Closed transfer means
US5191919A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1991 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | Oct 18, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87249
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A closed transfer apparatus for transferring liquid from a container to a dilution tank in measured volume includes an actuator moveable to a first position that energizes an electric pump to pump liquid from the container into a transfer tank and moveable to a second position which energizes the pump to pump liquid from the transfer tank to the dilution tank; the actuator being biased to a center position in which the electric pump is de-energized and the tanks and the container are all isolated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.