and immersing the waterproofed core in an aqueous refractory suspension to deposit the refractory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.