Concrete mixer
US5839824A · kind A · utility
4Cited by
6References
18Claims
0Family size
Inventors
Key dates
| Filing date | Mar 11, 1996 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Mar 11, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28C5/1868
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A concrete mixer including a mixing shell and a void located therein for receiving material to form concrete. The concrete mixing mechanism having a first blade mechanism spatially orientated to have a pitch capable of moving at least a portion of the material in a first predetermined direction and a second blade mechanism spatially orientated to have a pitch capable of moving at least a portion of the material in a second predetermined direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.