Method of and apparatus for grain-size analysis
US4775991A · kind A · utility
9Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1986 |
| Grant date | Oct 4, 1988 |
| Priority date | — |
| Expiry date | Jun 4, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2015/045
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Particle size analysis is carried out in a cuvette traversed by a plurality of vertically spaced light curtains which, because of the spacing, allows precision mesurements to be obtained without problems arising from the scanning of a sedimentation cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.