Apparatus for mixing and dispensing powder
US6966688B2 · kind B2 · utility
10Cited by
30References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 23, 2005 |
| Grant date | Nov 22, 2005 |
| Priority date | — |
| Expiry date | Feb 23, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B7/2443
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus and method for mixing and dispensing a powder material in an aqueous solution wherein the powder material is premixed into solution by a spreader. The premix solution is subsequently dispensed in a diluted aqueous stream by a venturi proportioner. In a preferred manner a hopper is provided for the powder material which is partially positioned in a mixing chamber. A valve and spreader are positioned at the base of the hopper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.