Dual pump colorant dispenser
US4027785A · kind A · utility
32Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1976 |
| Grant date | Jun 7, 1977 |
| Priority date | — |
| Expiry date | Apr 12, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F2101/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A colorant dispenser for the custom blending of paint has a canister with two measuring piston pumps of different capacities, all mounted on a base; and a single barrel valve in the base controls the flow of colorant to and from both pumps and the discharge of colorant from both pumps through a single exit port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.