Process for regenerating used foundry sand having high oolitic levels
US5526937A · kind A · utility
1Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 1994 |
| Grant date | Jun 18, 1996 |
| Priority date | — |
| Expiry date | Nov 30, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S241/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for regenerating used foundry sand having high oolitic level and, more particularly, a process as aforesaid wherein the used foundry sand is subjected to magnetic separation by one or more high power magnets for dividing the used foundry sand into a first highly magnetic stream containing a high degree of oolite particles and a second less magnetic stream having a relatively high degree of sand particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.