Rock aggregate core material washing and recycling
US4329184A · kind A · utility
2Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 20, 1980 |
| Grant date | May 11, 1982 |
| Priority date | — |
| Expiry date | Jun 20, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B17/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process and system for recovery and recycling of hard rock core forming aggregate used in the slip forming of elongated hollow-cored concrete planks using wash water to remove slurry and a rotating screen to remove the water from the aggregate with collection and conveying means for the aggregate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.