Large scale concrete conveyance techniques
US4846580A · kind A · utility
30Cited by
19References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 1987 |
| Grant date | Jul 11, 1989 |
| Priority date | — |
| Expiry date | Mar 20, 2007 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G21/0409
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The disclosure describes a method and apparatus for continuous mixing, transporting and placing of large quantities of concrete in which aggregate transported on a belt conveyor is mixed with metered quantities of cement and water adjacent a place of pouring. Alternatively, mixed concrete is transported to a place of pouring protected from the elements on a belt conveyor covered by a tunnel that confines cooled air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.