Measuring and testing – By abrasion – milling – rubbing – or scuffing
Patent
1979-07-26
1981-07-07
Goldberg, Gerald
Measuring and testing
By abrasion, milling, rubbing, or scuffing
G01N 356
Patent
active
042767679
ABSTRACT:
This invention relates to a method and apparatus for determining the erosion potential of particulate material such as that contained in a mine dump or erosive farmland. The method consists in directing a jet of fluid such as water or air onto the surface of the material from a fixed distance at a fixed pressure or range of pressures and measuring the parameters of the jet against a scale when the jet produces a predetermined effect on the material under test. The apparatus includes a portable accumulator for holding the fluid under pressure, a nozzle through which the fluid may be discharged from the accumulator, means between the accumulator and nozzle for adjusting fluid flow between the two and a portable and adjustable frame such as a tripod on which the apparatus is mounted.
REFERENCES:
patent: 2712751 (1955-07-01), Bracco et al.
patent: 2907200 (1959-10-01), Roberts et al.
patent: 3229498 (1966-01-01), Oakes
Houston, J. T. A Sandblast Abrasion Test . . . , In materials Research & Standards, pp. 17-20 & 42, Aug. 1970, vol. 10 (8).
Goldberg Gerald
Roskos Joseph W.
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