Apparatus for measuring grindability of powder material
US5133209A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Mar 8, 1991 |
| Grant date | Jul 28, 1992 |
| Priority date | — |
| Expiry date | Mar 8, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/222
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for measuring grindability of a powder material comprises a chute for feeding particles to be measured one at a time, a pair of opposed rolls arranged under the chute so as to receive the particle from the chute in a gap between the opposed rolls, one of the opposed rolls having a stationary shaft which is rotatably supported at a fixed position and the other roll having a movable roll shaft which is rotatably supported on the upper end of an L-shaped arm which is pivoted at the corner thereof to a frame, a rigid base opposed to the other end of the L-shaped arm, a device for adjusting the level of the rigid base, and a load cell interposed between the other end of the arm and the rigid base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.