Handling and cooling foundry sand
US4106112A · kind A · utility
4Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 9, 1977 |
| Grant date | Aug 8, 1978 |
| Priority date | — |
| Expiry date | May 9, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S198/952
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process and an apparatus for cooling and handling sand in which hot used sand is delivered to a mixer and mixed with cooler sand. The mixed sand is discharged from the mixer for circulation on conveyor means for further cooling and the cooled sand is separated into a first fraction for discharge to successive milling and moulding stages and a second fraction for return to the mixer to effect sand mixing with the hot used sand. Water may be added to the mixed sand in the mixer to adjust the moisture content and to increase cooling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.