Abstract: A method for measuring a pressure dependent characteristic of a dispersion of a solid material in a fluid, comprising passing the fluid through a screen until a pad of the solid material is formed on the screen and, thereafter, measuring said characteristic, characterised in that the pressure on the screen side of the pad is maintained at a predetermined value, with respect to the pressure on the opposing side of the pad, during a measurement of the characteristic.
May 21, 1991
Date of Patent:
December 13, 1994
Paper Chemistry Consulting Laboratory, Inc.