Processes and devices for determining properties of bodily...

Details Processes and devices for determining properties of bodily... Processes and devices for determining properties of bodily...

G - Physics

01

N

73/81

G01N 19/00 (2006.01) A61B 10/00 (2006.01) G01N 11/00 (2006.01) G01N 33/483 (2006.01)

Patent

CA 1065646

PROCESSES AND DEVICES FOR DETERMINING PROPERTIES OF VISCOUS FLUIDS Abstract of the Disclosure A device for determining the rheological properties of a fluid comprises a pair of cooperating members, the working face of each member defining parallel discrete ridges or flutes, the outermost portions of which define ridge lines, the ridges of one member being crossed with respect to the ridges of the other member. A fluid sample is applied to the working face of one member and the working faces are pressed together so that the ridge lines of one member intersect the ridge lines of the other member at a matrix of points and so that volume increments of the fluid sample are defined. The contact surface area of the fluid sample with the substrate is sub- stantially greater than the surface area of the general interface between the working faces. The force required to separate the fluid at the general interface defines the rheological properties of the fluid with improved accuracy.

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