Metering apparatus
US4277440A · kind A · utility
18Cited by
22References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1979 |
| Grant date | Jul 7, 1981 |
| Priority date | — |
| Expiry date | Jul 2, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L3/0206
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus is disclosed which is adapted to repeatedly and accurately dispense predetermined amounts of fluid, especially biological fluids, onto generally planar test elements. The apparatus comprises a metering pump actuated by an escapement mechanism which moves the pump in precise increments. The fluids are dispensed through a pair of metering tips which are spaced a given distance from the test element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.