Process and apparatus for metering liquid colorant
US4585148A · kind A · utility
49Cited by
10References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 1, 1984 |
| Grant date | Apr 29, 1986 |
| Priority date | — |
| Expiry date | Feb 1, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F2101/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Process and apparatus for metering liquid colorant from a primary color reservoir having a valve for controlling the liquid flow into a collecting container. The process comprises the steps of disposing the valve into required position, operating a drive member to open and close the valve, permitting the liquid colorant to flow into the container, preparing three stages of successive metering controls, and automatically metering the liquid colorant through one or more stages. The apparatus comprises a plurality of reservoir bases, tilting device, operating member of the valve and balance for measuring the weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.