Turbine mixer
US4655602A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1985 |
| Grant date | Apr 7, 1987 |
| Priority date | — |
| Expiry date | Dec 19, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F29/4033
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A mixer having a rotary drum which comprises a flexible member, an inner rotor with outstanding blades thereon, the flexible member, the inner rotor, and its blades all being of elastomeric material, the inner diameter of the flexible member being greater than the envelope diameter of the rotor blades, the mixer rotor being positionable within the flexible member with which its blades co-operate in the mixing of concrete, but being withdrawable therefrom for cleaning and maintenance purposes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.