Patent ID: 8701498

Claim:
A device for determining material properties, the device including: a first end; a second end; a bottom panel, extending from the first end to the second end, for supporting a material to be tested; a closed loop flexible wall arranged to extend upwardly from the bottom panel; a flexible wall idle means disposed towards the first end of the device; a flexible wall driving means disposed in spaced relation with the flexible wall idle means; the closed loop flexible wall being arranged in operational engagement with the flexible wall idle means and the flexible wall driving means so that movement of the flexible wall driving means causes movement of the closed loop flexible wall along a pre-determined closed loop path; means to drive the flexible wall driving means; and means for measuring one or more properties of the material to be tested; wherein the bottom panel and the closed loop flexible wall together form a material containment area therewithin, and wherein the flexible wall idle means, the flexible wall driving means and the means for driving the flexible wall driving means are each arranged at a position outside of the material containment area.